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
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	Insitute of Geology, Earthquake Engineering and Seismology of the NAST (IGEES NAST), Tajikistan	—	DOI
TG	Royal Irrigation Department	Royal Irrigation Department (RID), Thailand		DOI
TH	Thüringer Seismologisches Netz	Institut fuer Geowissenschaften, Friedrich-Schiller-Universitaet Jena, Germany		DOI
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		DOI
TK	Turkish National Strong Motion Network	Disaster and Emergency Management Authority (AFAD), Türkiye		DOI
TL	Armutlu Local Seismic Network	Kocaeli University, Türkiye		DOI
TM	Thai Seismic Monitoring Network	Earthquake Observation Division (EOD), Thailand Thai meteorological department (TMD), Thailand		DOI
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	California Institute of Technology (CIT), United States of America		DOI
TP	Rete di monitoraggio microsismico installata presso la concessione Gorgoglione	TOTAL E&P ITALIA S.P.A., Italy		—
TQ	Taiwan multi-parametric environmental seismic monitoring network	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany	—	DOI
TR	Eastern Caribbean Seismograph Network	University of the West Indies, Seismic Research Centre, Trinidad and Tobago		—
TS	TERRAscope (Southern California Seismic Network)	California Institute of Technology (CIT), United States of America		—
TT	Seismic Network of Tunisia	Institut National de la Météorologie, Tunis, Tunisia		—
TU	Turkish National Seismic Network	Disaster and Emergency Management Authority (AFAD), Türkiye		DOI
TV	INGV experiments network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy		—
TW	Broadband Array in Taiwan for Seismology	Institute of Earth Sciences, Academia Sinica, Taiwan (IESAS), Taiwan		DOI
TX	Texas Seismological Network	Bureau of Economic Geology, The University of Texas at Austin (BEG UTEXAS), United States of America		DOI
TY	Dam Safety Monitoring Network	Tennessee Valley Authority (TVA), United States of America	—	DOI
TZ	Ol Doinyo Lengai, TZ Volcano Monitoring	Colgate University, United States of America		DOI
UA	Caribbean Andesite Lava Island Precision Seismo-geodetic Observatory	University of Arkansas - Fayetteville, United States of America	Montserrat	—
UB	University of Zimbabwe 1	University of Zimbabwe (U.Z.), Zimbabwe	Zimbabwe	DOI
UC	Colima Seismic Network	Universidad de Colima, Mexico	Mexico	—
UD	Seismic Network Main Center of Special Monitoring	Main Center of Special Monitoring (MCSM), Ukraine		DOI
UE	Seismological Network of United Arab Emirates	National Center of Meteorology and Seismology, United Arab Emirates	United Arab Emirates	—
UF	Centro de Investigación de Resiliencia y Riesgos Multi-Amenazas	Pontificia Universidad Católica Madre y Maestra (PUCMM), Dominican Republic	—	DOI
UG	Unocal Geothermal Northern California Network	Unocal Corporation, United States of America	United States of America	—
UH	UH Infrasound Network	University of Hawaii (UH), United States of America		—
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		DOI
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		DOI
UP	Swedish National Seismic Network	Uppsala University, Sweden		DOI
UQ	UNSA Regional Seismic Network	Universidad Nacional de San Agustín de Arequipa - UNSA	—	DOI
UR	UKArray	British Geological Survey, United Kingdom	United Kingdom	DOI
US	United States National Seismic Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
UT	Ukrainian National Seismic Network	Subbotin Institute of Geophysics of National Academy of Sciences of Ukraine (IGPH), Ukraine	—	DOI
UU	University of Utah Regional Seismic Network	The University Of Utah, United States of America		DOI
UV	Red Sismológica del Suroccidente Colombiano	University of Valle, Colombia		DOI
UW	Pacific Northwest Seismic Network - University of Washington	University of Washington, United States of America		DOI
UX	Red Sismologica del Nororiente Colombiano	Industrial University of Santander (UIS), Colombia	—	DOI
UY	Observatorio Geofisico del Uruguay	Universidad de la Republica, Uruguay		DOI
UZ	Uzbekistan Digital Seismic Network	Republican Center Seismic and Forecasting Monitoring Uzbekistan (RCSFM MEC), Uzbekistan		DOI
V0	Venezia Railway District	Rete Ferroviaria Italiana (RFI) (RFI), Italy	—	DOI
VA	VAL D'AGRI NETWORK	Eni spa, Italy		DOI

Network Data API

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