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
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		DOI
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
D5	Sistema de Detección Microsismica de la Ciudad de México	SisDeMi (SisDeMi), Mexico	—	DOI
D6	Sistema de Detección Microsismica Mexicana	SisDeMi (SisDeMi), Mexico	—	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		DOI
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
DY	Polar Seismic Italian Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	DOI
DZ	REALSAS	Research Center of Astronomy, Astrophysics & Geophysics (CRAAG), Algeria		—
E	Rete ENEA	Agenzia Nazionale per le Nuove Technolgie (ENEA), Italy	Italy	—
E0	Reggio Calabria Railway District	Rete Ferroviaria Italiana (RFI) (RFI), Italy	—	DOI
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		—

Network Data API

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