International Federation of Digital Seismograph Networks

Network Codes

The following network codes are assigned by the FDSN archive (IRIS DMC) to provide uniqueness to seismological data streams.

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network code network name network operator operator country deployment country/region DOI
N4 Central and Eastern US Network UC San Diego US: United States United States DOI
NA Caribbean Netherlands Seismic Network Royal Netherlands Meteorological Institute (KNMI) NL: Netherlands Caribbean Netherlands DOI
NB Northeastern Brazil UFRN Universidade Federal do Rio Grande do Norte (UFRN Brazil) BR: Brazil Brazil
NC USGS Northern California Network USGS Menlo Park US: United States United States DOI
ND New CaleDonia Broadband Seismic Network Centre IRD de Noumea, Nouvelle-Caledonie NC: New Caledonia New Caledonia DOI
NE New England Seismic Network Albuquerque Seismological Laboratory (ASL)/USGS US: United States North East United States DOI
NF North Fork Valley Seismic Network National Institute for Occupational and Health (NIOSH WA,USA) US: United States United States
NG Reserved for Papua New Guinea Seismic Network
NH Geological Survey of North Rhine - Westphalia Geological Survey of North Rhine - Westphalia (GD NRW) DE: Germany Germany
NI North-East Italy Broadband Network OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale) and University of Trieste (OGS & UniTS) IT: Italy Italy DOI
NJ Nigerian National Network of Seismographi Stations (NNNSS) Centre for Geodesy and Geodynamics (CGG) NG: Nigeria Nigeria DOI
NL Netherlands Seismic and Acoustic Network Royal Netherlands Meteorological Institute (KNMI) NL: Netherlands Netherlands DOI
NM Cooperative New Madrid Seismic Network Saint Louis University US: United States United States
NN Nevada Seismic Network University of Nevada (UNR Reno) US: United States United States DOI
NO Norwegian Seismic Array Network Norwegian Seismic Array (NORSAR) NO: Norway Norway
NP United States National Strong-Motion Network USGS Earthquake Science Center US: United States United States DOI
NQ NetQuakes USGS Earthquake Science Center US: United States United States DOI
NR NARS Array Utrecht University (UU Netherlands) NL: Netherlands Mexico
NS Norwegian National Seismic Network University of Bergen (UiB Norway) Inst of Geophysics NO: Norway Norway
NT USGS Geomagnetism Program USGS US: United States United States
NU Nicaraguan Seismic Network Instituto Nicaraguense de Estudios Territoriales (INETER) (INETER) NI: Nicaragua Nicaragua DOI
NV Neptune Canada Geological Survey of Canada CA: Canada Canada
NW Northwestern University Seismic Network Northwestern University US: United States United States
NX Nanometrics Research Network Nanometrics Seismological Instruments CA: Canada Canada DOI
NY Yukon-Northwest Seismic Network University of Ottawa (uOttawa Canada) CA: Canada Canada DOI
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