International Federation of Digital Seismograph Networks
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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
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
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
  • CERI - University of Memphis
—
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
DOI
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)
DOI
O2 Oklahoma Consolidated Temporary Seismic Networks
DOI
OA AusArray Transportable Array Australia —
OB Osservatorio Sismico "A. Bina" Italy —
OC Observatorio Sismológico CIGEOBIO CONICET
—
OE Austrian Seismic Network
DOI
OF European Multidisciplinary Seafloor and Water Column Observatory - France
—
OG Sismalp
  • Observatoire de Grenoble, Grenoble
 France —
OH Ohio Seismic Network
  • Ohio Geological Survey
DOI
OK Oklahoma Seismic Network
DOI
OL Cornegliano Laudense Seismic Network Italy DOI
OM Earthquake Monitoring Program of Oman
  • Sultan Qaboos University
 Oman —
ON Rede Sismográfica do Sul e do Sudeste
DOI
OO Ocean Observatories Initiative
  • Rutgers University
DOI
OQ Oklahoma Structural and Site Effects Network
  • Oklahoma State University (OSU USA)
DOI
OR OR - Reykjavik Energy — DOI
OS Seismological Observatory, Brasilia Brazil Brazil —
OT OTRIONS
DOI
OV Observatorio Vulcanológico y Sismológico de Costa Rica
  • Obsercatorio Vulcanológico y Sismológico de Costa Rica, Universidad Nacional (OVSICORI-UNA)
DOI
OW Ocean Networks Canada Onshore Network — DOI
OX North-East Italy Seismic Network
DOI
OY OGS Mobile LAB
DOI
OZ SRC eqServer
—
P1 Porto Corsini — DOI
PA ChiriNet
DOI
PB Plate Boundary Observatory Borehole Seismic Network
—
PC Panama Canal Network Panama —

Network Data API

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