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
YE (2006-2006) Upper Geyser Basin Seismicity
X1 (2017-2018) Upper Geyser Basin Imaging Experiment FALL 2017
DOI
8J (2021-2022) UPFLOW DOI
UQ UNSA Regional Seismic Network
  • Universidad Nacional de San Agustín de Arequipa - UNSA
DOI
4Y (2022-2023) Unraveling the microseismic activity of the Puerto Aldea Fault, Chile 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
VW University of Melbourne Seismic Network DOI
LX University of Lisbon Seismic Network
DOI
BI University of Dhaka Seismographic Network
5L (2023-2023) University of Chicago Educational, Faculty Development and Outreach Seismic Experiment
  • University of Chicago, United States of America
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

Network Data API

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