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
GS	US Geological Survey Networks	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
GM	U.S. Geological Survey Networks	United States Geological Survey (USGS), United States of America		DOI
GC	UCLA Geonet Network	UC Los Angeles (UCLA), United States of America	United States of America	—
G3	Servicio Sismologico IN3, UMG	Servicio Sismologico IN3 (SSIN3), Guatemala	Guatemala, Centro America	DOI
GU	Regional Seismic Network of North Western Italy	University of Genoa (UniGe), Italy		DOI
GI	Red Sismologica Nacional	Instituto Nacional de Sismologia, Vulcanologia, Meteorologia e Hidrologia (INSIVUMEH), Guatemala		DOI
GO	National Seismic Network of Georgia	Ilia State University- Seismic Monitoring Centre of Georgia, Georgia		DOI
GV	Mobile RSNI	University of Genoa (UniGe), Italy	—	DOI
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
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
GF	Geophysical borehole Observatory at the North Anatolian Fault	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		—
GE	GEOFON	GEOFON Program (GFZ-Potsdam, Germany), Germany		DOI
G2	GEOBEST Switzerland	Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland	—	DOI
GN	Garni Dense Array	USGS Menlo Park, United States of America	Armenia	—
GA	GARNET Seismic Network	Geological Survey of Japan (GSJ AIST), Japan	Japan	—
GZ	ANKARA-NET	Gazi University, Earthquake Engineering Implementation and Research Center, Türkiye	Türkiye	—

Network Data API

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