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 Operated By Deployment DOI
N4 Central and Eastern US Network
  • UC San Diego
United States of America DOI
NA Caribbean Netherlands Seismic Network Caribbean Netherlands DOI
NB Northeastern Brazil UFRN
  • Universidade Federal do Rio Grande do Norte (UFRN Brazil)
NC USGS Northern California 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 North East United States 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 Germany
NI North-East Italy Broadband Network
  • OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale) and 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 Nepal DOI
NL Netherlands Seismic and Acoustic Network Netherlands DOI
NM Cooperative New Madrid Seismic Network
  • Saint Louis University
United States of America
NN Nevada Seismic Network United States of America DOI
NO Norwegian Seismic Array Network Norway
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
  • Utrecht University (UU Netherlands)
Multiple Countries DOI
NS Norwegian National Seismic Network
  • University of Bergen (UiB Norway) Inst of Geophysics
NT USGS Geomagnetism Program United States of America DOI
NU Nicaraguan Seismic Network Nicaragua DOI
NV NEPTUNE Canada Canada
NW Northwestern University Seismic Network
  • Northwestern University
United States of America
NX Nanometrics Research Network Canada DOI
NY Yukon-Northwest Seismic Network
  • University of Ottawa (uOttawa Canada)
Canada DOI
NZ New Zealand National Seismograph Network
  • Institute of Geological & Nuclear Sciences Ltd (GNS New Zealand)
New Zealand
  • 27 networks

Network Data API

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