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
LX	Instituto Dom Luiz (IDL) - Faculdade de Ciencias Universidade de Lisboa	Instituto Dom Luiz - Faculdade de Ciências da Universidade de Lisboa (IDL), Portugal		DOI
IQ	Inquique Local Network	University of Kiel, Germany		DOI
IE	INL Seismic Monitoring Program	Idaho National Laboratory (INL), United States of America		DOI
TV	INGV experiments network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy		—
PU	INGEMMET	Instituto Geologico Minero Y Metalurgico, Lima, Peru	Peru	—
IA	InaTEWS Indonesia Tsunami Early Warning System	Yogyakarta State University (UNY), Indonesia		—
IK	IISERK Seismic Network	Indian Institute of Science Education and Research Kolkata (IISER), India	India	DOI
IF	IFMS Seismic Network	IFMS, Brazil		DOI
WW	Idaho Seismic Network	Idaho Geological Survey (IGS), United States of America	—	DOI
S2	IceSMN Icelandic Strong Motion Network	University of Iceland, Iceland	—	DOI
SM	Icelandic Strong Motion Network	University of Iceland, Iceland	Iceland	—
VI	Icelandic National Digital Seismograph Network	Icelandic Meteorological Office (IMO), Iceland		DOI
IB	IberArray	Institute Earth Sciences "Jaume Almera" (ICTJA), Spain		DOI
HU	Hungarian National Seismological Network	Institute of Earth Physics and Space Science, Hungary		DOI
HN	Hungarian National Infrasound Network	Institute of Earth Physics and Space Science, Hungary		DOI
HK	Hong Kong Seismograph Network	Hong Kong Observatory, China		—
HG	High-Gain Long-Period Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
VD	High Agri Valley geophysical Observatory	Consiglio Nazionale delle Ricerche (CNR IMAA), Italy		DOI
HS	Hessischer Erdbebendienst	Hessian Agency for Nature Conservation, Environment and Geology (HLNUG), Germany	Germany	DOI
HA	Hellenic Seismological Network, University of Athens, Seismological Laboratory	University of Athens, Greece		DOI
HV	Hawaiian Volcano Observatory Network	USGS Hawaiian Volcano Observatory (HVO), United States of America		DOI
H2	Hawaii 2 Observatory	University of Hawaii (UH), United States of America		—
HZ	Hasting Micro-Seismic Consulting	Private Consulting Service (HMSC), United States of America	—	DOI
HW	Hanford Washington Seismic Network	Pacific Northwest National Laboratory (PNL), United States of America		—
AY	Haitian Seismic Network	Bureau of Mines and Energy, Haiti		—
GL	Guadeloupe Seismic and Volcano Observatory Network	Institut de Physique du Globe de Paris (IPGP), France		DOI
GG	Greenland Ice Sheet Monitoring Network	IRIS HQ, United States of America		DOI
GB	Great Britain Seismograph Network	British Geological Survey, United Kingdom		DOI
GP	GPS Data Products for Solid Earth Science	California Institute of Technology (CIT), United States of America	United States of America	—
G7	Goma Volcano Seismic Network	Goma Volcano Observatory (GVO), Congo, Democratic Republic of the	—	DOI
GT	Global Telemetered Seismograph Network (USAF/USGS)	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
II	Global Seismograph Network - IRIS/IDA	Scripps Institution of Oceanography (SIO), United States of America		DOI
IU	Global Seismograph Network (GSN - IRIS/USGS)	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
GD	Global Positioning System (GPS) Displacement Measurements	None,		—
GH	Ghana Digital Seismic Network	Ghana Geological Survey, Ghana		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
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
G1	GEOTEM	GEOTEM (GEOTEM), Mexico		—
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
HM	GeoRisk Seismic Network	GeoRisk Earthquake Engineering, Hungary		DOI
LR	Geophysical Research Arrays of Lebanon	Geophysical Research Centre, Lebanon	Lebanon	DOI
GF	Geophysical borehole Observatory at the North Anatolian Fault	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		—
NH	Geological Survey of North Rhine - Westphalia	Geological Survey of North Rhine - Westphalia (GD NRW), Germany		—
GE	GEOFON	GEOFON Program (GFZ-Potsdam, Germany), Germany		DOI
G2	GEOBEST Switzerland	Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland	—	DOI
EU	Generic European Strong Motion Network	—	Europe	—
A	Generic Asian Strong Motion Network	—	Asia	—
M	Generic American Strong Motion Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	Italy	—

Network Data API

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