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
UG Unocal Geothermal Northern California Network
  • Unocal Corporation, United States of America
United States of America
UB University of Zimbabwe 1 Zimbabwe DOI
UU University of Utah Regional Seismic Network
DOI
6A (2020-2035) University of Potsdam Experimental 3D-3C Array
DOI
HP University of Patras, Seismological Laboratory
  • University of Patras, Greece
DOI
UM University of Montana Seismic Network
  • University Of Montana, United States of America
DOI
BI University of Dhaka Seismographic Network
5L (2023-2023) University of Chicago Educational, Faculty Development and Outreach Seismic Experiment
  • University of Chicago
DOI
C5 University of Cambridge seismology
  • University of Cambridge Earth Sciences, United Kingdom
United Kingdom DOI
BR University of Brasilia Seismic Network
NS University of Bergen Seismic Network
DOI
XG (2016-2016) Universidad Tecnica de Ambato
DOI
RP Universidad de Panama Seismic Network Panama
KE Univerity of Nairobi, Kenya
DOI
NP United States National Strong-Motion Network
DOI
US United States National Seismic Network
DOI
BA UniBAS
  • Universita della Basilicata, Italy
YA (2009-2011) Undervolc
  • Observatoire de Grenoble, Grenoble, France
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
XF (2014-2016) Understanding Precambrian to Present Assembly of Greenland
DOI
XG (2012-2013) Underground Array
  • University of Minnesota-Twin Cities, United States of America
United States of America
OU Ulaanbaatar seismic network DOI
UK UK Schools Seismic Network
  • University of Leicester (SEIS UK), United Kingdom
UT Ukrainian National Seismic Network DOI
2G (2022-2026) UK-PE1 Arrays
  • Blacknest (AWE), United Kingdom
DOI
BN UK-Net, Blacknest Array
  • Blacknest (AWE), United Kingdom
DOI
ZM (2014-2015) UKFLUV14
DOI
UR UKArray United Kingdom DOI
1D (2016-2018) UKANET: UK Antarctic Network
DOI
1K (2017-2019) UIB-Heimaey
UH UH Infrasound Network
UN Uganda National Seismological Network
  • Directorate of Geological Survey and Mines, Uganda (DGSM), Uganda
Uganda DOI
1B (2006-2008) UGANDA
  • University of Frankfurt, Germany
HY UEH Seismic Network DOI
SB UC Santa Barbara Engineering Seismology Network
  • UC Santa Barbara, United States of America
DOI
XB (1989-1990) UC Mammoth/Long Valley network
  • None,
FA UCLA Seismic Network
  • UC Los Angeles (UCLA), United States of America
GC UCLA Geonet Network
  • UC Los Angeles (UCLA), United States of America
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 (SIO), United States of America
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, United Kingdom
DOI
9A (2019-2020) TurboWave I and II
  • Sandia National Laboratories, United States of America
DOI
1O (2019-2020) Turbo Wave Experiment
  • University of North Carolina at Chapel Hill (UNC), United States of America
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

Network Data API

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