Network Codes

The following network codes are assigned by the FDSN to facilitate unique identifiers for seismological data streams.

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Network Code	Network Name	Operated By	Deployment	DOI
A	Generic Asian Strong Motion Network	—	Asia	—
A0	Armenian National Seismic Network	Armenian National Survey for Seismic Protection (NSSP), Armenia		DOI
A1	Southern African Co-located Academic Network	Pangaea Geophyics and Geodesy Working Group, South Africa	South Africa	—
A2	Armenian Seismological Network	Institute Of Geological Sciences, NAS, RA (IGS), Armenia		DOI
A7	Angola National Seismic Network	Instituto Nacional de Meteorologia e Geofisica (INAMET), Angola		—
AA	Anchorage Strong Motion Network	University of Alaska, Fairbanks (UAF), United States of America	United States of America	—
AB	National Seismic Network of Azerbaijan	Republic Center of Seismic Survey/Acad. of Sciences of Azerbaijan, Azerbaijan		—
AC	Albanian Seismological Network	Institute of GeoSciences, Polytechnic University of Tirana (IGEO PUT), Albania		DOI
AD	ACROSS Strong Motion Network	Central Asian Institute for Applied Geosciences, Kyrgyzstan		DOI
AE	Arizona Broadband Seismic Network	Arizona Geological Survey, United States of America		DOI
AF	AfricaArray	Penn State University, United States of America		DOI
AG	Arkansas Seismic Network	Arkansas Geological Survey (AGS), United States of America		—
AH	Arkhangelsk Seismic Network	N. Laverov Federal Center for Integrated Arctic Research (FCIARctic), Russian Federation		DOI
AI	Antarctic Seismographic Argentinean Italian Network - ASAIN	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy		DOI
AK	Alaska Geophysical Network	Alaska Earthquake Center, Univ. of Alaska Fairbanks (AEC), United States of America		DOI
AL	Alaskan Long Period Array	University of Alaska, Fairbanks (UAF), United States of America		—
AM	Raspberry Shake	Raspberry Shake, S.A., Panama		DOI
AN	Altay-Sayan Regional Seismic Network of the Russian Federation	Altay-Sayan Branch of the Geophysical Survey of the Russian Academy of Sciences		DOI
AO	Arkansas Seismic Observatory	University of Arkansas at Little Rock (UALR), United States of America		—
AP	APS Free Field Array	AP (APS), United States of America		DOI
AQ	Central Queensland Seismic Network	Central Queensland Seismology Research Group (CQSRG), Australia		DOI
AR	Northern Arizona Network	Northern Arizona University (NAU), United States of America		—
AS	Modified High Gain Long Period Observatory	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
AT	National Tsunami Warning Center Alaska Seismic Network	National Oceanic and Atmospheric Administration (NOAA), United States of America		DOI
AU	Australian National Seismograph Network	Geoscience Australia (GA), Australia		DOI
AV	Alaska Volcano Observatory	Alaska Volcano Observatory/USGS (AVO/USGS), United States of America		DOI
AW	AWI Network Antarctica	Alfred Wegener Institute for Polar and Marine Research, Germany		DOI
AX	Meteo Aruba	Departamento Meterologico Aruba, Aruba		—
AY	Haitian Seismic Network	Bureau of Mines and Energy, Haiti		—
AZ	ANZA Regional Network	University of California, San Diego (UCSD), United States of America		DOI
B1	Buryat Regional Seismic Network of the Russian Federation	Buryat Branch of the Geophysical Survey of the Russian Academy of Sciences	—	DOI
B2	Itaipu Binacional	Itaipu Binacional (Itaipu), Brazil	Brazil	DOI
B3	BC Hydro	—	—	—
B6	Bransfield Strait Seismic Network	Instituto Andaluz de Geofisica Universidad de Granada (UGR), Spain		DOI
BA	UniBAS	Universita della Basilicata, Italy		—
BB	Brunei Darussalam National Seismic Network	National Seismic Center of Brunei, Brunei	Brunei	—
BC	Red Sísmica del Noroeste de México	Centro de Investigación Científica y de Educación Superior de Ensenada (CICESE), Mexico		DOI
BD	Bakun Dam Micro-Seismic Monitoring Network	Kinemetrics, United States of America	United States of America	—
BE	Belgian Seismic Network	Royal Observatory of Belgium, Belgium		DOI
BF	Black Forest Observatory	Universities of Karlsruhe and Stuttgart, Germany		—
BG	Berkeley Geysers Network	UC Berkeley, United States of America		—
BH	Bay Area Urban Hazards	U.S. Geological Survey, United States of America	United States of America	—
BI	University of Dhaka Seismographic Network	University of Dhaka, Bangladesh		—
BJ	Baikal Regional Seismic Network of the Russian Federation	Baikal Branch of the Geophysical Survey of the Russian Academy of Sciences	—	DOI
BK	Berkeley Digital Seismograph Network	UC Berkeley, United States of America		DOI
BL	Brazilian Lithospheric Seismic Project	Universidade de Sao Paulo, USP, Brazil		—
BM	BRGM seismometer Network	Bureau de Recherches Géologiques et Minières (BRGM), France	—	—
BN	UK-Net, Blacknest Array	Blacknest (AWE), United Kingdom		DOI
BO	Bosai-Ken Network	National Research Institute for Earth Science and Disaster Prevention (NEID), Japan	Japan	—
BP	Berkeley Parkfield High Resolution Seismic Network	UC Berkeley, United States of America		DOI
BQ	Bensberg Earthquake Network	University of Cologne, Germany		DOI
BR	University of Brasilia Seismic Network	University of Brasilia, Brazil		—
BS	National Seismic Network of Bulgaria	National Institute of Geophysics, Geodesy and Geography - BAS (NIGGG - BAS), Bulgaria		DOI
BT	Red Sismológica de la Sabana de Bogotá	Universidad Nacional de Colombia (UN-Colombia), Colombia	Colombia	—
BU	Boise State University Seismic Network	Boise State University, United States of America	United States of America	—
BV	Bolivian Seismic Network	Observatorio San Calixto (OSC), Bolivia		DOI
BW	BayernNetz	Department of Earth and Environmental Sciences, Geophysical Observatory, University of Munchen, Germany		DOI
BX	Botswana Seismological Network	Botswana Geoscience Institute (BGI), Botswana		DOI
BY	Seismic Network of Belarus	The Centre of Geophysical Monitoring of the National Academy of Sciences of Belarus, Belarus	Belarus	DOI
BZ	ZIMBABWE SEISMIC NETWORK	METEOROLOGICAL SERVICES DEPARTMENT,GOETZ OBSERVATORY (MSD), Zimbabwe	Zimbabwe	DOI
C	Chilean National Seismic Network	Universidad de Chile, Dept de Geofisica (DGF), Chile		—
C0	Colorado Geological Survey Seismic Network	Colorado Geological Survey (CGS), United States of America		DOI
C1	Red Sismologica Nacional	Universidad de Chile (UCH), Chile		DOI
C2	Canadian National Geomagnetic Network	Natural Resources Canada (NRCAN), Canada	Canada	—
C3	Central and East European Earthquake Research Network	Central and East European Earthquake Research Network (CE3RN), Austria		DOI
C4	CERN Seismic Network	European Organization for Nuclear Research (CERN), Multiple Countries		DOI
C5	University of Cambridge seismology	University of Cambridge Earth Sciences, United Kingdom	United Kingdom	DOI
C7	Red Sísmica Canaria	Instituto Volcanológico de Canarias (INVOLCAN), Spain		DOI
C8	Canadian Seismic Research Network	Natural Resources Canada (NRCAN), Canada		—
