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
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	Meteorological, Climatological and Geophysical Agency (BMKG), 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

Network Data API

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