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
N0	North Osetia Regional Seismic Network of the Russian Federation	North Osetia Branch of the Geophysical Survey of the Russian Academy of Sciences, Russian Federation	—	DOI
N1	NGSA Seismic Network	Nigerian Geological Survey Agency (NGSA), Nigeria University of Abuja, Nigeria	—	DOI
N4	Central and Eastern US Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
NA	Caribbean Netherlands Seismic Network	Royal Netherlands Meteorological Institute (KNMI), Netherlands		DOI
NB	Northeastern Brazil UFRN	Universidade Federal do Rio Grande do Norte (UFRN), Brazil		—
NC	USGS Northern California Seismic Network	USGS Menlo Park, United States of America		DOI
ND	New CaleDonia Broadband Seismic Network	Centre IRD de Noumea, Nouvelle-Caledonie, New Caledonia		DOI
NE	New England Seismic Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
NF	North Fork Valley Seismic Network	National Institute for Occupational and Health (NIOSH), United States of America	United States of America	—
NG	Reserved for Papua New Guinea Seismic Network	—	—	—
NH	Geological Survey of North Rhine - Westphalia	Geological Survey of North Rhine - Westphalia (GD NRW), Germany		—
NI	North-East Italy Broadband Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale, University of Trieste (OGS & UniTS), Italy		DOI
NJ	Nigerian National Network of Seismographi Stations (NNNSS)	Centre for Geodesy and Geodynamics (CGG), Nigeria		DOI
NK	Nepal Kathmandu	National Seismological Centre (NSC), Nepal		DOI
NL	Netherlands Seismic and Acoustic Network	Royal Netherlands Meteorological Institute (KNMI), Netherlands		DOI
NM	Cooperative New Madrid Seismic Network	CERI - University of Memphis		—
NN	Nevada Seismic Network	University of Nevada Reno (UNR), United States of America		DOI
NO	NORSAR Station Network	NORSAR, Norway		DOI
NP	United States National Strong-Motion Network	U.S. Geological Survey, United States of America		DOI
NQ	NetQuakes	U.S. Geological Survey, United States of America		DOI
NR	NARS	Utrecht University (UU), Netherlands		DOI
NS	University of Bergen Seismic Network	University of Bergen (UiB Norway), Norway		DOI
NT	USGS Geomagnetism Program	U.S. Geological Survey, United States of America	United States of America	DOI
NU	Nicaraguan Seismic Network	Instituto Nicaraguense de Estudios Territoriales (INETER), Nicaragua		DOI
NV	NEPTUNE	Ocean Networks Canada (ONC), Canada		DOI
NW	Northwestern University Seismic Network	Northwestern University, United States of America		—
NX	Nanometrics Research Network	Nanometrics Seismological Instruments, Canada		DOI
NY	Yukon-Northwest Seismic Network	University of Ottawa, Canada		DOI
NZ	New Zealand National Seismograph Network	Institute of Geological & Nuclear Sciences Ltd (GNS), New Zealand		DOI

Network Data API

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