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
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
V1	Instrumented Site Explosive Volcanoes Indonesian Laboratory	Institut de Physique du Globe de Paris (IPGP), France	—	—
VA	VAL D'AGRI NETWORK	Eni spa, Italy		DOI
VB	Valencian Broadband Seismic Network	Institut Cartogràfic Valencià (Institut Cartogràfic Valencià), Spain University of Alicante (UA), Spain		DOI
VC	Red Nacional de Vigilancia Volcánica Chile (VC)	Servicio Nacional de Geología y Minería (SERNAGEOMIN), Chile		—
VD	High Agri Valley geophysical Observatory	Consiglio Nazionale delle Ricerche (CNR IMAA), Italy		DOI
VE	Red Sismológica Satelital Nacional	Fundación Venezolana de Investigaciones Sismológicas, Caracas (FUNVISIS), Venezuela		DOI
VG	Seismic Network of the Indonesian Center for Volcanology and Geological Hazard Mitigation	Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG), Indonesia		DOI
VI	Icelandic National Digital Seismograph Network	Icelandic Meteorological Office (IMO), Iceland		DOI
VK	California Volcano Observatory	United States Geological Survey (USGS), United States of America	—	DOI
VL	Vale Seismological Network (RSVL) / USP	Universidade de Sao Paulo, USP, Brazil		DOI
VM	Marche Seismic Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	DOI
VN	Voronezh Regional Seismic Network of the Russian Federation	Voronezh Laboratory of the Geophysical Survey of the Russian Academy of Sciences	—	DOI
VO	CAVONE SEISMIC NETWORK	Eni spa, Italy		DOI
VP	Programa de Instrumentación Sísmica (PINS)	Universidad Tecnológica de Panamá (UTP), Panama	—	DOI
VR	Virgo Interferometric Antenna for Gravitational Waves Detection	European Gravitational Observatory (ego), Italy		DOI
VS	Evora Seismic Network	University of Evora (UEVORA), Portugal		DOI
VT	Taiwan Volcano Observatory	Taiwan Volcano Observatory (TVO), Taiwan		DOI
VU	Vanuatu Seismic Network	Vanuatu Geoscience Observatory, Vanuatu		—
VV	Observatorio Argentino de Vigilancia Volcánica	Servicio Geológico Minero Argentino (SEGEMAR), Argentina	Argentina	—

Network Data API

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