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
UN Uganda National Seismological Network
  • Directorate of Geological Survey and Mines, Uganda (DGSM)
Uganda DOI
1B (2006-2008) UGANDA
  • University of Frankfurt
HY UEH Seismic Network DOI
SB UC Santa Barbara Engineering Seismology Network
  • UC Santa Barbara
DOI
XB (1989-1990) UC Mammoth/Long Valley network
  • None
FA UCLA Seismic Network
  • UC Los Angeles (UCLA)
GC UCLA Geonet Network
  • UC Los Angeles (UCLA)
United States of America
YP (2019-2025) UBCISM
  • University of British Columbia (UBC Canada)
DOI
4K (2014-2016) UAE transects across the Semail Ophiolite
DOI
XG (2021-2022) Two-station Seismic Noise and Signal Site Survey in Uzbekistan
  • Scripps Institution of Oceanography
DOI
TK Turkish National Strong Motion Network
DOI
TU Turkish National Seismic Network
DOI
6R (2019-2021) Turkana Rift Arrays to Investigate Lithospheric Strains - UK component
  • Imperial College London (Imperial UK)
DOI
9A (2019-2020) TurboWave I and II
  • Sandia National Laboratories
DOI
1O (2019-2020) Turbo Wave Experiment
  • University of North Carolina at Chapel Hill
DOI
8A (2013-2013) Tungurahua July 2013 Temporary
DOI
XS (2004-2004) Tungurahua 2004
3G (2007-2016) TÜBITAK Marmara Research Center Earth Sciences Institution Network
DOI
XT (2021-2022) TSARMINE rocky glacier monitoring
3K (2016-2019) TROODOS: Tomography and Receiver function Observations of an Ophiolite using Data Obtained from Seismology
  • Imperial College London (Imperial UK)
DOI
XR (2018-2022) Tripartite-BIMA (Bangladesh-India-Myanmar Array)
  • University of Missouri (MU) (Mizzou)
DOI
XS (2015-2015) Trinity River Lowden Ranch Array 2015
  • University of New Mexico (UNM)
YB (2007-2007) Trichonis Lake network
  • University of Patras
DOI
ST Trentino Seismic Network
DOI
5E (2016-2025) TremAc
YA (2006-2007) Transylvanian Basin Attenuation and Anisotropy Deployment
  • University of Florida
1G (2019-2019) Transitions in the Banda Arc-Australia continental collision Australia DOI
YS (2014-2018) Transitions in the Banda Arc-Australia continental collision
  • University of Southern California (USC)
DOI
ZU (2013-2014) Trans-Haiti
  • University of Southampton (UK)
9H (2013-2015) TRANSCORBE
  • Instituto Andaluz de Geofisica Universidad de Granada (UGR)
DOI
ZJ (2012-2015) Transantarctic Mountains Northern Network
DOI
XU (1999-2000) Trans-Antarctic
  • Institute of Geological and Nuclear Science (GNS - New Zealand)
TD TransAlta Monitoring Network
  • TransAlta Corporation
ZO (2002-2004) Transalp II
  • GEOFON Program (GFZ-Potsdam, Germany)
XH (1998-1999) TransAlp-1
  • GEOFON Program (GFZ-Potsdam, Germany)
Germany
YO (1998-2000) TRACK
DOI
4R (2021-2021) Tower Lake area, in western Canada.
  • Natural Resources Canada (NRCAN Canada)
DOI
YD (2007-2007) Toward Understanding Eruption Seismicity: Multidiscplinary Experiment at Santiaguito and Fuego Volcanos, Guatemala
  • University of New Hampshire (UNH)
DOI
2F (2022-2024) Toward a deeper understanding of Caldera Dynamics and Eruption Cycles at Axial Seamount
  • whoi.edu
X1 (2021-2023) Tour Perret network
DOI
6N (2017-2019) Totten Glacier Active Source Experiment
  • Central Washington University
DOI
1J (2018-2019) Totten Glacier Active and Passive Source Experiment
  • Central Washington University
DOI
ZC (1996-1997) TOR-TO
  • GEOFON Program (GFZ-Potsdam, Germany)
ZA (1996-2000) TOR-TE
  • GEOFON Program (GFZ-Potsdam, Germany)
YA (2005-2005) Torfajokull 2005
  • Nordic Volcanological Institute (NORDVULK Iceland)
XE (2002-2002) Torfajokull 2002
  • Nordic Volcanological Institute (NORDVULK Iceland)
XN (1994-1995) TOR-0
  • GEOFON Program (GFZ-Potsdam, Germany)
Germany
9B (2011-2011) TopoGreenland
  • Copenhagen University
DOI
YV (2021-2022) TopoBhutan
5B (2016-2017) Tony Creek Dual Microseismic Experiment
  • University of Calgary (U of C Canada)

Network Data API

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