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
XY (2018-2025) Stations deployed for Risk Model Switzerland
  • ETHZ (Swiss Federal Institute of Technology, Zurich Switzerland)
DOI
X8 (2007-2010) Studies of Earthquakes & Rapid Motions of Ice
  • Lamont Doherty Earth Observatory (LDEO), Columbia University
United States of America
XI (1998-1999) Study of Changbai Volcanoes and Deep Subduction Zone
DOI
XE (2015-2015) Study of the Socorro Magma Body
  • New Mexico Tech
DOI
X2 (2013-2014) Sunset Seismic Experiment
XI (2011-2013) Superior Province Rifting Earthscope Experiment
  • Northwestern University
DOI
XG (2019-2019) Svalbard - Vallunden
  • Universite Joseph Fourier - Grenoble (LGIT-UJF-France)
DOI
XB (2014-2014) Sweetwater Array
  • IRIS PASSCAL Instrument Center @ New Mexico Tech
DOI
XV (2001-2001) Tacoma Array
  • USGS Menlo Park
XI (2003-2004) TAG Hydrothermal Mound Passive Seismic Experiment
  • Woods Hole Oceanographic Institution (WHOI)
X3 (2006-2006) TAIGER active source explosion pilot test
  • University of Southern California (USC)
DOI
XM (2022-2024) TANGO-BB
  • University of Arizona
DOI
XN (2022-2024) TANGO-Node
  • University of Arizona
DOI
XD (1991-1992) Tararua BB Array, New Zealand
  • None
X2 (2017-2019) Tarim Array for lithoSpheric signaTure of mantle plumE
DOI
XP (1998-1998) TaskForce Adana 1998
  • GEOFON Program (GFZ-Potsdam, Germany)
XU (2002-2002) TaskForce Alsdorf 2002
  • GEOFON Program (GFZ-Potsdam, Germany)
Germany
XN (2006-2006) TaskForce_Java
  • GEOFON Program (GFZ-Potsdam, Germany)
XA (2004-2007) Taylor Glacier Calving, Collaborative Research: Mechanics of Dry-Land Calving of Ice Glaciers
DOI
XK (1997-1997) Teleseismic Studies in the Western Superior Transect, Canada
DOI
X6 (2021-2023) Temporary deployments on Mt. Zugspitze (Germany) for permafrost investigations
  • Ludwig Maximillians Universitat Munchen (LMU-Germany)
DOI
XK (2020-2020) Temporary network seismic in Central Calabria
XX (2013-2599) Test and non-distributed data only
DOI
X4 (2010-2014) Texas Gulf Coastal Plain, USA
  • Baylor University
  • Texas Tech University
DOI
XA (2017-2023) The Caucasus Seismic Network: The Uplift and Structure of the Greater and Lesser Caucasus
  • University of Missouri (MU) (Mizzou)
DOI
XY (2017-2017) The Central Iberian Mountain Range a Key Asset to the Deformation Mechanisms of Iberia
DOI
XR (2001-2002) The Florida to Edmonton Broadband Experiment
DOI
XF (2020-2020) The GEYER seismic network DOI
XO (1997-1999) The Origins of Mantle Anisotropy beneath Eastern North America
  • Brown University
DOI
XJ (1997-1997) The Sierran Paradox Experiment
DOI
XC (1991-1992) Tibetan Plateau Passive-Source Experiment
DOI
XE (2008-2008) TICO-CAVA
  • Woods Hole Oceanographic Institution (WHOI)
United States of America
X4 (2004-2005) TIPTEQ-Seismology (South)
  • Universitat Potsdam
XM (1997-1997) TOMOG 3D
XJ (2007-2007) Tomo TEIDEVS
  • University of Liverpool
XT (2001-2002) Tonga-Fiji Dual Array Experiment
DOI
XN (1994-1995) TOR-0
  • GEOFON Program (GFZ-Potsdam, Germany)
Germany
XE (2002-2002) Torfajokull 2002
  • Nordic Volcanological Institute (NORDVULK Iceland)
X1 (2021-2023) Tour Perret network
DOI
XH (1998-1999) TransAlp-1
  • GEOFON Program (GFZ-Potsdam, Germany)
Germany
XU (1999-2000) Trans-Antarctic
  • Institute of Geological and Nuclear Science (GNS - New Zealand)
XS (2015-2015) Trinity River Lowden Ranch Array 2015
  • University of New Mexico (UNM)
XR (2018-2022) Tripartite-BIMA (Bangladesh-India-Myanmar Array)
  • University of Missouri (MU) (Mizzou)
DOI
XT (2021-2022) TSARMINE rocky glacier monitoring
XS (2004-2004) Tungurahua 2004
XG (2021-2022) Two-station Seismic Noise and Signal Site Survey in Uzbekistan
  • Scripps Institution of Oceanography
DOI
XB (1989-1990) UC Mammoth/Long Valley network
  • None
XG (2012-2013) Underground Array
  • University of Minnesota-Twin Cities
United States of America
XF (2014-2016) Understanding Precambrian to Present Assembly of Greenland
  • Columbia University
DOI
X3 (2007-2011) Understanding the current thinning and accelerration of the Jakobshavns Isbrae, Greenland
  • University of Alaska, Fairbanks (UAF, AK USA)
DOI

Network Data API

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