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
1O (2019-2020) Turbo Wave Experiment
  • University of North Carolina at Chapel Hill (UNC), United States of America
DOI
9A (2019-2020) TurboWave I and II
  • Sandia National Laboratories, United States of America
DOI
6R (2019-2021) Turkana Rift Arrays to Investigate Lithospheric Strains - UK component
  • Imperial College London, United Kingdom
DOI
XG (2021-2022) Two-station Seismic Noise and Signal Site Survey in Uzbekistan
  • Scripps Institution of Oceanography (SIO), United States of America
DOI
4K (2014-2016) UAE transects across the Semail Ophiolite
DOI
YP (2019-2025) UBCISM
  • University of British Columbia (UBC), Canada
DOI
XB (1989-1990) UC Mammoth/Long Valley network
  • None,
1B (2006-2008) UGANDA
  • University of Frankfurt, Germany
1K (2017-2019) UIB-Heimaey
1D (2016-2018) UKANET: UK Antarctic Network
DOI
ZM (2014-2015) UKFLUV14
DOI
2G (2022-2026) UK-PE1 Arrays
  • Blacknest (AWE), United Kingdom
DOI
XG (2012-2013) Underground Array
  • University of Minnesota-Twin Cities, United States of America
United States of America
XF (2014-2016) Understanding Precambrian to Present Assembly of Greenland
DOI
X3 (2007-2011) Understanding the current thinning and accelerration of the Jakobshavns Isbrae, Greenland
  • University of Alaska, Fairbanks (UAF), United States of America
DOI
YA (2009-2011) Undervolc
  • Observatoire de Grenoble, Grenoble, France
DOI
XG (2016-2016) Universidad Tecnica de Ambato
DOI
5L (2023-2023) University of Chicago Educational, Faculty Development and Outreach Seismic Experiment
  • University of Chicago
DOI
6A (2020-2035) University of Potsdam Experimental 3D-3C Array
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
ZM (2003-2004) Uraban Seismology
7C (2021-2031) Urban Seismic Network DOI
1C (2009-2010) Urban Seismology 2
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
XU (2016-2029) USGS NEHRP Proposal 2016-0180 - Greeley
  • University of Colorado, 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 (2020-2023) 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
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
ZO (2013-2013) Vaigat United Kingdom
X6 (2005-2006) Val d'Agri Seismic Network
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
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
7W (2022-2023) VECTOR seismic array in the Irish Midlands
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
XM (2004-2004) Vestmanna04 (SeiFaBa Project)
  • University of Cambridge Earth Sciences, United Kingdom

Network Data API

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