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
LO	Observatorio Sismológico Politécnico Loyola	Instituto Politecnico Loyola		DOI
OC	Observatorio Sismológico CIGEOBIO CONICET	CONICET (OSCO)		—
UY	Observatorio Geofisico del Uruguay	Universidad de la Republica		DOI
VV	Observatorio Argentino de Vigilancia Volcánica	Servicio Geológico Minero Argentino (SEGEMAR)	Argentina	—
DJ	Observatoire Géophysique d'Arta	OGA (Observatoire Géophysique d'Arta (OGA)	Djibouti	DOI
KK	Ọbáfémi Awólówò University Digital Seismograph Network	Geology Department, Ọbáfémi Awólówò University, Ilé-Ifè, Osun State, Nigeria	Nigeria	—
NW	Northwestern University Seismic Network	Northwestern University		—
N0	North Osetia Regional Seismic Network of the Russian Federation	North Osetia Branch of the Geophysical Survey of the Russian Academy of Sciences	—	DOI
UI	North Idaho Seismic Network	University of Idaho		—
NF	North Fork Valley Seismic Network	National Institute for Occupational and Health (NIOSH WA,USA)	United States of America	—
FN	Northern Finland Seismological Network	Sodankyla Geophysical Observatory / University of Oulu (Finland)		—
AR	Northern Arizona Network	Northern Arizona University (NAU AEIC Arizona)		—
OX	North-East Italy Seismic Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS (OGS)		DOI
NI	North-East Italy Broadband Network	OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale) and University of Trieste (OGS & UniTS)		DOI
NB	Northeastern Brazil UFRN	Universidade Federal do Rio Grande do Norte (UFRN Brazil)		—
NO	NORSAR Station Network	NORSAR		DOI
NJ	Nigerian National Network of Seismographi Stations (NNNSS)	Centre for Geodesy and Geodynamics (CGG)		DOI
NU	Nicaraguan Seismic Network	Instituto Nicaraguense de Estudios Territoriales (INETER) (INETER)		DOI
N1	NGSA Seismic Network	Nigerian Geological Survey Agency (NGSA) University of Abuja	—	DOI
NZ	New Zealand National Seismograph Network	Institute of Geological & Nuclear Sciences Ltd (GNS New Zealand)		DOI
SC	New Mexico Tech Seismic Network	New Mexico Tech		—
NE	New England Seismic Network	Albuquerque Seismological Laboratory/USGS (ASL)		DOI
IC	New China Digital Seismograph Network	Albuquerque Seismological Laboratory/USGS (ASL)		DOI
ND	New CaleDonia Broadband Seismic Network	Centre IRD de Noumea, Nouvelle-Caledonie		DOI
NN	Nevada Seismic Network	University of Nevada, Reno (UNR)		DOI
EQ	Nevada Educational Seismic Network	University of Nevada, Reno (UNR)	United States of America	—
NQ	NetQuakes	U.S. Geological Survey		DOI
NL	Netherlands Seismic and Acoustic Network	Royal Netherlands Meteorological Institute (KNMI)		DOI
NV	NEPTUNE	Ocean Networks Canada (ONC)		DOI
NK	Nepal Kathmandu	National Seismological Centre (NSC)		DOI
AT	National Tsunami Warning Center Alaska Seismic Network	NOAA National Oceanic and Atmospheric Administration (USA)		DOI
RQ	National Seismic Network of URBAN-INCERC	Institutul Naţional de Cercetare-Dezvoltare in Construcţii Urbanism şi Dezvoltare Teritorială Durabilă (URBAN-INCERC)	—	DOI
IN	National Seismic Network of India	India Meteorological Department		—
GO	National Seismic Network of Georgia	Ilia State University- Seismic Monitoring Centre of Georgia (Georgia)		—
BS	National Seismic Network of Bulgaria	National Institute of Geophysics, Geodesy and Geography - BAS (NIGGG - BAS)		DOI
AB	National Seismic Network of Azerbaijan	Republic Center of Seismic Survey/Acad. of Sciences of Azerbaijan		—
RI	National Seismic Network of Argentina	Instituto Nacional de Prevención Sísmica (INPRES)	Argentina	—
HL	National Observatory of Athens Seismic Network	National Observatory of Athens, Institute of Geodynamics, Athens		DOI
RK	NASA READI Kinematic GPS	Central Washington University	United States of America	DOI
NR	NARS	Utrecht University (UU Netherlands)		DOI
NX	Nanometrics Research Network	Nanometrics Seismological Instruments		DOI
DE	Nanometrics Research Network	Nanometrics Seismological Instruments		—
MM	Myanmar National Seismic Network	Department of Meteorology and Hydrology - National Earthquake Data Center (DMH-NEDC)		DOI
TB	MRC Earth and Marine Sciences Network	TÜBITAK Marmara Research Center (MRC Turkey)		DOI
ER	Mount Erebus Volcano Observatory Seismic Network	New Mexico Tech		—
MO	Morocco Seismic Network	Institut National de Géophysique (CNRST), Rabat	Morocco	—
M1	MOravia NETwork	Institute of Physics of the Earth Masaryk University (Czech)		DOI
MV	Montserrat Volcano Observatory	University of the West Indies (Seismic Research Centre Trinidad)	Trinidad and Tobago	—
MC	Montserrat CALIPSO Borehole Network	University of Texas-Arlington		—
ME	Montenegrin Seismic Network	Sector for Seismology, Institute of Hydrometeorology and Seismology of Montenegro (IHMS)		DOI

Network Data API

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