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