International Federation of Digital Seismograph Networks
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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
X3 (2007-2011) Understanding the current thinning and accelerration of the Jakobshavns Isbrae, Greenland
  • University of Alaska, Fairbanks (UAF, AK USA)
DOI
YA (2009-2011) Undervolc
  • Observatoire de Grenoble, Grenoble
DOI
BA UniBAS
  • Universita della Basilicata
—
US United States National Seismic Network
DOI
NP United States National Strong-Motion Network
  • U.S. Geological Survey
DOI
KE Univerity of Nairobi, Kenya
DOI
RP Universidad de Panama Seismic Network Panama —
XG (2016-2016) Universidad Tecnica de Ambato
DOI
NS University of Bergen Seismic Network
DOI
BR University of Brasilia Seismic Network
—
C5 University of Cambridge seismology
  • University of Cambridge (UK) Earth Sciences
 United Kingdom DOI
BI University of Dhaka Seismographic Network
—
UM University of Montana Seismic Network
  • University Of Montana
DOI
HP University of Patras, Seismological Laboratory
  • University of Patras
DOI
6A (2020-2035) University of Potsdam Experimental 3D-3C Array
DOI
UU University of Utah Regional Seismic Network
DOI
UB University of Zimbabwe 1 Zimbabwe DOI
UG Unocal Geothermal Northern California Network
  • Unocal Corporation
 United States of America —
8J (2021-2022) UPFLOW
  • Instituto Português do Mar e da Atmosfera, I.P. (IPMA)
  • University College London (UCL)
 — —
X1 (2017-2018) Upper Geyser Basin Imaging Experiment FALL 2017
DOI
YE (2006-2006) Upper Geyser Basin Seismicity
—
RG Upper-Rhine Graben Geothermal Network
DOI
ZM (2003-2004) Uraban Seismology
—
7C (2021-2031) Urban Seismic Network — DOI
1C (2009-2010) Urban Seismology 2
—
TA USArray Transportable Array
DOI
RE US Bureau of Reclamation Seismic Networks
  • U.S. State Department
—
GM U.S. Geological Survey Networks
  • U.S. Geological Survey
DOI
GS US Geological Survey Networks
DOI
3F (2010-2010) USGS flume seismic monitoring
  • USGS Vancouver WA
DOI
NT USGS Geomagnetism Program United States of America DOI
UL USGS Low Frequency Geophysical Data Network
  • USGS Menlo Park
—
XU (2016-2029) USGS NEHRP Proposal 2016-0180 - Greeley
  • University of Colorado
DOI
NC USGS Northern California Seismic Network
  • USGS Menlo Park
DOI
MI USGS Northern Mariana Islands Network
  • USGS Alaska Anchorage
DOI
ZZ (2015-2016) USGS Puerto Rico Trence
  • Woods Hole Oceanographic Institution (WHOI)
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)
DOI
1B (2019-2019) Using passive seismics to determin a glacier sliding law
  • University of Wisconsin, Madison
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
  • U.S. Geological Survey
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
EP UTEP Seismic Network
  • University of Texas at El Paso (UTEP)
—
ZJ (2017-2017) UTEP Source Test 2017
  • University of Texas at El Paso (UTEP)
DOI
YY (2017-2027) UTPMY
DOI
1U (2018-2022) Uturuncu volcano, Bolivia
  • Cornell University
DOI
5O (2022-2023) UW-Madison 3D DAS@SURF
  • University of Wisconsin-Madison
 — DOI
ZK (2008-2008) UWTremTexBS - EarthScope Flex Array
  • University of Washington
DOI
UZ Uzbekistan Digital Seismic Network
DOI
ZO (2013-2013) Vaigat United Kingdom —

Network Data API

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