C9	Czech Microbarograph Network	Institute of Atmospheric Physics of the Czech Academy of Sciences	Czechia	DOI
CA	Catalan Seismic Network	Institut Cartogràfic i Geològic de Catalunya (ICGC), Spain		DOI
CB	China National Seismic Network, Data Management Centre of China National Seismic Network at Institute of Geophysics, CEA	Institute of Geophysics China Earthquake Administration (IGPCEA), China		DOI
CC	Cascade Chain Volcano Monitoring	Cascades Volcano Observatory (CVO), United States of America		DOI
CD	China Digital Seismograph Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
CE	California Strong Motion Instrumentation Program	California Geological Survey (CGS), United States of America		DOI
CF	Red Acelerografica Nacional de la Comision Federal de Electricidad (CFE)	Comision Federal de Electricidad (CFE), Mexico	Mexico	—
CG	Coso Microearthquake Network	Geothermal Program Office/US Navy, United States of America	United States of America	—
CH	Switzerland Seismological Network	Swiss Seismological Service, Switzerland		DOI
CI	Southern California Seismic Network	California Institute of Technology and United States Geological Survey Pasadena (Caltech and USGS), United States of America		DOI
CJ	Community Seismic Network	California Institute of Technology (CIT), United States of America		DOI
CK	CAREMON Central Asian Cross-border network	GEOFON Program (GFZ-Potsdam, Germany), Germany		—
CL	Corinth Riff Laboratory	Institut de Sciences de l'Univers (CNRS-INSU), France		DOI
CM	Red Sismológica Nacional de Colombia	Servicio Geológico Colombiano (SGC), Colombia		DOI
CN	Canadian National Seismograph Network	Natural Resources Canada (NRCAN), Canada		DOI
CO	South Carolina Seismic Network	University of South Carolina, United States of America		DOI
CP	CIVISA Seismo-Volcanic Monitoring Network-Azores Islands	Centro de Informação e Vigilância Sismovulcânica dos Açores (CIVISA), Portugal University of Azores, Portugal		—
CQ	Cyprus Broadband Seismological Network	Geological Survey Department Cyprus, Cyprus		DOI
CR	Croatian Seismograph Network	University of Zagreb, Croatia		DOI
CS	Caucusus Array	Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America		—
CT	California Transect Network	UC Santa Cruz, United States of America		—
CU	Caribbean Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
CV	Vigil Network, Cape Verde Islands	Instituto Superior Tecnico, Universidade Tecnica de Lisboa (IST), Portugal		—
CW	Servicio Sismologico Nacional de Cuba	National Centre for Seismological Research (CENAIS), Cuba		DOI
CX	Plate Boundary Observatory Network Northern Chile	GEOFON Program (GFZ-Potsdam, Germany), Germany		DOI
CY	Cayman Islands	Cayman Islands Government, Cayman Islands		—
CZ	Czech Regional Seismic Network	Charles University in Prague, Czechia Institute of Geonics (IGN), Czechia Institute of Geophysics, Academy of Sciences of the Czech Republic, Czechia Institute of Physics of the Earth Masaryk University, Czechia Institute of Rock Structure and Mechanics (IRSM AS CR), Czechia		DOI
D	Algerian Near Field Tsunami Seismic Network	University of Sciences and Technology Houari Boumediene (USTHB), Algeria	—	DOI
D0	Kamchatka Regional Seismic Network of the Russian Federation	Kamchatka Branch of the Geophysical Survey of the Russian Academy of Sciences		DOI
D1	IPE_EDU	Institute of Physics of the Earth Masaryk University, Czechia		DOI
DA	Dagestan Regional Seismic Network of the Russian Federation	Geophysical Survey of the Russian Academy of Sciences (GSRAS), Russian Federation	—	DOI
DC	CHIS Experimental Deployments Network	Natural Resources Canada (NRCAN), Canada	Canada	—
DE	Nanometrics Research Network	Nanometrics Seismological Instruments, Canada		—
DG	Dam Gallery	Kurichhu Hydropower Plant (KHP), Bhutan	Bhutan	DOI
DH	DOHAD	Research Association on Planateral Acitivities of Nature (DOHAD), Türkiye	Türkiye	—
DJ	Observatoire Géophysique d'Arta	Observatoire Géophysique d'Arta (OGA), Djibouti	Djibouti	DOI
DK	Danish Seismological Network	GEUS Geological Survey of Denmark and Greenland, Denmark		—
DL	DLR/ESA LUNA Facility Seismic Network	German Aerospace Center (DLR), Germany	—	DOI
DM	Dominica Public Seismic Network	Public Seismic Network, Dominica		DOI
DN	Dubai Seismological Network	Dubai Municipality, United Arab Emirates	United Arab Emirates	—
DO	Dense Oceanfloor Network System for Earthquakes & Tsunamis	Japan Marine Science and Technology Center (JAMSTEC), Japan	Japan	—
DR	Centro Nacional de Sismologia	National Seismological Centre (NSC), Nepal		DOI
DS	CGS National broadband Seismic Network	National Earthquake Engineering Research Center (CGS), Algeria		DOI
DT	Carnegie Analog Broadband Seismograph Network	Carnegie Institute of Washington / Science (DTM CIW), United States of America		DOI
DU	Seismological Association of Australia	Seismological Association of Australia Inc. (SAA), Australia		DOI
DW	Digital World-Wide Standardized Seismograph Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
DZ	REALSAS	Research Center of Astronomy, Astrophysics & Geophysics (CRAAG), Algeria		—
E	Rete ENEA	Agenzia Nazionale per le Nuove Technolgie (ENEA), Italy	Italy	—
EA	IRIS Education and Research Network	IRIS HQ, United States of America	United States of America	—
EB	Ebre Observatory Regional Seismic Network	Observatori de l'Ebre, Tarragona, Spain		DOI
EC	Ecuador Seismic Network	Instituto Geofisico Escuela Politecnica Nacional (IG-EPN), Ecuador		—
ED	Educational Seismological Network	GeoAzur, France	France	—
EE	Estonian Seismic Network	Geological Survey of Estonia (GSE), Estonia		—
EF	Réseau Accélérométrique National	Electricity of France (EDF), France		DOI
EG	EUROSEISTEST Strong Motion Network	Aristotle University of Thessaloniki, Greece		DOI
EH	Ethiopian Seismic Network	Addis Ababa University, Ethiopia		DOI
EI	Irish National Seismic Network	Dublin Institute for Advanced Studies, Ireland		DOI
EK	Red Vasca de Sismicidad	Ente Vasco de la Energia (EVE), Spain		DOI
EL	Enel Networks monitoring microsismic of Italian geothermal areas	Enel (Italy), Italy	—	DOI
EM	Electromagnetic Studies of the Continents	University of California, Riverside (UCR), United States of America University of Utah, United States of America University of Washington, United States of America		DOI
EN	CalEnergy Subnetwork	USGS Caltech, Pasadena, United States of America		—
EO	EON-ROSE	University of Calgary, Canada		DOI
EP	UTEP Seismic Network	University of Texas at El Paso (UTEP), United States of America		—
EQ	Nevada Educational Seismic Network	University of Nevada Reno (UNR), United States of America	United States of America	—
ER	Mount Erebus Volcano Observatory Seismic Network	EarthScope Consortium, United States of America		DOI
ES	Spanish Digital Seismic Network	Instituto Geografico Nacional, Spain, Spain		DOI
ET	CERI Southern Appalachian Seismic Network	University of Memphis, CERI, United States of America		—
