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
PX Parkfield Experiment Array
  • Duke University, United States of America
 United States of America —
PC Panama Canal Network Panama —
PT Pacific Tsunami Warning Seismic System
DOI
UW Pacific Northwest Seismic Network - University of Washington
  • University of Washington, United States of America
DOI
UO Pacific Northwest Seismic Network - University of Oregon
  • University of Oregon, United States of America
DOI
PW Pacific Northwest Geodetic Array
  • Central Washington University, United States of America
 United States of America DOI
PS Pacific21
—
OT OTRIONS
DOI
LG OSSERVATORIO SISMICO "LUIGI PALMIERI"
DOI
OB Osservatorio Sismico "A. Bina" Italy —
OR OR - Reykjavik Energy — DOI
TZ Ol Doinyo Lengai, TZ Volcano Monitoring
DOI
OQ Oklahoma Structural and Site Effects Network
  • Oklahoma State University (OSU), United States of America
DOI
OK Oklahoma Seismic Network
DOI
O2 Oklahoma Consolidated Temporary Seismic Networks
DOI
OH Ohio Seismic Network
  • Ohio Geological Survey, United States of America
DOI
OY OGS Mobile LAB
DOI
OO Ocean Observatories Initiative
  • Rutgers University, United States of America
DOI
OW Ocean Networks Canada Onshore Network — DOI
OI Oceania International
  • USGS
 — DOI
OV Observatorio Vulcanológico y Sismológico de Costa Rica
  • Obsercatorio Vulcanológico y Sismológico de Costa Rica, Universidad Nacional (OVSICORI-UNA), Costa Rica
DOI
LO Observatorio Sismológico Politécnico Loyola
  • Instituto Politecnico Loyola, Dominican Republic
DOI
OC Observatorio Sismológico CIGEOBIO CONICET
—
UY Observatorio Geofisico del Uruguay
  • Universidad de la Republica, Uruguay
DOI
VV Observatorio Argentino de Vigilancia Volcánica Argentina —
DJ Observatoire Géophysique d'Arta Djibouti DOI
KK Ọbáfémi Awólówò University Digital Seismograph Network Nigeria —
NW Northwestern University Seismic Network
  • Northwestern University, United States of America
—
N0 North Osetia Regional Seismic Network of the Russian Federation
  • North Osetia Branch of the Geophysical Survey of the Russian Academy of Sciences, Russian Federation
 — DOI
UI North Idaho Seismic Network
  • University of Idaho, United States of America
—
NF North Fork Valley Seismic Network
  • National Institute for Occupational and Health (NIOSH), United States of America
 United States of America —
FN Northern Finland Seismological Network
DOI
AR Northern Arizona Network
—
OX North-East Italy Seismic Network
DOI
NI North-East Italy Broadband Network
  • Istituto Nazionale di Oceanografia e di Geofisica Sperimentale, University of Trieste (OGS & UniTS), Italy
DOI
NB Northeastern Brazil UFRN
  • Universidade Federal do Rio Grande do Norte (UFRN), Brazil
—
NO NORSAR Station Network
DOI
NJ Nigerian National Network of Seismographi Stations (NNNSS)
  • Centre for Geodesy and Geodynamics (CGG), Nigeria
DOI
LQ Niedersächsischer Erdbebendienst (NED) — —
NU Nicaraguan Seismic Network
DOI
N1 NGSA Seismic Network — DOI
NZ New Zealand National Seismograph Network
  • Institute of Geological & Nuclear Sciences Ltd (GNS), New Zealand
DOI
SC New Mexico Tech Seismic Network
  • New Mexico Tech, United States of America
DOI
NE New England Seismic Network
DOI
IC New China Digital Seismograph Network
DOI
ND New CaleDonia Broadband Seismic Network
  • Centre IRD de Noumea, Nouvelle-Caledonie, New Caledonia
DOI
NN Nevada Seismic Network
DOI
EQ Nevada Educational Seismic Network United States of America —
NQ NetQuakes
DOI
NL Netherlands Seismic and Acoustic Network
DOI

Network Data API

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