International Federation of Digital Seismograph Networks

Network Codes

The following network codes are assigned by the FDSN to facilitate unique identifiers for seismological data streams.

Request a new network code
Generate citations for network data

Network Code Network Name Operated By Deployment DOI
N1 NGSA Seismic Network DOI
N4 Central and Eastern US Network
DOI
NA Caribbean Netherlands Seismic Network
DOI
NB Northeastern Brazil UFRN
  • Universidade Federal do Rio Grande do Norte (UFRN Brazil)
NC USGS Northern California Network
  • USGS Menlo Park
DOI
ND New CaleDonia Broadband Seismic Network
  • Centre IRD de Noumea, Nouvelle-Caledonie
DOI
NE New England Seismic Network
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
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
DOI
NL Netherlands Seismic and Acoustic Network
DOI
NM Cooperative New Madrid Seismic Network
  • Saint Louis University
NN Nevada Seismic Network
DOI
NO NORSAR Station Network
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
DOI
NT USGS Geomagnetism Program United States of America DOI
NU Nicaraguan Seismic Network
DOI
NV NEPTUNE Canada
NW Northwestern University Seismic Network
  • Northwestern University
NX Nanometrics Research Network
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)

Network Data API

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