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
CJ	Community Seismic Network	California Institute of Technology (CIT), United States of America		DOI
QM	Comoros Archipelago Seismic and Volcano Network	Institut de Physique du Globe de Paris (IPGP), France		DOI
NM	Cooperative New Madrid Seismic Network	CERI - University of Memphis		—
CL	Corinth Riff Laboratory	Institut de Sciences de l'Univers (CNRS-INSU), France		DOI
OL	Cornegliano Laudense Seismic Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy	Italy	DOI
CG	Coso Microearthquake Network	Geothermal Program Office/US Navy, United States of America	United States of America	—
HR	Croatian Research Seismic Network	University of Zagreb, Croatia	—	—
CR	Croatian Seismograph Network	University of Zagreb, Croatia		DOI
WC	Curacao Seismic Network	Meteorologische Dienst Curacao, Curaçao		—
CQ	Cyprus Broadband Seismological Network	Geological Survey Department Cyprus, Cyprus		DOI
C9	Czech Microbarograph Network	Institute of Atmospheric Physics of the Czech Academy of Sciences	Czechia	DOI
CZ	Czech Regional Seismic Network	Charles University in Prague, Czechia Institute of Geonics (IGN), Czechia Institute of Geophysics, Academy of Sciences of the Czech Republic, Czechia Institute of Physics of the Earth Masaryk University, Czechia Institute of Rock Structure and Mechanics (IRSM AS CR), Czechia		DOI
DA	Dagestan Regional Seismic Network of the Russian Federation	Geophysical Survey of the Russian Academy of Sciences (GSRAS), Russian Federation	—	DOI
DG	Dam Gallery	Kurichhu Hydropower Plant (KHP), Bhutan	Bhutan	DOI
TY	Dam Safety Monitoring Network	Tennessee Valley Authority (TVA), United States of America	—	DOI
DK	Danish Seismological Network	GEUS Geological Survey of Denmark and Greenland, Denmark		DOI
DY	David Glacier Italian Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	DOI
KD	Decentralized onsite earthquake early warning network Bishkek (Kyrgyzstan)	Central Asian Institute for Applied Geosciences, Kyrgyzstan		DOI
DO	Dense Oceanfloor Network System for Earthquakes & Tsunamis	Japan Marine Science and Technology Center (JAMSTEC), Japan	Japan	—
DW	Digital World-Wide Standardized Seismograph Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
DL	DLR/ESA LUNA Facility Seismic Network	German Aerospace Center (DLR), Germany	—	DOI
DH	DOHAD	Research Association on Planateral Acitivities of Nature (DOHAD), Türkiye	Türkiye	—
DM	Dominica Public Seismic Network	Public Seismic Network, Dominica		DOI
DN	Dubai Seismological Network	Dubai Municipality, United Arab Emirates	United Arab Emirates	—
OM	Earthquake Monitoring Program of Oman	Sultan Qaboos University, Oman	Oman	—
TR	Eastern Caribbean Seismograph Network	University of the West Indies, Seismic Research Centre, Trinidad and Tobago		—
TN	Eastern Tennessee Seismic Network	Joint Institute for Energy and the Evnironment, United States of America	United States of America	—
RH	East-European Craton Broadband Seismic Network	Sadovsky Institute of Geosphere Dynamics (IDG RAS), Russian Federation Schmidt Institute of Physics of the Earth (IPE RAS), Russian Federation	—	—
EB	Ebre Observatory Regional Seismic Network	Observatori de l'Ebre, Tarragona, Spain		DOI
EZ	EBYU-IET Seismic network	Erzincan Binali Yildirim University, Institute of Earthquake Technologies (EBYU-IET), Türkiye	—	DOI
EC	Ecuador Seismic Network	Instituto Geofisico Escuela Politecnica Nacional (IG-EPN), Ecuador		—
ED	Educational Seismological Network	GeoAzur, France	France	—
TE	EGAT Dams Seismic Monitoring System	Electricity Generating Authority of Thailand (EGAT), Thailand	Thailand	DOI
EY	Egyptian national seismological network	National Research Institute of Astronomy and Geophysics (NRIAG), Egypt		DOI
A4	Egyptian national Strong motion network	National Research Institute of Astronomy and Geophysics (NRIAG), Egypt	—	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
EL	Enel Networks monitoring microsismic of Italian geothermal areas	Enel (Italy), Italy	—	DOI
EO	EON-ROSE	University of Calgary, Canada		DOI
QE	Equinor	Equinor, Norway	—	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
EE	Estonian National Seismic Network (EESN)	Geological Survey of Estonia (GSE), Estonia		DOI
EH	Ethiopian Seismic Network	Addis Ababa University, Ethiopia		DOI
OF	European Multidisciplinary Seafloor and Water Column Observatory - France	CNRS (Centre National Recherche Scientifique), France		—
EG	EUROSEISTEST Strong Motion Network	Aristotle University of Thessaloniki, Greece		DOI
VS	Evora Seismic Network	University of Evora (UEVORA), Portugal		DOI
EX	EXTREMA Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	Italy	—
F1	F1	Geoazur (Geoazur), France	—	DOI
FG	Fallon Microearthquake Network	Geothermal Program Office/US Navy, United States of America	United States of America	—
HE	Finnish National Seismic Network	University of Helsinki, Finland		DOI
FM	Formosa Array	Academia Sinica, Institute of Earth Sciences (IESAS), Taiwan		DOI

Network Data API

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