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
XM (2022-2024) TANGO-BB
  • University of Arizona, United States of America
DOI
T9 TAMU Seismic Network
  • Texas A&M University, United States of America
DOI
YQ (2023-2023) Tampnet-ASN DAS month DOI
X5 (2020-2020) Taltal DOI
ZQ (2015-2016) Taku Glacier
  • Central Washington University, United States of America
DOI
TJ Tajikistan National Seismic Network
  • Geophysical Survey of the National Academy of sciences of Tajikistan (GS NAST), Tajikistan
DOI
TF Tajikistan National Seismic Network DOI
VT Taiwan Volcano Observatory
  • Taiwan Volcano Observatory (TVO), Taiwan
DOI
YM (2006-2009) Taiwan Supplement #2 to TAIGER project
DOI
2F (2009-2009) Taiwan Supplement #2 to TAIGER project
  • University of Southern California (USC), United States of America
DOI
TQ Taiwan multi-parametric environmental seismic monitoring network DOI
3C (2008-2008) Taiwan Geodynamics Project- TAIGER-A 200612 (1F-2008) continuation
  • PASSCAL
1F (2008-2008) Taiwan Geodynamics Project - TAIGER 2008 SP Piggyback
  • University of Southern California (USC), United States of America
DOI
X3 (2006-2006) TAIGER active source explosion pilot test
  • University of Southern California (USC), United States of America
DOI
Z5 (2005-2006) Tahiti Plume
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
XI (2003-2004) TAG Hydrothermal Mound Passive Seismic Experiment
  • Woods Hole Oceanographic Institution (WHOI), United States of America
XV (2001-2001) Tacoma Array
  • USGS Menlo Park, United States of America
YZ (2004-2004) Tabriz Experiment
  • Observatoire de Grenoble, Grenoble, France
DOI
2E (2024-2024) SZNet 2024 Ashland Field Campaign
  • Cornell University
  • University of California - Santa Cruz
DOI
6C (2006-2008) Syros (Cyclades)
  • University of Bristol, United Kingdom
DOI
SY Synthetic Seismograms
  • IRIS DMC, United States of America
SX SXNET Saxon Seismic Network
  • University of Leipzig, Germany
DOI
CH Switzerland Seismological Network
DOI
4D (2012-2025) Swiss temporary deployments on glaciers Switzerland DOI
8D (1980-2030) Swiss Seismological Service Aftershock Deployments
DOI
Y5 (2022-2026) Swiss Contribution to AdriaArray Temporary Network
  • Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland
DOI
1B (2014-2014) Sweetwater Array
  • IRIS HQ, United States of America
XB (2014-2014) Sweetwater Array
  • IRIS PASSCAL Instrument Center @ New Mexico Tech, United States of America
DOI
HF Swedish Seismic Array Network
  • Swedish Defence Research Agency (FOI), Sweden
UP Swedish National Seismic Network
  • Uppsala University, Sweden
DOI
ZB (1998-1999) Svekalapko
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
XG (2019-2019) Svalbard - Vallunden
  • Universite Joseph Fourier - Grenoble (LGIT-UJF), France
DOI
5J (2023-2023) Survey of upper 200 m structure near ANMO using hammer source
  • University of New Mexico
DOI
6E (2018-2018) Surface-wave characterization of the SHOAL nuclear blast cavity and rubble chimney
DOI
XI (2011-2013) Superior Province Rifting Earthscope Experiment
  • Northwestern University, United States of America
DOI
X2 (2013-2014) Sunset Seismic Experiment
2N (2019-2019) Summer of Applied Geophysical Experience Active Seismic 2019
  • IRIS PASSCAL Instrument Center @ New Mexico Tech, United States of America
DOI
8H (2018-2018) Summer of Applied Geophysical Experience Active Seismic 2018
  • PASSCAL
DOI
Z5 (2017-2017) Summer of Applied Geophysical Experience Active Seismic 2017
  • PASSCAL
DOI
4C (2016-2016) Summer of Applied Geophysical Experience Active Seismic 2016
  • IRIS PASSCAL Instrument Center @ New Mexico Tech, United States of America
DOI
ZB (2007-2009) Sumatra Segmentation and Aftershocks Deployment
  • University of Cambridge Earth Sciences, United Kingdom
ZE (2002-2002) Sultandagi
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany
5R (2019-2020) Sulawesi and Celebes Sea Ocean-bottom Seismic Network
  • University of Cambridge Earth Sciences, United Kingdom
DOI
5G (2014-2015) SUGAR
  • Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America
S9 Sudetic Seismological Network DOI
6E (2021-2021) Sub-surface imaging of the west Reno basin
DOI
6U (2020-2035) Subnet of WEBNET
5U (2020-2035) Subnet of SXNET
  • Federal Institute for Geosciences and Natural Resources (BGR), Germany
5W (2023-2024) SUBMERSE Svalbard OBS deployment DOI
5A (2014-2016) Subduction Reversal and the Ontong Java Plateau
  • University of Southampton, United Kingdom
DOI

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