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
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		DOI
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	—
FC	Generic African Strong Motion Network	—	Africa	—
GN	Garni Dense Array	USGS Menlo Park, United States of America	Armenia	—
GA	GARNET Seismic Network	Geological Survey of Japan (GSJ AIST), Japan	Japan	—
BO	Full Range Seismograph Network of Japan	National Research Institute for Earth Science and Disaster Resilience (NIED), Japan	Japan	DOI
RF	Friuli Venezia Giulia Accelerometric Network	University of Trieste, Italy		DOI
FV	Friuli and Veneto Short Period Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy		DOI
FP	French Polynesia Seismic Network	Laboratoire De Geophysique (LDG), French Polynesia	—	—
MT	French Landslide Observatory / OMIV: Permanent seismological records on unstable slopes	Ecole et Observatoire des Sciences de la Terre (EOST), France		DOI
FF	French Fiber Network	Géoazur, France	—	—
FO	French Associated Seismological Network	French Seismologic and Geodetic Network (RESIF), France	France	DOI
FM	Formosa Array	Academia Sinica, Institute of Earth Sciences (IESAS), Taiwan		DOI
HE	Finnish National Seismic Network	University of Helsinki, Finland		DOI
A3	FCAG-UNLP Seismic Network	Universidad Nacional de La Plata (UNLP), Argentina	—	DOI
FG	Fallon Microearthquake Network	Geothermal Program Office/US Navy, United States of America	United States of America	—
F1	F1	Geoazur (Geoazur), France	—	DOI
EX	EXTREMA Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	Italy	—
VS	Evora Seismic Network	University of Evora (UEVORA), Portugal		DOI
EG	EUROSEISTEST Strong Motion Network	Aristotle University of Thessaloniki, Greece		DOI
OF	European Multidisciplinary Seafloor and Water Column Observatory - France	CNRS (Centre National Recherche Scientifique), France		—
EH	Ethiopian Seismic Network	Addis Ababa University, Ethiopia		DOI
EE	Estonian National Seismic Network (EESN)	Geological Survey of Estonia (GSE), Estonia		DOI
LE	Erdbebendienst Südwest	Landeserdbebendienst Baden-Württemberg, Landesamt für Geologie, Rohstoffe und Bergbau, Regierungspräsidium Freiburg (LED), Germany Landeserdbebendienst Rheinland-Pfalz, Landesamt für Geologie und Bergbau (LER), Germany		DOI
QE	Equinor	Equinor, Norway	—	DOI
EO	EON-ROSE	University of Calgary, Canada		DOI
EL	Enel Networks monitoring microsismic of Italian geothermal areas	Enel (Italy), Italy	—	DOI
EM	Electromagnetic Studies of the Continents	University of California, Riverside (UCR), United States of America University of Utah, United States of America University of Washington, United States of America		DOI
A4	Egyptian national Strong motion network	National Research Institute of Astronomy and Geophysics (NRIAG), Egypt	—	DOI
EY	Egyptian national seismological network	National Research Institute of Astronomy and Geophysics (NRIAG), Egypt		DOI
TE	EGAT Dams Seismic Monitoring System	Electricity Generating Authority of Thailand (EGAT), Thailand	Thailand	DOI
ED	Educational Seismological Network	GeoAzur, France	France	—
EC	Ecuador Seismic Network	Instituto Geofisico Escuela Politecnica Nacional (IG-EPN), Ecuador		—
EZ	EBYU-IET Seismic network	Erzincan Binali Yildirim University, Institute of Earthquake Technologies (EBYU-IET), Türkiye	—	DOI
EB	Ebre Observatory Regional Seismic Network	Observatori de l'Ebre, Tarragona, Spain		DOI

Network Data API

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