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
XO (2003-2004) US-Japan Collaborative Research: Multi-scale seismic imaging of the Mariana Subduction Factory
DOI
1B (2019-2019) Using passive seismics to determin a glacier sliding law
  • University of Wisconsin, Madison
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
ZZ (2015-2016) USGS Puerto Rico Trence
  • Woods Hole Oceanographic Institution (WHOI)
DOI
MI USGS Northern Mariana Islands Network
  • USGS Alaska Anchorage
DOI
NC USGS Northern California Seismic Network
  • USGS Menlo Park
DOI
XU (2016-2029) USGS NEHRP Proposal 2016-0180 - Greeley
  • University of Colorado
DOI
UL USGS Low Frequency Geophysical Data Network
  • USGS Menlo Park
—
NT USGS Geomagnetism Program United States of America DOI
3F (2010-2010) USGS flume seismic monitoring
  • USGS Vancouver WA
DOI
GS US Geological Survey Networks
DOI
GM U.S. Geological Survey Networks
  • U.S. Geological Survey
DOI
RE US Bureau of Reclamation Seismic Networks
  • U.S. State Department
—
TA USArray Transportable Array
DOI
1C (2009-2010) Urban Seismology 2
—
7C (2021-2031) Urban Seismic Network — DOI
ZM (2003-2004) Uraban Seismology
—
RG Upper-Rhine Graben Geothermal Network
DOI
YE (2006-2006) Upper Geyser Basin Seismicity
—
X1 (2017-2018) Upper Geyser Basin Imaging Experiment FALL 2017
DOI
8J (2021-2022) UPFLOW
  • Instituto Português do Mar e da Atmosfera, I.P. (IPMA)
  • University College London (UCL)
 — —
UG Unocal Geothermal Northern California Network
  • Unocal Corporation
 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
—
HP University of Patras, Seismological Laboratory
  • University of Patras
DOI
UM University of Montana Seismic Network
  • University Of Montana
DOI
BI University of Dhaka Seismographic Network
—
C5 University of Cambridge seismology
  • University of Cambridge (UK) Earth Sciences
 United Kingdom DOI
BR University of Brasilia Seismic Network
—
NS University of Bergen Seismic Network
DOI
FI Università degli Studi di Firenze, Italy — —
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
  • U.S. Geological Survey
DOI
US United States National Seismic Network
DOI
BA UniBAS
  • Universita della Basilicata
—
YA (2009-2011) Undervolc
  • Observatoire de Grenoble, Grenoble
DOI
X3 (2007-2011) Understanding the current thinning and accelerration of the Jakobshavns Isbrae, Greenland
  • University of Alaska, Fairbanks (UAF, AK USA)
DOI
XF (2014-2016) Understanding Precambrian to Present Assembly of Greenland
  • Columbia University
DOI
XG (2012-2013) Underground Array
  • University of Minnesota-Twin Cities
 United States of America —
UK UK Schools Seismic Network
  • University of Leicester (SEIS UK)
—
2G (2022-2026) UK-PE1 Arrays
  • Blacknest (AWE UK)
 — DOI
BN UK-Net, Blacknest Array
  • Blacknest (AWE UK)
—
ZM (2014-2015) UKFLUV14
DOI
UR UKArray United Kingdom DOI
1D (2016-2018) UKANET: UK Antarctic Network
  • University of Leeds (UK)
DOI
1K (2017-2019) UIB-Heimaey
  • University of Bergen (UiB Norway)
—
UH UH Infrasound Network
—

Network Data API

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