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.

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Network Code Network Name Operated By Deployment DOI
HP University of Patras, Seismological Laboratory
  • University of Patras, Greece
DOI
6A (2020-2035) University of Potsdam Experimental 3D-3C Array
DOI
UU University of Utah Regional Seismic Network
DOI
UB University of Zimbabwe 1 Zimbabwe DOI
UG Unocal Geothermal Northern California Network
  • Unocal Corporation, United States of America
United States of America
UQ UNSA Regional Seismic Network
  • Universidad Nacional de San Agustín de Arequipa - UNSA
DOI
8J (2021-2022) UPFLOW
  • Instituto Português do Mar e da Atmosfera, I.P. (IPMA), Portugal
  • University College London (UCL), United Kingdom
DOI
X1 (2017-2018) Upper Geyser Basin Imaging Experiment FALL 2017
DOI
YE (2006-2006) Upper Geyser Basin Seismicity
RG Upper-Rhine Graben Geothermal Network
DOI
ZM (2003-2004) Uraban Seismology
7C (2021-2031) Urban Seismic Network DOI
1C (2009-2010) Urban Seismology 2
TA USArray Transportable Array
DOI
RE US Bureau of Reclamation Seismic Networks
  • U.S. State Department, United States of America
GM U.S. Geological Survey Networks
DOI
GS US Geological Survey Networks
DOI
5W (2022-2022) USGS CEUS SmartSolo Deployments DOI
1A (2023-2023) USGS Debris Flow Flume Seismic Monitoring
  • University of Oregon, United States of America
DOI
3F (2010-2010) USGS flume seismic monitoring
  • USGS Vancouver WA, United States of America
DOI
NT USGS Geomagnetism Program United States of America DOI
UL USGS Low Frequency Geophysical Data Network
  • USGS Menlo Park, United States of America
XU (2016-2029) USGS NEHRP Proposal 2016-0180 - Greeley
  • University of Colorado, United States of America
DOI
NC USGS Northern California Seismic Network
  • USGS Menlo Park, United States of America
DOI
MI USGS Northern Mariana Islands Network
  • USGS Alaska Anchorage, United States of America
DOI
ZZ (2015-2016) USGS Puerto Rico Trence
  • Woods Hole Oceanographic Institution (WHOI), United States of America
DOI
XA (2011-2011) Using Fault-Zone Trapped Waves to Document Subsuface Rock Damage Caused by the M6.3 Earthquake in Ne
  • University of Southern California (USC), United States of America
DOI
1B (2019-2019) Using passive seismics to determin a glacier sliding law
  • University of Wisconsin, Madison, United States of America
DOI
XO (2003-2004) US-Japan Collaborative Research: Multi-scale seismic imaging of the Mariana Subduction Factory
DOI
ZU (2020-2024) USMTArray South Magnetotelluric Time Series
DOI
ZI (2022-2025) Utah FORGE Long Term Seismic Borehole Monitoring DOI
5R (2022-2022) Utah FORGE Spring 2022 Nodal Array
  • University of Utah Seismograph Stations
DOI
EP UTEP Seismic Network
  • University of Texas at El Paso (UTEP), United States of America
ZJ (2017-2017) UTEP Source Test 2017
  • University of Texas at El Paso (UTEP), United States of America
DOI
YY (2017-2027) UTPMY
DOI
1U (2018-2022) Uturuncu volcano, Bolivia
  • Cornell University, United States of America
DOI
5O (2022-2023) UW-Madison 3D DAS@SURF DOI
ZK (2008-2008) UWTremTexBS - EarthScope Flex Array
  • University of Washington, United States of America
DOI
UZ Uzbekistan Digital Seismic Network
DOI
ZO (2013-2013) Vaigat United Kingdom
VA VAL D'AGRI NETWORK
DOI
X6 (2005-2006) Val d'Agri Seismic Network
VB Valencian Broadband Seismic Network
DOI
VL Vale SA Network
  • Universidade de Sao Paulo, USP, Brazil
Brazil DOI
4E (2019-2019) Valles 3C Node Transect
  • University of New Mexico (UNM), United States of America
DOI
Y5 (2021-2021) Valles Caldera and Gallina Fault Node Array 2021
  • University of New Mexico (UNM), United States of America
DOI
ZB (2024-2027) Vanderford-Totten Glacier System
  • University of Tasmania, Australia
VU Vanuatu Seismic Network
ZK (2014-2014) Vatnajokull Icequake and Tremor Array: Lite
  • University of Cambridge Earth Sciences, United Kingdom
Y3 (2012-2012) Vaughn-Lewis Icefall Seismicity Project
  • Stanford University, United States of America
DOI

Network Data API

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