EU	Generic European Strong Motion Network	—	Europe	—
EV	Collalto Seismic Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy	—	DOI
EW	ShakeAlert - Earthquake Early Warning System	U.S. Geological Survey, United States of America	California	—
EX	EXTREMA Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	Italy	—
EY	Egyptian national seismological network	National Research Institute of Astronomy and Geophysics (NRIAG), Egypt		DOI
FA	UCLA Seismic Network	UC Los Angeles (UCLA), United States of America		—
FB	Seismic Network of Federation of Bosnia and Herzegovina	Federal Hydrometeorological Institute, Bosnia and Herzegovina	Bosnia and Herzegovina	—
FC	Generic African Strong Motion Network	—	Africa	—
FG	Fallon Microearthquake Network	Geothermal Program Office/US Navy, United States of America	United States of America	—
FI	Seismo-acoustic Network of the University of Florence	University of Florence, Italy	—	—
FM	Formosa Array	Academia Sinica, Institute of Earth Sciences (IESAS), Taiwan		DOI
FN	Northern Finland Seismological Network	Sodankyla Geophysical Observatory / University of Oulu, Finland		—
FO	French Associated Seismological Network	French Seismologic and Geodetic Network (RESIF), France	France	—
FP	French Polynesia Seismic Network	Laboratoire De Geophysique (LDG), French Polynesia	—	—
FR	RESIF and other broad-band and accelerometric permanent networks in metropolitan France	Reseau sismologique et géodésique français (RESIF), France		DOI
FS	CEA seismic network of south-eastern France	Commissariat a l`Energie Atomique (CEA France), France	—	DOI
FV	Friuli and Veneto Short Period Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy		DOI
G	GEOSCOPE - French Global Network of Seismological Broadband Stations	Ecole et Observatoire des Sciences de la Terre (EOST), France Institut de Physique du Globe de Paris (IPGP), France Observatoire Geoscope, France		DOI
G1	GEOTEM	GEOTEM (GEOTEM), Mexico		—
G2	GEOBEST Switzerland	Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland	—	DOI
G3	Servicio Sismologico IN3, UMG	Servicio Sismologico IN3 (SSIN3), Guatemala	Guatemala, Centro America	DOI
GA	GARNET Seismic Network	Geological Survey of Japan (GSJ AIST), Japan	Japan	—
GB	Great Britain Seismograph Network	British Geological Survey, United Kingdom		DOI
GC	UCLA Geonet Network	UC Los Angeles (UCLA), United States of America	United States of America	—
GD	Global Positioning System (GPS) Displacement Measurements	None,		—
GE	GEOFON	GEOFON Program (GFZ-Potsdam, Germany), Germany		DOI
GF	Geophysical borehole Observatory at the North Anatolian Fault	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		—
GG	Greenland Ice Sheet Monitoring Network	IRIS HQ, United States of America		DOI
GH	Ghana Digital Seismic Network	Ghana Geological Survey, Ghana		DOI
GI	Red Sismologica Nacional	Instituto Nacional de Sismologia, Vulcanologia, Meteorologia e Hidrologia (INSIVUMEH), Guatemala		DOI
GL	Guadeloupe Seismic and Volcano Observatory Network	Institut de Physique du Globe de Paris (IPGP), France		DOI
GM	U.S. Geological Survey Networks	U.S. Geological Survey, United States of America		DOI
GN	Garni Dense Array	USGS Menlo Park, United States of America	Armenia	—
GO	National Seismic Network of Georgia	Ilia State University- Seismic Monitoring Centre of Georgia, Georgia		DOI
GP	GPS Data Products for Solid Earth Science	California Institute of Technology (CIT), United States of America	United States of America	—
GQ	German Strong Earthquake Network	Federal Institute for Geosciences and Natural Resources (BGR), Germany		—
GR	German Regional Seismic Network	Federal Institute for Geosciences and Natural Resources (BGR), Germany		DOI
GS	US Geological Survey Networks	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
GT	Global Telemetered Seismograph Network (USAF/USGS)	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
GU	Regional Seismic Network of North Western Italy	University of Genoa (UniGe), Italy		DOI
GV	Mobile RSNI	University of Genoa (UniGe), Italy	—	DOI
GX	GFZ Affiliated Stations	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		—
GY	Geyokcha Array, Turkmenistan	University of California, San Diego (UCSD), United States of America		DOI
GZ	ANKARA-NET	Gazi University, Earthquake Engineering Implementation and Research Center, Türkiye	Türkiye	—
H2	Hawaii 2 Observatory	University of Hawaii (UH), United States of America		—
HA	Hellenic Seismological Network, University of Athens, Seismological Laboratory	University of Athens, Greece		DOI
HC	Seismological Network of Crete	Technological Educational Institute of Crete, Greece		DOI
HE	Finnish National Seismic Network	University of Helsinki, Finland		DOI
HF	Swedish Seismic Array Network	Swedish Defence Research Agency (FOI), Sweden		—
HG	High-Gain Long-Period Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
HI	ITSAK Strong Motion Network	Institute of Engineering Seimology Earthquake Engineering (ITSAK), Greece		DOI
HK	Hong Kong Seismograph Network	Hong Kong Observatory, China		—
HL	National Observatory of Athens Seismic Network	National Observatory of Athens, Institute of Geodynamics, Athens, Greece		DOI
HM	GeoRisk Seismic Network	GeoRisk Earthquake Engineering, Hungary		DOI
HN	Hungarian National Infrasound Network	Institute of Earth Physics and Space Science, Hungary		DOI
HP	University of Patras, Seismological Laboratory	University of Patras, Greece		DOI
HR	Croatian Research Seismic Network	University of Zagreb, Croatia	—	—
HS	Hessischer Erdbebendienst	Hessian Agency for Nature Conservation, Environment and Geology (HLNUG), Germany	Germany	DOI
HT	Aristotle University of Thessaloniki Seismological Network	Aristotle University of Thessaloniki, Greece		DOI
HU	Hungarian National Seismological Network	Institute of Earth Physics and Space Science, Hungary		DOI
HV	Hawaiian Volcano Observatory Network	USGS Hawaiian Volcano Observatory (HVO), United States of America		DOI
HW	Hanford Washington Seismic Network	Pacific Northwest National Laboratory (PNL), United States of America		—
HY	UEH Seismic Network	Université d'Etat d'Haiti (UEH), Haiti	—	DOI
HZ	Hasting Micro-Seismic Consulting	Private Consulting Service (HMSC), United States of America	—	DOI
I0	The Scientific Induced Seismicity Monitoring Network	Alberta Geological Survey (AGS), Canada	—	—
I1	Iranian Strong Motion Network	Road, Housing & Urban Development Research Center (BHRC), Iran	Iran	DOI
I2	Iranian National Broadband Seismic Network	International Institute of Earthquake Engineering and Seismology (IIEES), Iran	Iran	—
IA	InaTEWS Indonesia Tsunami Early Warning System	Yogyakarta State University (UNY), Indonesia		—
IB	IberArray	Institute Earth Sciences "Jaume Almera" (ICTJA), Spain		DOI
IC	New China Digital Seismograph Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
ID	Project IDA VLP Seismometer Network - UCSD/SIO/IGPP	Scripps Institution of Oceanography (SIO), United States of America		DOI
