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 (requires login)
Generate citations for network data

Network Code Network Name Operated By Deployment DOI
SW Solomon Islands Seismology & Volcanology Network
  • Solomon Islands Geoscience Observatory (Seismology Unit), Solomon Islands
Solomon Islands
SX SXNET Saxon Seismic Network
  • University of Leipzig, Germany
SY Synthetic Seismograms
  • IRIS DMC, United States of America
  • Regional Integrated Multi-Hazard Early Warning System (RIMES), Thailand
T Tonga Seismic Network
  • Institute of Physics of the Earth Masaryk University, Czechia
T3 Rete Accelerometrica Terna Italy
T4 Canakkale Onsekiz Mart University Earthquake Research Center
  • Canakkale Onsekiz Mart University (COMU), Türkiye
T5 Central Weather Administration Seismographic Network
  • Central Weather Administration
T9 TAMU Seismic Network
  • Texas A&M University, United States of America
TA USArray Transportable Array
TB MRC Earth and Marine Sciences Network
TC Red Sismológica Nacional de Costa Rica
  • Universidad de Costa Rica, Costa Rica
TD TransAlta Monitoring Network
  • TransAlta Corporation, Canada
TE EGAT Dams Seismic Monitoring System
  • Electricity Generating Authority of Thailand (EGAT), Thailand
Thailand DOI
TF Tajikistan National Seismic Network DOI
TG Royal Irrigation Department
  • Royal Irrigation Department (RID), Thailand
TH Thüringer Seismologisches Netz
  • Institut fuer Geowissenschaften, Friedrich-Schiller-Universitaet Jena, Germany
TI Centro Sismologico de America Central
  • Universidad de Costa Rica, Costa Rica
Costa Rica
TJ Tajikistan National Seismic Network
  • Geophysical Survey of the National Academy of sciences of Tajikistan (GS NAST), Tajikistan
TK Turkish National Strong Motion Network
TL Armutlu Local Seismic Network
  • Kocaeli University, Türkiye
TM Thai Seismic Monitoring Network
TN Eastern Tennessee Seismic Network
  • Joint Institute for Energy and the Evnironment, United States of America
United States of America
TO Tectonic Observatory - MASE, VEOX , PeruSE, CCSE
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)
TT Seismic Network of Tunisia
TU Turkish National Seismic Network
TV INGV experiments network
TW Broadband Array in Taiwan for Seismology
TX Texas Seismological Network
TY Dam Safety Monitoring Network DOI
TZ Ol Doinyo Lengai, TZ Volcano Monitoring
UA Caribbean Andesite Lava Island Precision Seismo-geodetic Observatory
  • University of Arkansas - Fayetteville, United States of America
UB University of Zimbabwe 1 Zimbabwe DOI
UC Colima Seismic Network
  • Universidad de Colima, Mexico
UD Seismic Network Main Center of Special Monitoring
UE Seismological Network of United Arab Emirates United Arab Emirates
UF Centro de Investigación de Resiliencia y Riesgos Multi-Amenazas DOI
UG Unocal Geothermal Northern California Network
  • Unocal Corporation, United States of America
United States of America
UH UH Infrasound Network
UI North Idaho Seismic Network
  • University of Idaho, United States of America
UK UK Schools Seismic Network
  • University of Leicester (SEIS UK), United Kingdom
UL USGS Low Frequency Geophysical Data Network
  • USGS Menlo Park, United States of America
UM University of Montana Seismic Network
  • University Of Montana, United States of America
UN Uganda National Seismological Network
  • Directorate of Geological Survey and Mines, Uganda (DGSM), Uganda
Uganda DOI
UO Pacific Northwest Seismic Network - University of Oregon
  • University of Oregon, United States of America

Network Data API

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