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
SD Schlumberger Multiple Countries —
SO Scripps Orbit and Permanent Array Center
  • Scripps Institution of Oceanography (SIO)
 United States of America DOI
LV Seismic Data in North West of UK United Kingdom DOI
UD Seismic Network Main Center of Special Monitoring
DOI
FB Seismic Network of Federation of Bosnia and Herzegovina Bosnia and Herzegovina —
WS Seismic Network of Repuplika Srpska
  • Republicki Hidrometeorološki Zavod
 Bosnia and Herzegovina —
RU Seismic network of Russian Federation
  • Geophysical Survey of the Russian Academy of Sciences (GS RAS) (GSRAS)
 Russian Federation DOI
VG Seismic Network of the Indonesian Center for Volcanology and Geological Hazard Mitigation
DOI
SL Seismic Network of the Republic of Slovenia
DOI
QZ Seismic network of the Seismological Experience and Methodology Expedition CS MES RK
DOI
TT Seismic Network of Tunisia
—
SR Seismic Research Observatory
DOI
S Seismographs in Schools Network
  • Australian National University (ANU, Australia)
DOI
DU Seismological Association of Australia
  • Seismological Association of Australia Inc. (SAA)
DOI
HC Seismological Network of Crete
  • Technological Educational Institute of Crete
DOI
UE Seismological Network of United Arab Emirates United Arab Emirates —
OS Seismological Observatory, Brasilia Brazil Brazil —
SJ Serbian Seismological Network
DOI
SV Servicio Nacional de Estudios Territoriales (SNET), El Salvador
  • Servicio Nacional de Estudios Territoriales (SNET El Salvador)
—
G3 Servicio Sismologico IN3, UMG Guatemala, Centro America DOI
CW Servicio Sismologico Nacional de Cuba
DOI
EW ShakeAlert - Earthquake Early Warning System
  • U.S. Geological Survey
 California —
SH Shumagin-East Aleutian Network
  • Lamont Doherty Earth Observatory (LDEO), Columbia University
DOI
MS Singapore Seismological Network
—
SS SINGLE STATION
DOI
OG Sismalp
  • Observatoire de Grenoble, Grenoble
 France —
SK Slovak National Seismic Network
  • Geophysical Institute, Slovak Academy of Sciences
DOI
SW Solomon Islands Seismology & Volcanology Network
  • Solomon Islands Geoscience Observatory (Seismology Unit)
 Solomon Islands —
SQ South African National Seismograph Network
  • Council for Geoscience, Geological Survey (CG South Africa)
 — DOI
SP South Carolina Earth Physics Project
  • University of South Carolina
DOI
CO South Carolina Seismic Network
  • University of South Carolina
DOI
SE Southeastern Appalachian Cooperative Seismic Network
  • None
—
A1 Southern African Co-located Academic Network
  • Pangaea Geophyics and Geodesy Working Group
 South Africa —
CI Southern California Seismic Network
DOI
SN Southern Great Basin Network
  • University of Nevada, Reno
DOI
IG Southern Spain Broadband Seismic Network Spain —
ES Spanish Digital Seismic Network
  • Instituto Geografico Nacional, Spain
DOI
OZ SRC eqServer
—
UP Swedish National Seismic Network
  • Uppsala University
DOI
HF Swedish Seismic Array Network
  • Swedish Defence Research Agency (FOI)
—
CH Switzerland Seismological Network
DOI
SX SXNET Saxon Seismic Network
  • University of Leipzig
DOI
SY Synthetic Seismograms
  • IRIS DMC (Seattle)
—
TQ Taiwan multi-parametric environmental seismic monitoring network — DOI
VT Taiwan Volcano Observatory
  • Taiwan Volcano Observatory (TVO)
DOI
TJ Tajikistan National Seismic Network
  • Geophysical Survey of the National Academy of sciences of Tajikistan (GS NAST)
DOI
TO Tectonic Observatory - MASE, VEOX , PeruSE, CCSE
  • California Institute of Technology (Caltech)
DOI
TS TERRAscope (Southern California Seismic Network)
  • California Institute of Technology (Caltech)
—
TX Texas Seismological Network
DOI
TM Thai Seismic Monitoring Network
—

Network Data API

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