IE	INL Seismic Monitoring Program	Idaho National Laboratory (INL), United States of America		DOI
IF	IFMS Seismic Network	IFMS, Brazil		DOI
IG	Southern Spain Broadband Seismic Network	Instituto Andaluz de Geofisica, Granada University, Spain	Spain	—
IH	Red Sismica Dominicana del INDRHI	Instituto Nacional de Recursos Hidraulicos, Dominican Republic	Dominican Republic	—
II	Global Seismograph Network - IRIS/IDA	Scripps Institution of Oceanography (SIO), United States of America		DOI
IJ	Istanbul University Seismic Network	Kandilli Observatory And Earthquake Research Institute, Boğaziçi University (KOERI), Türkiye		DOI
IK	IISERK Seismic Network	Indian Institute of Science Education and Research Kolkata (IISER), India	India	DOI
IL	Iranian Long Period Array	Institute of Geophysics, University of Tehran, Iranian Seis Center, Iran		—
IM	International Miscellaneous Stations	Various Institutions, Multiple Countries		DOI
IN	National Seismic Network of India	India Meteorological Department, India		—
IO	International OGS Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy		DOI
IP	Instituto Superior Tecnico Broadband Seismic Network	Instituto Superior Tecnico, Universidade Tecnica de Lisboa (IST), Portugal		—
IQ	Inquique Local Network	University of Kiel, Germany		DOI
IR	International Registry	International Seismological Centre (ISC), United Kingdom	United Kingdom	—
IS	Israel National Seismic Network	Geophysical Institute of Israel (GII), Israel		—
IT	Italian Strong Motion Network	Presidency of Counsil of Ministers - Civil Protection Department (PCM - DPC), Italy		DOI
IU	Global Seismograph Network (GSN - IRIS/USGS)	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
IV	Italian National Seismic Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy		DOI
IW	Intermountain West Seismic Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
IX	Irpinia Seismic Network	—		—
IY	Rete Sismica Unical	Universita Della Calabria, Italy, Italy		DOI
IZ	Italian Experimental Seismic Network	Other	—	—
JA	Red Sísmica y Acelerométrica de Jalisco	Universidad De Guadalajara (UDG), Mexico	Mexico	—
JI	Jorhat India Seismic Network	North East Institute of Science and Technology, Jorhat (NEIST), India	India	—
JM	Jamaica Seismograph Network	University of the West Indies - Mona, Jamaica		—
JP	Japan Meteorological Agency Seismic Network	Japan Meteorological Agency (JMA), Japan		—
JS	Jordan Seismic Network	Jordan Seismo Obs & Geo Studies / Natural Resources Authority (NRA), Jordan		—
K0	Kola Regional Seismic Network of the Russian Federation	Kola Branch of the Geophysical Survey of the Russian Academy of Sciences	—	DOI
K5	Bhutan Seismic Network	Department of Geology & Mines, MoEA (DGM), Bhutan		DOI
KA	Karthala Volcano Monitoring Network	Institut de Physique du Globe de Paris (IPGP), France	Comoros	—
KB	Karlsruhe BroadBand Array	Karlsruhe Institute of Technology (KIT GPI), Germany	Global	—
KC	Central Asian Seismic Network of CAIAG	Central Asian Institute for Applied Geosciences, Kyrgyzstan		DOI
KD	Decentralized onsite earthquake early warning network Bishkek (Kyrgyzstan)	Central Asian Institute for Applied Geosciences, Kyrgyzstan		DOI
KE	Univerity of Nairobi, Kenya	University of Nairobi, Kenya		DOI
KF	ARGONET	Atomic Energy and Alternative Energies Commission (CEA), France Institute of Engineering Seimology Earthquake Engineering (ITSAK), Greece Ionian University, Greece University of Patras, Greece	—	DOI
KG	Korean Seismic Network - KIGAM	Korean Institute of Geology, Mining and Materials (KIGAM), Korea, South		—
KI	Kandilli Observatory Strong Motion Network	Kandilli Observatory And Earthquake Research Institute, Boğaziçi University (KOERI), Türkiye	Türkiye	—
KK	Ọbáfémi Awólówò University Digital Seismograph Network	Geology Department, Ọbáfémi Awólówò University, Ilé-Ifè, Osun State, Nigeria, Nigeria	Nigeria	—
KL	Karmadon Parametric Range	Geophysical Institute of Vladikavkaz Scientific Centre of the Russian Academy of Sciences (GPI VSC RAS), Russian Federation	—	DOI
KM	Kansas Seismic Monitoring Network	Kansas Geological Survey, United States of America	United States of America	—
KN	Kyrgyz Seismic Telemetry Network	Kyrgyz Institute of Seismology, IVTAN/KIS , Kyrgyzstan University of California, San Diego (UCSD), United States of America		DOI
KO	Kandilli Observatory And Earthquake Research Institute (KOERI)	Kandilli Observatory And Earthquake Research Institute, Boğaziçi University (KOERI), Türkiye		DOI
KP	Korea Polar Observation Network	Korea Polar Research Institute (KOPRI), Korea, South		DOI
KQ	Kiel University Earthquake Monitoring	Christian Albrechts - Universitat zu Kiel, Germany	Northern Germany	DOI
KR	Kyrgyz Digital Network	Kyrgyz Institute of Seismology, KIS (KIS), Kyrgyzstan		DOI
KS	Korea National Seismography Network (KNSN-KMA)	Korea Meteorological Administration, Seoul, Korea, South		—
KT	KROTONE SEISMIC NETWORK	Eni spa, Italy		DOI
KU	King Saud University Network	King Saud University, Saudi Arabia	Saudi Arabia	—
KV	Kivu Seismological Network	European Center for Geodynamics and Sesimology (ECGS), Luxembourg		DOI
KW	Kuwait National Seismic Network	Kuwait Institute for Scienctific Research (KISR), Kuwait		—
KX	Kinemetrics Experimental Network	Kinemetrics, United States of America	Aliso Canyon Vault, Acton, CA	DOI
KY	Kentucky Seismic and Strong Motion Network	Kentucky Geological Survey/Univ. of Kentucky, United States of America		DOI
KZ	Kazakhstan Network	Institute of Geophysical Research (KNDC), Kazakhstan		DOI
LA	Los Angeles Basin Seismic Network	University of Southern California (USC), United States of America		—
LB	Leo Brady Network	Sandia National Laboratories, United States of America		—
LC	LSC (Laboratorio Subterraneo Canfranc)	Laboratorio Subterraneo de Canfranc (LSC), Spain		DOI
LD	Lamont-Doherty Cooperative Seismographic Network	Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America		DOI
LE	Erdbebendienst Südwest	Landeserdbebendienst Baden-Württemberg, Landesamt für Geologie, Rohstoffe und Bergbau, Regierungspräsidium Freiburg (LED), Germany Landeserdbebendienst Rheinland-Pfalz, Landesamt für Geologie und Bergbau (LER), Germany		DOI
LG	OSSERVATORIO SISMICO "LUIGI PALMIERI"	osservatorio sismico luigi palmieri (luigi palmieri), Italy		DOI
LH	Large High-Performance Outdoor Shake Table	UC San Diego, United States of America	—	DOI
LI	Laser Interferometer Gravitational-Wave Experiment	California Institute of Technology (CIT), United States of America		DOI
LK	Lunitek Seismic Network	Lunitek srl, Italy		DOI
LL	LLNL NTS Network	Lawrence Livermore National Laboratory (LLNL), United States of America	United States of America	—
LM	Michigan State University Seismic Network	Michigan State University (MSU), United States of America		DOI
LN	Los Alamos Seismic Network (LASN)	Los Alamos National Laboratory (LANL), United States of America	United States of America	—
