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
ER	Mount Erebus Volcano Observatory Seismic Network	EarthScope Consortium, United States of America		DOI
ES	Spanish Digital Seismic Network	Instituto Geografico Nacional, Spain, Spain		DOI
ET	CERI Southern Appalachian Seismic Network	University of Memphis, CERI, United States of America		DOI
EU	Generic European Strong Motion Network	—	Europe	—
EV	Collalto Seismic Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy	—	DOI
EW	ShakeAlert - Earthquake Early Warning System	United States Geological Survey (USGS), United States of America	California	—
EX	EXTREMA Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	Italy	—
EY	Egyptian National Seismological Network	National Research Institute of Astronomy and Geophysics (NRIAG), Egypt		DOI
EZ	EBYU-IET Seismic network	Erzincan Binali Yildirim University, Institute of Earthquake Technologies (EBYU-IET), Türkiye	—	DOI
F0	Florence Railway District	Rete Ferroviaria Italiana (RFI) (RFI), Italy	—	DOI
F1	F1	Geoazur (Geoazur), France	—	DOI
F2	Universidad de La Frontera	Universidad de La Frontera (UFRO), Chile	—	DOI
FA	UCLA Seismic Network	UC Los Angeles (UCLA), United States of America		—
FB	Seismic Network of Federation of Bosnia and Herzegovina	Federal Hydrometeorological Institute, Bosnia and Herzegovina	Bosnia and Herzegovina	—
FC	Generic African Strong Motion Network	—	Africa	—
FE	Rete Microsismica FERRARA	Enel (Italy), Italy	—	DOI
FF	French Fiber Network	Géoazur, France	—	DOI
FG	Fallon Microearthquake Network	Geothermal Program Office/US Navy, United States of America	United States of America	—
FI	Seismo-acoustic Network of the University of Florence	University of Florence, Italy	—	DOI
FJ	Fiji Seismic Network	Mineral Resources Department Fiji (MRD), Fiji	—	DOI
FM	Formosa Array	Academia Sinica, Institute of Earth Sciences (IESAS), Taiwan		DOI
FN	Northern Finland Seismological Network	Sodankyla Geophysical Observatory / University of Oulu, Finland		DOI
FO	French Associated Seismological Network	European Plate Observing System France (Epos-France), France	France	DOI
FP	French Polynesia Seismic Network	Laboratoire De Geophysique (LDG), French Polynesia	—	—
FR	RESIF and other broad-band and accelerometric permanent networks in metropolitan France	European Plate Observing System France (Epos-France), France		DOI
FS	CEA seismic network of south-eastern France	Commissariat à l'Énergie Atomique et aux Énergies Alternatives (CEA), France	—	DOI
FV	Friuli and Veneto Short Period Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy		DOI
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
G0	Genova Railway District	Rete Ferroviaria Italiana (RFI) (RFI), Italy	—	DOI
G1	GEOTEM	GEOTEM (GEOTEM), Mexico		—
G2	GEOBEST Switzerland	Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland	—	DOI
G3	Red Sísmica del Servicio Sismológico de Guatemala	Instituto de Investigaciones de Ingeniería, Matemática y Ciencias Físicas (in3) de la Universidad Mariano Gálvez de Guatemala, Guatemala		DOI
G7	Goma Volcano Seismic Network	Goma Volcano Observatory (GVO), Congo, Democratic Republic of the	—	DOI
GA	GARNET Seismic Network	Geological Survey of Japan (GSJ AIST), Japan	Japan	—
GB	Great Britain Seismograph Network	British Geological Survey, United Kingdom		DOI
GC	UCLA Geonet Network	UC Los Angeles (UCLA), United States of America	United States of America	—
GD	Global Positioning System (GPS) Displacement Measurements	None,		—
GE	GEOFON	GEOFON Program (GFZ-Potsdam, Germany), Germany		DOI
GF	Geophysical borehole Observatory at the North Anatolian Fault	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		—
GG	Greenland Ice Sheet Monitoring Network	IRIS HQ, United States of America		DOI
GH	Ghana Digital Seismic Network	Ghana Geological Survey, Ghana		DOI
GI	Red Sismologica Nacional	Instituto Nacional de Sismologia, Vulcanologia, Meteorologia e Hidrologia (INSIVUMEH), Guatemala		DOI
GK	Historical British	British Geological Survey, United Kingdom	—	—
GL	Guadeloupe Seismic and Volcano Observatory Network	Institut de Physique du Globe de Paris (IPGP), France		DOI
GM	U.S. Geological Survey Networks	United States Geological Survey (USGS), United States of America		DOI
GN	Garni Dense Array	USGS Menlo Park, United States of America	Armenia	—
GO	National Seismic Network of Georgia	Ilia State University- Seismic Monitoring Centre of Georgia, Georgia		DOI
GP	GPS Data Products for Solid Earth Science	California Institute of Technology (CIT), United States of America	United States of America	—
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

Network Data API

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