Network Codes

The following network codes are assigned by the FDSN to facilitate unique identifiers for seismological data streams.

Request a new network code (requires login)
Generate citations for network data

Show network types:
All Permanent Temporary
Show only network codes starting with:

1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Search for network code or name:

Network Code	Network Name	Operated By	Deployment	DOI
GZ	ANKARA-NET	Gazi University, Earthquake Engineering Implementation and Research Center, Türkiye	Türkiye	—
GA	GARNET Seismic Network	Geological Survey of Japan (GSJ AIST), Japan	Japan	—
GN	Garni Dense Array	USGS Menlo Park, United States of America	Armenia	—
G2	GEOBEST Switzerland	Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland	—	DOI
GE	GEOFON	GEOFON Program (GFZ-Potsdam, Germany), Germany		DOI
GF	Geophysical borehole Observatory at the North Anatolian Fault	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		—
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
G1	GEOTEM	GEOTEM (GEOTEM), Mexico		—
GR	German Regional Seismic Network	Federal Institute for Geosciences and Natural Resources (BGR), Germany		DOI
GQ	German Strong Earthquake Network	Federal Institute for Geosciences and Natural Resources (BGR), Germany		—
GY	Geyokcha Array, Turkmenistan	University of California, San Diego (UCSD), United States of America		DOI
GX	GFZ Affiliated Stations	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		—
GH	Ghana Digital Seismic Network	Ghana Geological Survey, Ghana		DOI
GD	Global Positioning System (GPS) Displacement Measurements	None,		—
GT	Global Telemetered Seismograph Network (USAF/USGS)	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
G7	Goma Volcano Seismic Network	Goma Volcano Observatory (GVO), Congo, Democratic Republic of the	—	DOI
GP	GPS Data Products for Solid Earth Science	California Institute of Technology (CIT), United States of America	United States of America	—
GB	Great Britain Seismograph Network	British Geological Survey, United Kingdom		DOI
GG	Greenland Ice Sheet Monitoring Network	IRIS HQ, United States of America		DOI
GL	Guadeloupe Seismic and Volcano Observatory Network	Institut de Physique du Globe de Paris (IPGP), France		DOI
GV	Mobile RSNI	University of Genoa (UniGe), Italy	—	DOI
GO	National Seismic Network of Georgia	Ilia State University- Seismic Monitoring Centre of Georgia, Georgia		DOI
GI	Red Sismologica Nacional	Instituto Nacional de Sismologia, Vulcanologia, Meteorologia e Hidrologia (INSIVUMEH), Guatemala		DOI
GU	Regional Seismic Network of North Western Italy	University of Genoa (UniGe), Italy		DOI
G3	Servicio Sismologico IN3, UMG	Servicio Sismologico IN3 (SSIN3), Guatemala	Guatemala, Centro America	DOI
GC	UCLA Geonet Network	UC Los Angeles (UCLA), United States of America	United States of America	—
GM	U.S. Geological Survey Networks	United States Geological Survey (USGS), United States of America		DOI
GS	US Geological Survey Networks	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI

Network Data API

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