LO	Observatorio Sismológico Politécnico Loyola	Instituto Politecnico Loyola, Dominican Republic		DOI
LP	La Paz, Baja California Sur, Seismic Network	Center for Scientific Research & Higher Education (CICESE), Mexico		DOI
LQ	Niedersächsischer Erdbebendienst (NED)	Landesamt für Bergbau, Energie und Geologie (LBEG), Germany	—	—
LR	Geophysical Research Arrays of Lebanon	Geophysical Research Centre, Lebanon	Lebanon	DOI
LS	Large Aperture Seismic Array (LASA)	None,		—
LT	Timor Leste Seismic Network	Other		DOI
LU	Luxembourg Seismic Network	European Center for Geodynamics and Sesimology (ECGS), Luxembourg	Luxembourg	—
LV	Seismic Data in North West of UK	Liverpool University, United Kingdom	United Kingdom	DOI
LX	Instituto Dom Luiz (IDL) - Faculdade de Ciencias Universidade de Lisboa	Instituto Dom Luiz - Faculdade de Ciências da Universidade de Lisboa (IDL), Portugal		DOI
LZ	Zambia Seismic Network	Geological Survey Department of Zambia, Zambia		DOI
M	Generic American Strong Motion Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	Italy	—
M0	Magadan Regional Seismic Network of the Russian Federation	Magadan Branch of the Geophysical Survey of the Russian Academy of Sciences	—	DOI
M1	MOravia NETwork	Institute of Physics of the Earth Masaryk University, Czechia		DOI
M2	Podere Maiar	Po Valley Operations (PVO), Italy	—	DOI
M8	Australian Semi-Permanent Support Network	Australian National University (ANU), Australia	—	DOI
MA	Macedonian Seismological Network	Macedonia Seismological Observatory, Macedonia	Macedonia	—
MB	Montana Regional Seismic Network	Montana Bureau of Mines and Geology/Montana Tech (MBMG, MT), United States of America		DOI
MC	Montserrat CALIPSO Borehole Network	University of Texas-Arlington, United States of America		—
MD	Moldova Digital Seismic Network	Geological and Seismological Institute of Moldova, Moldova		DOI
ME	Montenegrin Seismic Network	Sector for Seismology, Institute of Hydrometeorology and Seismology of Montenegro (IHMS), Montenegro		DOI
MF	Laboratorio de Ingeniería Sísmica	Universidad de Costa Rica, Costa Rica		DOI
MG	Permanent Seismic Network of Queretaro State, Mexico	Centro de Geociencias, UNAM (CGEO), Mexico		DOI
MH	Mobile Earthquake Recording in Marine Areas by Independent Divers	Princeton University, United States of America	Global	DOI
MI	USGS Northern Mariana Islands Network	USGS Alaska Anchorage, United States of America		DOI
MJ	Mongolian National Network	Institute of Astronomy and Geophysics of Mongolian Academy of Science (IAG), Mongolia	—	DOI
MK	Seismological network of the Republic of North Macedonia	Seismological Observatory at the Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, Skopje, Republic of Macedonia (SORM), Macedonia	—	DOI
ML	Malta Seismic Network	University of Malta (UM), Malta		DOI
MM	Myanmar National Seismic Network	Department of Meteorology and Hydrology - National Earthquake Data Center (DMH-NEDC), Myanmar		DOI
MN	Mediterranean Very Broadband Seismographic Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy		DOI
MO	Morocco Seismic Network	Institut National de Géophysique, Rabat (CNRST), Morocco	Morocco	—
MP	Iraqi Seismic Observatory	Seismological Laboratory of University of Basrah (SLUB), Iraq		DOI
MQ	Martinique Seismic and Volcano Observatory Network	Institut de Physique du Globe de Paris (IPGP), France		DOI
MR	Mauritius Seismic Network	Mauritius Meteorological Services, Mauritius		—
MS	Singapore Seismological Network	Meteorological Service of Singapore, Singapore		—
MT	French Landslide Observatory / OMIV: Permanent seismological records on unstable slopes	Ecole et Observatoire des Sciences de la Terre (EOST), France		DOI
MU	Miami University Seismic Network	Miami University, Ohio, United States of America		—
MV	Montserrat Volcano Observatory	University of the West Indies, Seismic Research Centre, Trinidad and Tobago	Trinidad and Tobago	—
MW	Malawi National Seismic Network	Geological Survey Department of Malawi (GSDM), Malawi		DOI
MX	Mexican National Seismic Network	Universidad Nacional Autónoma de México (UNAM), Mexico		DOI
MY	Malaysian National Seismic Network	Malaysian Meteorological Service, Ministry of Science, Tech and Innovation (MOSTI-MMD-MET), Malaysia		—
MZ	National Seismic Network of Mozambique	Instituto Nacional de Minas (INAMI), Mozambique	—	DOI
N0	North Osetia Regional Seismic Network of the Russian Federation	North Osetia Branch of the Geophysical Survey of the Russian Academy of Sciences, Russian Federation	—	DOI
N1	NGSA Seismic Network	Nigerian Geological Survey Agency (NGSA), Nigeria University of Abuja, Nigeria	—	DOI
N4	Central and Eastern US Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
N9	N9 - Svalbard Glaciers Surge Monitoring	University of Oslo (UiO), Norway	—	DOI
NA	Caribbean Netherlands Seismic Network	Royal Netherlands Meteorological Institute (KNMI), Netherlands		DOI
NB	Northeastern Brazil UFRN	Universidade Federal do Rio Grande do Norte (UFRN), Brazil		—
NC	USGS Northern California Seismic Network	USGS Menlo Park, United States of America		DOI
ND	New CaleDonia Broadband Seismic Network	Centre IRD de Noumea, Nouvelle-Caledonie, New Caledonia		DOI
NE	New England Seismic Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
NF	North Fork Valley Seismic Network	National Institute for Occupational and Health (NIOSH), United States of America	United States of America	—
NG	Reserved for Papua New Guinea Seismic Network	—	—	—
NH	Geological Survey of North Rhine - Westphalia	Geological Survey of North Rhine - Westphalia (GD NRW), Germany		—
NI	North-East Italy Broadband Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale, University of Trieste (OGS & UniTS), Italy		DOI
NJ	Nigerian National Network of Seismographi Stations (NNNSS)	Centre for Geodesy and Geodynamics (CGG), Nigeria		DOI
NK	Nepal Kathmandu	National Seismological Centre (NSC), Nepal		DOI
NL	Netherlands Seismic and Acoustic Network	Royal Netherlands Meteorological Institute (KNMI), Netherlands		DOI
NM	Cooperative New Madrid Seismic Network	CERI - University of Memphis		—
NN	Nevada Seismic Network	University of Nevada Reno (UNR), United States of America		DOI
NO	NORSAR Station Network	NORSAR, Norway		DOI
NP	United States National Strong-Motion Network	U.S. Geological Survey, United States of America		DOI
NQ	NetQuakes	U.S. Geological Survey, United States of America		DOI
NR	NARS	Utrecht University (UU), Netherlands		DOI
NS	University of Bergen Seismic Network	University of Bergen (UiB Norway), Norway		DOI
NT	USGS Geomagnetism Program	U.S. Geological Survey, United States of America	United States of America	DOI
NU	Nicaraguan Seismic Network	Instituto Nicaraguense de Estudios Territoriales (INETER), Nicaragua		DOI
NV	NEPTUNE	Ocean Networks Canada (ONC), Canada		DOI
NW	Northwestern University Seismic Network	Northwestern University, United States of America		—
NX	Nanometrics Research Network	Nanometrics Seismological Instruments, Canada		DOI
