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
X8 (2007-2010) Studies of Earthquakes & Rapid Motions of Ice
  • Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America
United States of America
XI (1998-1999) Study of Changbai Volcanoes and Deep Subduction Zone
DOI
YQ (2013-2016) Study of Extension and maGmatism in Malawi aNd Tanzania
  • Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America
DOI
1C (2008-2008) Study of the Crustal Structure of Northern Vietnam
  • University of Texas at El Paso (UTEP), United States of America
DOI
ZT (2008-2010) Study of the Dynamic of Utiku Landslide (NZ)
  • Observatoire de Grenoble, Grenoble, France
France
XE (2015-2015) Study of the Socorro Magma Body
  • New Mexico Tech, United States of America
DOI
4H (2023-2024) Stypsi Geothermal Field Network
  • Aristotle University of Thessaloniki, Greece
DOI
ZS (2022-2022) Subduction below extreme sedimentation: A multidisciplinary transect from the Ganges-Brahmaputra Delta to the IndoBurma Backarc
DOI
5A (2014-2016) Subduction Reversal and the Ontong Java Plateau
  • University of Southampton, United Kingdom
DOI
5U (2020-2035) Subnet of SXNET
  • Federal Institute for Geosciences and Natural Resources (BGR), Germany
6U (2020-2035) Subnet of WEBNET
6E (2021-2021) Sub-surface imaging of the west Reno basin
DOI
5G (2014-2015) SUGAR
  • Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America
5R (2019-2020) Sulawesi and Celebes Sea Ocean-bottom Seismic Network
  • University of Cambridge Earth Sciences, United Kingdom
DOI
ZE (2002-2002) Sultandagi
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany
ZB (2007-2009) Sumatra Segmentation and Aftershocks Deployment
  • University of Cambridge Earth Sciences, United Kingdom
4C (2016-2016) Summer of Applied Geophysical Experience Active Seismic 2016
  • IRIS PASSCAL Instrument Center @ New Mexico Tech, United States of America
DOI
Z5 (2017-2017) Summer of Applied Geophysical Experience Active Seismic 2017
  • PASSCAL
DOI
8H (2018-2018) Summer of Applied Geophysical Experience Active Seismic 2018
  • PASSCAL
DOI
2N (2019-2019) Summer of Applied Geophysical Experience Active Seismic 2019
  • IRIS PASSCAL Instrument Center @ New Mexico Tech, United States of America
DOI
X2 (2013-2014) Sunset Seismic Experiment
XI (2011-2013) Superior Province Rifting Earthscope Experiment
  • Northwestern University, United States of America
DOI
6E (2018-2018) Surface-wave characterization of the SHOAL nuclear blast cavity and rubble chimney
DOI
5J (2023-2023) Survey of upper 200 m structure near ANMO using hammer source
  • University of New Mexico
DOI
XG (2019-2019) Svalbard - Vallunden
  • Universite Joseph Fourier - Grenoble (LGIT-UJF), France
DOI
ZB (1998-1999) Svekalapko
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
UP Swedish National Seismic Network
  • Uppsala University, Sweden
DOI
HF Swedish Seismic Array Network
  • Swedish Defence Research Agency (FOI), Sweden
XB (2014-2014) Sweetwater Array
  • IRIS PASSCAL Instrument Center @ New Mexico Tech, United States of America
DOI
1B (2014-2014) Sweetwater Array
  • IRIS HQ, United States of America
Y5 (2022-2026) Swiss Contribution to AdriaArray Temporary Network
  • Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland
DOI
8D (1980-2030) Swiss Seismological Service Aftershock Deployments
DOI
4D (2012-2025) Swiss temporary deployments on glaciers Switzerland DOI
CH Switzerland Seismological Network
DOI
SX SXNET Saxon Seismic Network
  • University of Leipzig, Germany
DOI
SY Synthetic Seismograms
  • IRIS DMC, United States of America
6C (2006-2008) Syros (Cyclades)
  • University of Bristol, United Kingdom
DOI
YZ (2004-2004) Tabriz Experiment
  • Observatoire de Grenoble, Grenoble, France
DOI
XV (2001-2001) Tacoma Array
  • USGS Menlo Park, United States of America
XI (2003-2004) TAG Hydrothermal Mound Passive Seismic Experiment
  • Woods Hole Oceanographic Institution (WHOI), United States of America
Z5 (2005-2006) Tahiti Plume
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
X3 (2006-2006) TAIGER active source explosion pilot test
  • University of Southern California (USC), United States of America
DOI
1F (2008-2008) Taiwan Geodynamics Project - TAIGER 2008 SP Piggyback
  • University of Southern California (USC), United States of America
DOI
3C (2008-2008) Taiwan Geodynamics Project- TAIGER-A 200612 (1F-2008) continuation
  • PASSCAL
TQ Taiwan multi-parametric environmental seismic monitoring network 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
VT Taiwan Volcano Observatory
  • Taiwan Volcano Observatory (TVO), Taiwan
DOI
TF Tajikistan National Seismic Network DOI
TJ Tajikistan National Seismic Network
  • Geophysical Survey of the National Academy of sciences of Tajikistan (GS NAST), Tajikistan
DOI

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