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
GZ	ANKARA-NET	Gazi University, Earthquake Engineering Implementation and Research Center	Turkey	—
G	French Global Network of Seismological Broadband Stations	Institut de Physique du Globe de Paris		DOI
GA	GARNET Seismic Network	Geological Survey of Japan (GSJ AIST)	Japan	—
GN	Garni Dense Array	USGS Menlo Park	Armenia	—
GE	GEOFON	GEOFON Program (GFZ-Potsdam, Germany)		DOI
GF	Geophysical borehole Observatory at the North Anatolian Fault	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam)		—
G1	GEOTEM	GEOTEM (GEOTEM)		—
GR	German Regional Seismic Network	BGR Federal Institute for Geosciences and Natural Resources (BGR, Germany)		DOI
GQ	German Strong Earthquake Network	BGR Federal Institute for Geosciences and Natural Resources (BGR, Germany)		—
GY	Geyokcha Array, Turkmenistan	University of California, San Diego (UCSD)		DOI
GX	GFZ Affiliated Stations	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam)		—
GH	Ghana Digital Seismic Network	Ghana Geological Survey		DOI
GD	Global Positioning System (GPS) Displacement Measurements	None		—
GT	Global Telemetered Seismograph Network (USAF/USGS)	Albuquerque Seismological Laboratory/USGS (ASL)		DOI
GP	GPS Data Products for Solid Earth Science	California Institute of Technology (Caltech)	United States of America	—
GB	Great Britain Seismograph Network	British Geological Survey		—
GG	Greenland Ice Sheet Monitoring Network	IRIS HQ (DC)		DOI
GL	Guadeloupe Seismic and Volcano Observatory Network	Institut de Physique du Globe de Paris		DOI
GO	National Seismic Network of Georgia	Ilia State University- Seismic Monitoring Centre of Georgia (Georgia)		—
GI	Red Sismologica Nacional	Instituto Nacional de Sismologia, Vulcanologia, Meteorologia e Hidrologia (INSIVUMEH) (INSIVUMEH)		DOI
GU	Regional Seismic Network of North Western Italy	University of Genoa (UniGe)		DOI
G3	Servicio Sismologico IN3, UMG	Servicio Sismologico IN3 (SSIN3)	Guatemala, Centro America	DOI
GC	UCLA Geonet Network	UC Los Angeles (UCLA)	United States of America	—
GM	U.S. Geological Survey Networks	U.S. Geological Survey		DOI
GS	US Geological Survey Networks	Albuquerque Seismological Laboratory/USGS (ASL)		DOI

Network Data API

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