NY	Yukon-Northwest Seismic Network	University of Ottawa, Canada		DOI
NZ	New Zealand National Seismograph Network	Institute of Geological & Nuclear Sciences Ltd (GNS), New Zealand		DOI
O1	The NWMO Seismic Network	Nanometrics Seismological Instruments, Canada	—	—
O2	Oklahoma Consolidated Temporary Seismic Networks	Oklahoma Geological Survey (OGS), United States of America		DOI
OA	AusArray Transportable Array	Geoscience Australia (GA), Australia	Australia	—
OB	Osservatorio Sismico "A. Bina"	Osservatorio Sismico "A. Bina", Perugia, Italy	Italy	—
OC	Observatorio Sismológico CIGEOBIO CONICET	CONICET (OSCO), Argentina		—
OE	Austrian Seismic Network	ZAMG - Zentralanstalt für Meterologie und Geodynamik (ZAMG), Austria		DOI
OF	European Multidisciplinary Seafloor and Water Column Observatory - France	CNRS (Centre National Recherche Scientifique), France		—
OG	Sismalp	Observatoire de Grenoble, Grenoble, France	France	—
OH	Ohio Seismic Network	Ohio Geological Survey, United States of America		DOI
OI	Oceania International	USGS	—	DOI
OK	Oklahoma Seismic Network	Oklahoma Geological Survey (OGS), United States of America		DOI
OL	Cornegliano Laudense Seismic Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy	Italy	DOI
OM	Earthquake Monitoring Program of Oman	Sultan Qaboos University, Oman	Oman	—
ON	Rede Sismográfica do Sul e do Sudeste	Observatório Nacional, Rio de Janeiro, RJ, Brazil		DOI
OO	Ocean Observatories Initiative	Rutgers University, United States of America		DOI
OQ	Oklahoma Structural and Site Effects Network	Oklahoma State University (OSU), United States of America		DOI
OR	OR - Reykjavik Energy	Reykjavík Energy, Iceland	—	DOI
OS	Seismological Observatory, Brasilia Brazil	University of Brasilia, Brazil	Brazil	—
OT	OTRIONS	University of Bari "Aldo Moro" (UNIBA), Italy		DOI
OU	Ulaanbaatar seismic network	Institute of Astronomy and Geophysics of Mongolian Academy of Science (IAG), Mongolia	—	DOI
OV	Observatorio Vulcanológico y Sismológico de Costa Rica	Obsercatorio Vulcanológico y Sismológico de Costa Rica, Universidad Nacional (OVSICORI-UNA), Costa Rica		DOI
OW	Ocean Networks Canada Onshore Network	Ocean Networks Canada (ONC), Canada	—	DOI
OX	North-East Italy Seismic Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy		DOI
OY	OGS Mobile LAB	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy		DOI
OZ	SRC eqServer	Seismology Research Centre (SRC), Australia		—
P1	Porto Corsini	Eni spa, Italy	—	DOI
PA	ChiriNet	Red Sismica Volcan Baru (Chirinet), Panama		DOI
PB	Plate Boundary Observatory Borehole Seismic Network	UNAVCO, United States of America		—
PC	Panama Canal Network	Autoridad del Canal de Panama (Panama Canal Authority), Panama	Panama	—
PD	Polish Seismic Monitoring Network	Polish Academy of Sciences, Polskiej Akademii Nauk (PAN), Poland	Poland	—
PE	Pennsylvania State Seismic Network	Penn State University, United States of America		DOI
PF	Piton de la Fournaise Volcano Observatory Network (Reunion Island)	Institut de Physique du Globe de Paris (IPGP), France		DOI
PG	Central Coast Seismic Network, PG&E	Pacific Gas and Electric (PG&E), United States of America		—
PH	Puna Geothermal Network	Duke University, United States of America	United States of America	—
PI	PASSCAL Pier Test Data	IRIS/PASSCAL		—
PK	Micro Seismic Monitoring System of Northern Areas of Pakistan	Institute of Geology and Geophysics, CAS (CAS ), China		—
PL	Polish Seismological Network	Polish Academy of Sciences, Polskiej Akademii Nauk (PAN), Poland		—
PM	Portuguese National Seismic Network	Instituto Português do Mar e da Atmosfera, I.P. (IPMA), Portugal		DOI
PN	PEPP-Indiana	Indiana University Bloomington (IU Bloomington), United States of America		—
PO	Portable Observatories for Lithospheric Analysis and Research Investigating Seismicity	Geological Survey of Canada, Canada		—
PP	Princeton Earth Physics Program	Princeton University, United States of America		—
PQ	Public Safety Geoscience Program Canadian Research Network	Geological Survey of Canada, Canada		DOI
PR	Puerto Rico Seismic Network & Puerto Rico Strong Motion Program	University of Puerto Rico (UPR), United States of America		DOI
PS	Pacific21	University of Tokyo, Earthquake Research Institute (Todai, ERI), Japan		—
PT	Pacific Tsunami Warning Seismic System	Pacific Tsunami Warning Center, United States of America		DOI
PU	INGEMMET	Instituto Geologico Minero Y Metalurgico, Lima, Peru	Peru	—
PV	Philippine Seismic Network	Philippine Institution of Volcanology and Seismology, Philippines	Philippines	—
PW	Pacific Northwest Geodetic Array	Central Washington University, United States of America	United States of America	DOI
PX	Parkfield Experiment Array	Duke University, United States of America	United States of America	—
PY	Piñon Flats Observatory Array	University of California, San Diego (UCSD), United States of America		DOI
PZ	Prince Islands Real-time Earthquake monitoring System	GFZ Potsdam, BU-Kandilli, Multiple Countries		DOI
QA	Qatar Seismic Network	Qatar Civil Aviation Authority, Qatar	Qatar	—
QC	Quake Catcher Network	Stanford University, United States of America		—
QE	Equinor	Equinor, Norway	—	DOI
QM	Comoros Archipelago Seismic and Volcano Network	Institut de Physique du Globe de Paris (IPGP), France		DOI
QW	Canadian National Earthquake Early Warning System	Natural Resources Canada (NRCAN), Canada	Canada	DOI
QX	Canadian National Earthquake Early Warning System - Extended Partners	Natural Resources Canada (NRCAN), Canada	—	DOI
QZ	Seismic network of the Seismological Experience and Methodology Expedition CS MES RK	LTD Seismological Experience and Methodology Expedition of the Committee of Science of the Ministry of Education and Science of the Republic of Kazakhstan (SEME), Kazakhstan		DOI
R1	Romanian Infrasound Network	National Institute for Earth Physics (NIEP), Romania		DOI
RA	Réseau Accélérométrique Permanent (French Accelerometrique Network)	Reseau sismologique et géodésique français (RESIF), France		DOI
RB	Red Sísmica de Banda Ancha	Centro de Investigación Científica y de Educación Superior de Ensenada (CICESE), Mexico		—
RC	BYU-Idaho Network	Brigham Young Univ-Idaho (BYU Idaho), United States of America		DOI
RD	CEA/DASE Seismic Network	Departement d'Analyse et Surveillance de l'Environnement du CEA, French Polynesia		DOI
RE	US Bureau of Reclamation Seismic Networks	U.S. State Department, United States of America		—
RF	Friuli Venezia Giulia Accelerometric Network	University of Trieste, Italy		DOI
RG	Upper-Rhine Graben Geothermal Network	ES-Géothermie (ESG), France		DOI
RI	National Seismic Network of Argentina	Instituto Nacional de Prevencion Sismica, Argentina	Argentina	DOI
RJ	Rede Sísmica e Geomagnética do Rio de Janeiro	Observatório Nacional, Rio de Janeiro, RJ, Brazil	Brazil	—
RK	NASA READI Kinematic GPS	Central Washington University, United States of America	United States of America	DOI
