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
XQ (2017-2017) Salt Lake 2017 Land Streamer profiling
DOI
9H (2018-2018) Salt Lake Linear Nodal Array 2018
  • UNIVERSITY OF UTAH
DOI
YX (2005-2007) Samoa Lithosphere Integrated Seismic Experiment
  • Woods Hole Oceanographic Institution (WHOI), United States of America
United States of America
5A (2005-2009) Samoa Lithosphere Integrated Seismic-Petrologic Expedition
  • Woods Hole Oceanographic Institution (WHOI), United States of America
DOI
YG (2010-2010) San Andreas Virtual Earthquake Experiment Los Angeles
  • Stanford University, United States of America
XG (2017-2017) San Bernardino Basin (USGS) - Jan 2017 nodal deployment
  • Louisiana State University, United States of America
DOI
4O (2022-2023) Sandia DAS
  • Sandia National Laboratories, United States of America
DOI
2W (2021-2025) Sandia National Laboratories, Alaska DAS
  • Sandia National Laboratories, United States of America
DOI
8G (2023-2023) San Fernando Valley, California Nodal Array (2023)
  • Louisiana State University
DOI
XL (1999-2001) San Francisco/Oakland Dense Array 2000
DOI
YS (2019-2021) SANIMS
  • Institute Earth Sciences "Jaume Almera" (ICTJA), Spain
DOI
9K (2015-2017) San Jacinto Damage Zone Imaging Arrays
DOI
7V (2022-2025) San Jacinto FaultScan Project
  • UC San Diego, United States of America
DOI
YN (2010-2026) San Jacinto Fault Zone Experiment
DOI
XS (2005-2005) San Jose Microtremor 2005
YL (2003-2004) San Simeon Aftershocks
  • USGS Menlo Park, United States of America
1M (2023-2025) Santa Barbara Volcano DOI
XO (2000-2001) Santa Clara Valley 2000
  • USGS Menlo Park, United States of America
DOI
XL (1998-1998) Santa Clara Valley Fill structure
DOI
YL (2012-2012) Santiaguito 2012
  • University of North Carolina at Chapel Hill (UNC), United States of America
DOI
3K (2022-2022) Sao Jorge 2022
4U (2022-2023) São Jorge OBS Network
  • University College London (UCL), United Kingdom
DOI
9H (2016-2017) Sarez Pamir aftershock seismic network
DOI
1G (2012-2017) ScanArray core
  • The ScanArray Consortium, Germany
DOI
YF (2006-2006) SCANLIPS
  • University of Leicester (SEIS UK), United Kingdom
Y1 (2007-2009) SCANLIPS2
  • University of Leicester (SEIS UK), United Kingdom
ZR (2013-2014) SCANLIPS3D
  • University of Leicester (SEIS UK), United Kingdom
DOI
3A (2020-2020) SCENTAR: Southern Cascadia Earthquake and Tectonics Array
  • Purdue University, United States of America
  • University of Oregon, United States of America
DOI
2K (2014-2029) Scientific Induced Seismicity Monitoring Network
  • Alberta Geological Survey (AGS), Canada
DOI
8U (2019-2020) SCIROCCO - CIR OBS network
  • GEOMAR, Germany
DOI
YE (2010-2010) SeaJade I
  • Geological Survey of Canada, Canada
Canada
7Q (2004-2005) SEAL
DOI
7T (2007-2007) SEAL2
DOI
7U (2007-2008) SEAL3
DOI
ZL (2005-2006) Sea of Cortez Ocean Bottom Array
  • Scripps Institution of Oceanography (SIO), United States of America
4R (2018-2020) SEA-SEIS (Structure, Evolution And SEISmicity of the Irish offshore)
YE (1999-2005) Seattle Site Response
  • None,
2U (2018-2026) Sedgwick Reserve
ZT (2023-2023) Sedrun IRIS DASMonth
  • Swiss Federal Institute of Technology, Zurich (ETHZ), Switzerland
DOI
ZR (2020-2025) SEIS-ADELICE
DOI
Z8 (2018-2019) seis_iitmandi
DOI
ZD (2007-2009) Seismcity of Quebrada-Discovery-gofur- Transforms ( QDG)
  • Woods Hole Oceanographic Institution (WHOI), United States of America
XE (2012-2014) Seismic Activity of Low Angle Normal Faults in Death Valley, Caifornia
  • University of Washington, United States of America
DOI
X2 (2009-2010) Seismic Analysis of the HiKurangi Experimentm Wellington Geophysical Transect
  • Victoria University of Wellington, New Zealand
DOI
9G (2011-2011) Seismic Analysis of the Hikurangi Experiment Wellington Geophysical Transect
  • Victoria University of Wellington, New Zealand
New Zealand
XQ (2007-2009) Seismic and Geodetic Investigations of Mendocino Triple Junction Dynamics
  • University of Oregon, United States of America
DOI
ZV (2017-2017) Seismic and Geomorphic Characterization of Mass Wasting Events Associated with the 2017 Brian Head Fire
DOI
9J (2019-2020) Seismic and Infrasound Networks to study the volcano Oldoinyo Lengai
  • Institute for Geosciences - Goethe University, Germany
DOI
5L (2013-2017) Seismic array data for monitoring and tracking tremor sources during subglacial floods and volcanic eruptions at Vatnajökull (Vatna Glacier), Iceland
DOI
6A (2013-2016) Seismic Array iNegrated Detection for a Window of Indian Continental Head
DOI

Network Data API

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