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
FA UCLA Seismic Network
  • UC Los Angeles (UCLA)
—
GC UCLA Geonet Network
  • UC Los Angeles (UCLA)
 United States of America —
TK Turkish National Strong Motion Network
DOI
TU Turkish National Seismic Network
DOI
ST Trentino Seismic Network
DOI
TD TransAlta Monitoring Network
  • TransAlta Corporation
—
LT Timor Leste Seismic Network
  • Other
DOI
TH Thüringer Seismologisches Netz
  • Institut fuer Geowissenschaften, Friedrich-Schiller-Universitaet Jena
DOI
WU The Southern Ontario Seismic Network
—
TM Thai Seismic Monitoring Network
—
TX Texas Seismological Network
DOI
TS TERRAscope (Southern California Seismic Network)
  • California Institute of Technology (Caltech)
—
TO Tectonic Observatory - MASE, VEOX , PeruSE, CCSE
  • California Institute of Technology (Caltech)
DOI
T9 TAMU Seismic Network
  • Texas A&M University
 — DOI
TF Tajikistan National Seismic Network — DOI
TJ Tajikistan National Seismic Network
  • Geophysical Survey of the National Academy of sciences of Tajikistan (GS NAST)
DOI
VT Taiwan Volcano Observatory
  • Taiwan Volcano Observatory (TVO)
DOI
TQ Taiwan multi-parametric environmental seismic monitoring network — DOI
SY Synthetic Seismograms
  • IRIS DMC (Seattle)
—
SX SXNET Saxon Seismic Network
  • University of Leipzig
DOI
CH Switzerland Seismological Network
DOI
HF Swedish Seismic Array Network
  • Swedish Defence Research Agency (FOI)
—
UP Swedish National Seismic Network
  • Uppsala University
DOI
OZ SRC eqServer
—
ES Spanish Digital Seismic Network
  • Instituto Geografico Nacional, Spain
DOI
IG Southern Spain Broadband Seismic Network Spain —
SN Southern Great Basin Network
  • University of Nevada, Reno
DOI
CI Southern California Seismic Network
DOI
A1 Southern African Co-located Academic Network
  • Pangaea Geophyics and Geodesy Working Group
 South Africa —
SE Southeastern Appalachian Cooperative Seismic Network
  • None
—
CO South Carolina Seismic Network
  • University of South Carolina
DOI
SP South Carolina Earth Physics Project
  • University of South Carolina
DOI
SQ South African National Seismograph Network
  • Council for Geoscience, Geological Survey (CG South Africa)
 — DOI
SW Solomon Islands Seismology & Volcanology Network
  • Solomon Islands Geoscience Observatory (Seismology Unit)
 Solomon Islands —
SK Slovak National Seismic Network
  • Geophysical Institute, Slovak Academy of Sciences
DOI
OG Sismalp
  • Observatoire de Grenoble, Grenoble
 France —
SS SINGLE STATION
DOI
MS Singapore Seismological Network
—
SH Shumagin-East Aleutian Network
  • Lamont Doherty Earth Observatory (LDEO), Columbia University
DOI
EW ShakeAlert - Earthquake Early Warning System
  • U.S. Geological Survey
 California —
CW Servicio Sismologico Nacional de Cuba
DOI
G3 Servicio Sismologico IN3, UMG Guatemala, Centro America DOI
SV Servicio Nacional de Estudios Territoriales (SNET), El Salvador
  • Servicio Nacional de Estudios Territoriales (SNET El Salvador)
—
SJ Serbian Seismological Network
DOI
S8 SensorEra Seismic Network — DOI
OS Seismological Observatory, Brasilia Brazil Brazil —
UE Seismological Network of United Arab Emirates United Arab Emirates —
HC Seismological Network of Crete
  • Technological Educational Institute of Crete
DOI
DU Seismological Association of Australia
  • Seismological Association of Australia Inc. (SAA)
DOI
S Seismographs in Schools Network
  • Australian National University (ANU, Australia)
DOI

Network Data API

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