RL	RESEAU GEOPHYSIQUE DE LAMTO	STATION GEOPHYSIQUE DE LAMTO (SGL), Côte d'Ivoire	—	DOI
RM	Regional Integrated Multi-Hazard Early Warning System	Regional Integrated Multi-Hazard Early Warning System (RIMES), Thailand		DOI
RN	RuhrNet - Seismic Network of the Ruhr-University Bochum	Ruhr Universitaet Bochum (RUB), Germany		DOI
RO	Romanian Seismic Network	National Institute for Earth Physics (NIEP), Romania		DOI
RP	Universidad de Panama Seismic Network	Instituto de Geociencias, Universidad de Panamá, Panama	Panama	—
RQ	National Seismic Network of URBAN-INCERC	Institutul Naţional de Cercetare-Dezvoltare in Construcţii Urbanism şi Dezvoltare Teritorială Durabilă (URBAN-INCERC), Romania	—	DOI
RR	Reti accelerometriche centri storici italiani	Presidenza del Consiglio dei Ministri - Dipartimento della protezione civile (PCM - DPC), Italy	Italy	DOI
RS	Regional Seismic Test Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
RT	Kamchatka Tsunami Warning Seismic Network of the Russian Federation	Kamchatka Branch of the Geophysical Survey of the Russian Academy of Sciences	Russian Federation	DOI
RU	Seismic network of the European part of the Russian Federation	Geophysical Survey of the Russian Academy of Sciences (GSRAS), Russian Federation	—	DOI
RV	Regional Alberta Observatory for Earthquake Studies Network	Alberta Geological Survey / Alberta Energy Regulator (AGS / AER), Canada		DOI
RW	Rwanda National Seismic Network	Rwanda Mines, Petroleum and Gas Board (RMB), Rwanda		—
RY	Yakutsk Regional Seismic Network of the Russian Federation	Yakutsk Branch of the Geophysical Survey of the Russian Academy of Sciences (YAGSR), Russian Federation		DOI
S	Seismology at School Program, ETH Zurich	Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland		DOI
S0	Sakhalin Regional Seismic Network of the Russian Federation	Sakhalin Branch of the Geophysical Survey of the Russian Academy of Sciences	—	DOI
S1	Australian Seismometers in Schools	Australian National University (ANU), Australia		DOI
S2	IceSMN Icelandic Strong Motion Network	University of Iceland, Iceland	—	DOI
S3	SeismicAI Global Network	SeismicAI	—	—
S5	Slovenian Karst NFO Network	Research Centre of the Slovenian Academy of Sciences and Arts (ZRC SAZU), Slovenia Slovenian Environment Agency (ARSO), Slovenia	—	DOI
S8	SensorEra Seismic Network	Sensorera (SensorEra Inc), United States of America	—	DOI
SA	Saudi Arabia Broadband Seismic Network	Institute for Astronomical and Geophysical Research (KACST), Saudi Arabia	Saudi Arabia	—
SB	UC Santa Barbara Engineering Seismology Network	UC Santa Barbara, United States of America		DOI
SC	New Mexico Tech Seismic Network	New Mexico Tech, United States of America		DOI
SD	Schlumberger	Schlumberger (SLB_Development ), Multiple Countries	Multiple Countries	—
SE	Southeastern Appalachian Cooperative Seismic Network	None,		—
SF	San Andreas Fault Observatory at Depth	Stanford University, United States of America		—
SG	International Geodynamics and Earth Tide Service	Multiple Operators, Belgium		DOI
SH	Shumagin-East Aleutian Network	Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America		DOI
SI	Province Südtirol	ZAMG - Central Institute for Meteorology and Geodynamics, Austria		—
SJ	Serbian Seismological Network	Seismological Survey of Serbia, Serbia		DOI
SK	Slovak National Seismic Network	Geophysical Institute, Slovak Academy of Sciences, Slovakia		DOI
SL	Seismic Network of the Republic of Slovenia	Slovenian Environment Agency (ARSO), Slovenia		DOI
SM	Icelandic Strong Motion Network	University of Iceland, Iceland	Iceland	—
SN	Southern Great Basin Network	University of Nevada Reno (UNR), United States of America		DOI
SO	Scripps Orbit and Permanent Array Center	Scripps Institution of Oceanography (SIO), United States of America	United States of America	DOI
SP	South Carolina Earth Physics Project	University of South Carolina, United States of America		DOI
SQ	South African National Seismograph Network	Council for Geoscience, Geological Survey (CG), South Africa	—	DOI
SR	Seismic Research Observatory	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
SS	SINGLE STATION	Incorporated Research Institutions For Seismology (IRIS), United States of America		DOI
ST	Trentino Seismic Network	Geological Survey-Provincia Autonoma di Trento, Italy		DOI
SU	Sandia Seismo-Acoustic Network	Sandia National Laboratories, United States of America	United States of America	—
SV	Servicio Nacional de Estudios Territoriales (SNET), El Salvador	Servicio Nacional de Estudios Territoriales (SNET), El Salvador		—
SW	Solomon Islands Seismology & Volcanology Network	Solomon Islands Geoscience Observatory (Seismology Unit), Solomon Islands	Solomon Islands	—
SX	SXNET Saxon Seismic Network	University of Leipzig, Germany		DOI
SY	Synthetic Seismograms	IRIS DMC, United States of America		—
SZ	RIMES	Regional Integrated Multi-Hazard Early Warning System (RIMES), Thailand		DOI
T	Tonga Seismic Network	Tonga Geological Services (TGS), Tonga	—	—
T1	IPE_ETE	Institute of Physics of the Earth Masaryk University, Czechia		DOI
T3	Rete Accelerometrica Terna	TERNA (TERNA), Italy	Italy	—
T4	Canakkale Onsekiz Mart University Earthquake Research Center	Canakkale Onsekiz Mart University (COMU), Türkiye		—
T5	Central Weather Administration Seismographic Network	Central Weather Administration	—	DOI
T9	TAMU Seismic Network	Texas A&M University, United States of America	—	DOI
TA	USArray Transportable Array	IRIS Transportable Array (IRIS_TA), United States of America		DOI
TB	MRC Earth and Marine Sciences Network	TÜBITAK Marmara Research Center (MRC Turkey), Türkiye		DOI
TC	Red Sismológica Nacional de Costa Rica	Universidad de Costa Rica, Costa Rica		DOI
TD	TransAlta Monitoring Network	TransAlta Corporation, Canada		—
TE	EGAT Dams Seismic Monitoring System	Electricity Generating Authority of Thailand (EGAT), Thailand	Thailand	DOI
TF	Tajikistan National Seismic Network	Insitute of Geology, Earthquake Engineering and Seismology of the NAST (IGEES NAST), Tajikistan	—	DOI
TG	Royal Irrigation Department	Royal Irrigation Department (RID), Thailand		DOI
TH	Thüringer Seismologisches Netz	Institut fuer Geowissenschaften, Friedrich-Schiller-Universitaet Jena, Germany		DOI
TI	Centro Sismologico de America Central	Universidad de Costa Rica, Costa Rica	Costa Rica	—
TJ	Tajikistan National Seismic Network	Geophysical Survey of the National Academy of sciences of Tajikistan (GS NAST), Tajikistan		DOI
TK	Turkish National Strong Motion Network	Disaster and Emergency Management Authority (AFAD), Türkiye		DOI
TL	Armutlu Local Seismic Network	Kocaeli University, Türkiye		—
TM	Thai Seismic Monitoring Network	Earthquake Observation Division (EOD), Thailand Thai meteorological department (TMD), Thailand		—
TN	Eastern Tennessee Seismic Network	Joint Institute for Energy and the Evnironment, United States of America	United States of America	—
