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
GL	Guadeloupe Seismic and Volcano Observatory Network	Institut de Physique du Globe de Paris (IPGP), France		DOI
GI	Red Sismologica Nacional	Instituto Nacional de Sismologia, Vulcanologia, Meteorologia e Hidrologia (INSIVUMEH), Guatemala		DOI
GH	Ghana Digital Seismic Network	Ghana Geological Survey, Ghana		DOI
GG	Greenland Ice Sheet Monitoring Network	IRIS HQ, United States of America		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
GD	Global Positioning System (GPS) Displacement Measurements	None,		—
GC	UCLA Geonet Network	UC Los Angeles (UCLA), United States of America	United States of America	—
GB	Great Britain Seismograph Network	British Geological Survey, United Kingdom		DOI
GA	GARNET Seismic Network	Geological Survey of Japan (GSJ AIST), Japan	Japan	—
G7	Goma Volcano Seismic Network	Goma Volcano Observatory (GVO), Congo, Democratic Republic of the	—	DOI
G3	Servicio Sismologico IN3, UMG	Servicio Sismologico IN3 (SSIN3), Guatemala	Guatemala, Centro America	DOI
G2	GEOBEST Switzerland	Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland	—	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
FV	Friuli and Veneto Short Period Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy		DOI
FS	CEA seismic network of south-eastern France	Commissariat à l'Énergie Atomique et aux Énergies Alternatives (CEA), France	—	DOI
FR	RESIF and other broad-band and accelerometric permanent networks in metropolitan France	Reseau sismologique et géodésique français (RESIF), France		DOI
FP	French Polynesia Seismic Network	Laboratoire De Geophysique (LDG), French Polynesia	—	—
FO	French Associated Seismological Network	French Seismologic and Geodetic Network (RESIF), France	France	DOI
FN	Northern Finland Seismological Network	Sodankyla Geophysical Observatory / University of Oulu, Finland		DOI
FM	Formosa Array	Academia Sinica, Institute of Earth Sciences (IESAS), Taiwan		DOI
FI	Seismo-acoustic Network of the University of Florence	University of Florence, Italy	—	DOI
FG	Fallon Microearthquake Network	Geothermal Program Office/US Navy, United States of America	United States of America	—
FF	French Fiber Network	Géoazur, France	—	—
FC	Generic African Strong Motion Network	—	Africa	—
FB	Seismic Network of Federation of Bosnia and Herzegovina	Federal Hydrometeorological Institute, Bosnia and Herzegovina	Bosnia and Herzegovina	—
FA	UCLA Seismic Network	UC Los Angeles (UCLA), United States of America		—
F1	F1	Geoazur (Geoazur), France	—	DOI
EZ	EBYU-IET Seismic network	Erzincan Binali Yildirim University, Institute of Earthquake Technologies (EBYU-IET), Türkiye	—	DOI
EY	Egyptian national seismological network	National Research Institute of Astronomy and Geophysics (NRIAG), Egypt		DOI
EX	EXTREMA Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	Italy	—
EW	ShakeAlert - Earthquake Early Warning System	United States Geological Survey (USGS), United States of America	California	—
EV	Collalto Seismic Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy	—	DOI
EU	Generic European Strong Motion Network	—	Europe	—
ET	CERI Southern Appalachian Seismic Network	University of Memphis, CERI, United States of America		—
ES	Spanish Digital Seismic Network	Instituto Geografico Nacional, Spain, Spain		DOI
ER	Mount Erebus Volcano Observatory Seismic Network	EarthScope Consortium, United States of America		DOI
EQ	Nevada Educational Seismic Network	University of Nevada Reno (UNR), United States of America	United States of America	—
EP	UTEP Seismic Network	University of Texas at El Paso (UTEP), United States of America		—
EO	EON-ROSE	University of Calgary, Canada		DOI
EN	CalEnergy Subnetwork	USGS Caltech, Pasadena, United States of America		—
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
EL	Enel Networks monitoring microsismic of Italian geothermal areas	Enel (Italy), Italy	—	DOI
EK	Red Vasca de Sismicidad	Ente Vasco de la Energia (EVE), Spain		DOI
EI	Irish National Seismic Network	Dublin Institute for Advanced Studies (DIAS), Ireland		DOI
EH	Ethiopian Seismic Network	Addis Ababa University, Ethiopia		DOI
EG	EUROSEISTEST Strong Motion Network	Aristotle University of Thessaloniki, Greece		DOI
EF	Réseau Accélérométrique National	Electricity of France (EDF), France		DOI
EE	Estonian National Seismic Network (EESN)	Geological Survey of Estonia (GSE), Estonia		DOI

Network Data API

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