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
SD Schlumberger Multiple Countries
SE Southeastern Appalachian Cooperative Seismic Network
  • None
SF San Andreas Fault Observatory at Depth
  • Stanford University
SG International Geodynamics and Earth Tide Service
  • Multiple Operators
DOI
SH Shumagin-East Aleutian Network
  • Lamont Doherty Earth Observatory (LDEO), Columbia University
DOI
SI Province Südtirol
  • ZAMG - Central Institute for Meteorology and Geodynamics
SJ Serbian Seismological Network
DOI
SK Slovak National Seismic Network
  • Geophysical Institute, Slovak Academy of Sciences
DOI
SL Seismic Network of the Republic of Slovenia
DOI
SM Icelandic Strong Motion Network
  • University of Iceland
Iceland
SN Southern Great Basin Network
  • University of Nevada, Reno
DOI
SO Scripps Orbit and Permanent Array Center
  • Scripps Institution of Oceanography (SIO)
United States of America 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
SR Seismic Research Observatory
DOI
SS SINGLE STATION
DOI
ST Trentino Seismic Network
DOI
SU Sandia Seismo-Acoustic Network
  • Sandia National Laboratories
United States of America
SV Servicio Nacional de Estudios Territoriales (SNET), El Salvador
  • Servicio Nacional de Estudios Territoriales (SNET El Salvador)
SW Solomon Islands Seismology & Volcanology Network
  • Solomon Islands Geoscience Observatory (Seismology Unit)
Solomon Islands
SX SXNET Saxon Seismic Network
  • University of Leipzig
DOI
SY Synthetic Seismograms
  • IRIS DMC (Seattle)
SZ RIMES
  • Regional Integrated Multi-Hazard Early Warning System (RIMES Thailand)
DOI
T1 IPE_ETE
  • Institute of Physics of the Earth Masaryk University (Czech)
DOI
T3 Rete Accelerometrica Terna Italy
T4 Canakkale Onsekiz Mart University Earthquake Research Center
  • Canakkale Onsekiz Mart University (COMU Turkey)
T5 Central Weather Bureau Seismographic Network
  • Central Weather Bureau (CWB, Taiwan)
DOI
TA USArray Transportable Array
DOI
TB MRC Earth and Marine Sciences Network
DOI
TC Red Sismológica Nacional de Costa Rica
  • Universidad de Costa Rica
DOI
TD TransAlta Monitoring Network
  • TransAlta Corporation
TE EGAT Dams Seismic Monitoring System
  • Electricity Generating Authority of Thailand (EGAT)
Thailand DOI
TG Royal Irrigation Department
  • Royal Irrigation Department (RID)
DOI
TH Thüringer Seismologisches Netz
  • Institut fuer Geowissenschaften, Friedrich-Schiller-Universitaet Jena
DOI
TI Centro Sismologico de America Central
  • Universidad de Costa Rica
Costa Rica
TJ Tajikistan National Seismic Network
  • Geophysical Survey of the National Academy of sciences of Tajikistan (GS NAST)
DOI
TK Turkish National Strong Motion Network
DOI
TL Armutlu Local Seismic Network
  • Kocaeli University
TM Thai Seismic Monitoring Network
TN Eastern Tennessee Seismic Network
  • Joint Institute for Energy and the Evnironment
United States of America
TO Tectonic Observatory - MASE, VEOX , PeruSE, CCSE
  • California Institute of Technology (Caltech)
DOI
TP Rete di monitoraggio microsismico installata presso la concessione Gorgoglione
TQ Taiwan multi-parametric environmental seismic monitoring network DOI
TR Eastern Caribbean Seismograph Network
TS TERRAscope (Southern California Seismic Network)
  • California Institute of Technology (Caltech)
TT Seismic Network of Tunisia
TU Turkish National Seismic Network
DOI
TV INGV experiments network
TW Broadband Array in Taiwan for Seismology
DOI
TX Texas Seismological Network
DOI

Network Data API

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