TO	Tectonic Observatory - MASE, VEOX , PeruSE, CCSE	California Institute of Technology (CIT), United States of America		DOI
TP	Rete di monitoraggio microsismico installata presso la concessione Gorgoglione	TOTAL E&P ITALIA S.P.A., Italy		—
TQ	Taiwan multi-parametric environmental seismic monitoring network	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany	—	DOI
TR	Eastern Caribbean Seismograph Network	University of the West Indies, Seismic Research Centre, Trinidad and Tobago		—
TS	TERRAscope (Southern California Seismic Network)	California Institute of Technology (CIT), United States of America		—
TT	Seismic Network of Tunisia	Institut National de la Météorologie, Tunis, Tunisia		—
TU	Turkish National Seismic Network	Disaster and Emergency Management Authority (AFAD), Türkiye		DOI
TV	INGV experiments network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy		—
TW	Broadband Array in Taiwan for Seismology	Institute of Earth Sciences, Academia Sinica, Taiwan (IESAS), Taiwan		DOI
TX	Texas Seismological Network	Bureau of Economic Geology, The University of Texas at Austin (BEG UTEXAS), United States of America		DOI
TY	Dam Safety Monitoring Network	Tennessee Valley Authority (TVA), United States of America	—	DOI
TZ	Ol Doinyo Lengai, TZ Volcano Monitoring	Colgate University, United States of America		DOI
UA	Caribbean Andesite Lava Island Precision Seismo-geodetic Observatory	University of Arkansas - Fayetteville, United States of America	Montserrat	—
UB	University of Zimbabwe 1	University of Zimbabwe (U.Z.), Zimbabwe	Zimbabwe	DOI
UC	Colima Seismic Network	Universidad de Colima, Mexico	Mexico	—
UD	Seismic Network Main Center of Special Monitoring	Main Center of Special Monitoring (MCSM), Ukraine		DOI
UE	Seismological Network of United Arab Emirates	National Center of Meteorology and Seismology, United Arab Emirates	United Arab Emirates	—
UF	Centro de Investigación de Resiliencia y Riesgos Multi-Amenazas	Pontificia Universidad Católica Madre y Maestra (PUCMM), Dominican Republic	—	DOI
UG	Unocal Geothermal Northern California Network	Unocal Corporation, United States of America	United States of America	—
UH	UH Infrasound Network	University of Hawaii (UH), United States of America		—
UI	North Idaho Seismic Network	University of Idaho, United States of America		—
UK	UK Schools Seismic Network	University of Leicester (SEIS UK), United Kingdom		—
UL	USGS Low Frequency Geophysical Data Network	USGS Menlo Park, United States of America		—
UM	University of Montana Seismic Network	University Of Montana, United States of America		DOI
UN	Uganda National Seismological Network	Directorate of Geological Survey and Mines, Uganda (DGSM), Uganda	Uganda	DOI
UO	Pacific Northwest Seismic Network - University of Oregon	University of Oregon, United States of America		DOI
UP	Swedish National Seismic Network	Uppsala University, Sweden		DOI
UQ	UNSA Regional Seismic Network	Universidad Nacional de San Agustín de Arequipa - UNSA	—	DOI
UR	UKArray	British Geological Survey, United Kingdom	United Kingdom	DOI
US	United States National Seismic Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
UT	Ukrainian National Seismic Network	—	—	—
UU	University of Utah Regional Seismic Network	University of Utah, United States of America		DOI
UV	Red Sismológica del Suroccidente Colombiano	University of Valle, Colombia		DOI
UW	Pacific Northwest Seismic Network - University of Washington	University of Washington, United States of America		DOI
UX	Red Sismologica del Nororiente Colombiano	Industrial University of Santander (UIS), Colombia	—	DOI
UY	Observatorio Geofisico del Uruguay	Universidad de la Republica, Uruguay		DOI
UZ	Uzbekistan Digital Seismic Network	Republican Center Seismic and Forecasting Monitoring Uzbekistan (RCSFM MEC), Uzbekistan		DOI
VA	VAL D'AGRI NETWORK	Eni spa, Italy		DOI
VB	Valencian Broadband Seismic Network	University of Alicante (UA), Spain		DOI
VC	Red Nacional de Vigilancia Volcánica Chile (VC)	Servicio Nacional de Geología y Minería (SERNAGEOMIN), Chile		—
VD	High Agri Valley geophysical Observatory	Consiglio Nazionale delle Ricerche (CNR IMAA), Italy		DOI
VE	Red Sismológica Satelital Nacional	Fundación Venezolana de Investigaciones Sismológicas, Caracas (FUNVISIS), Venezuela		DOI
VG	Seismic Network of the Indonesian Center for Volcanology and Geological Hazard Mitigation	Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG), Indonesia		DOI
VI	Icelandic National Digital Seismograph Network	Icelandic Meteorological Office (IMO), Iceland		DOI
VK	California Volcano Observatory	United States Geological Survey (USGS), United States of America	—	DOI
VL	Vale SA Network	Universidade de Sao Paulo, USP, Brazil	Brazil	DOI
VM	Marche Seismic Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	—
VN	Voronezh Regional Seismic Network of the Russian Federation	Voronezh Laboratory of the Geophysical Survey of the Russian Academy of Sciences	—	DOI
VO	CAVONE SEISMIC NETWORK	Eni spa, Italy		DOI
VR	Virgo Interferometric Antenna for Gravitational Waves Detection	European Gravitational Observatory (ego), Italy		DOI
VS	Evora Seismic Network	University of Evora (UEVORA), Portugal		DOI
VT	Taiwan Volcano Observatory	Taiwan Volcano Observatory (TVO), Taiwan		DOI
VU	Vanuatu Seismic Network	Vanuatu Geoscience Observatory, Vanuatu		—
VV	Observatorio Argentino de Vigilancia Volcánica	Servicio Geológico Minero Argentino (SEGEMAR), Argentina	Argentina	—
WA	West Central Argentina Network	Universidad Nacional de San Juan (UNSJ), Argentina		—
WB	West Bohemia Local Seismic Network	Institute of Geophysics, Academy of Sciences of the Czech Republic, Czechia		DOI
WC	Curacao Seismic Network	Meteorologische Dienst Curacao, Curaçao		—
WD	Western Canada Deformation Array	Natural Resources Canada (NRCAN), Canada	—	DOI
WE	Western Ionian Sea Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	—
WG	WA Array	Geological Survey of Western Australia (GSWA), Australia	—	DOI
WI	West Indies French Seismic Network	Institut de Physique du Globe de Paris (IPGP), France		DOI
WK	Wake Island Hydrophone Array	University of Hawaii (UH), United States of America	United States of America	—
WM	Western Mediterranean Seismic Network	Real Instituto y Observatorio de la Armada, Spain		DOI
WN	WINSENT	Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg (ZSW), Germany	—	DOI
WR	California Division of Water Resources	California Division of Water Resources, United States of America		—
WS	Seismic Network of Repuplika Srpska	Republicki Hidrometeorološki Zavod, Serbia	Bosnia and Herzegovina	—
WU	The Southern Ontario Seismic Network	Nanometrics Seismological Instruments, Canada		—
WW	Idaho Seismic Network	Idaho Geological Survey (IGS), United States of America	—	DOI
WY	Yellowstone National Park Seismograph Network	University of Utah, United States of America		DOI

Network Data API

The network data shown here is also available programmatically through a web service API.