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
VT Taiwan Volcano Observatory
  • Taiwan Volcano Observatory (TVO)
DOI
TJ Tajikistan National Seismic Network
  • Geophysical Survey of the National Academy of sciences of Tajikistan (GS NAST)
DOI
ZQ (2015-2016) Taku Glacier
  • Central Washington University
DOI
XM (2022-2024) TANGO-BB
  • University of Arizona
DOI
XN (2022-2024) TANGO-Node
  • University of Arizona
DOI
8E (2010-2010) TANGSHAN
  • University of Oklahoma (OU)
DOI
YO (2001-2002) Taranaki
  • University of Cambridge (UK) Earth Sciences
XD (1991-1992) Tararua BB Array, New Zealand
  • None
X2 (2017-2019) Tarim Array for lithoSpheric signaTure of mantle plumE
DOI
XP (1998-1998) TaskForce Adana 1998
  • GEOFON Program (GFZ-Potsdam, Germany)
XU (2002-2002) TaskForce Alsdorf 2002
  • GEOFON Program (GFZ-Potsdam, Germany)
Germany
ZG (2003-2003) TaskForce Bingoel 2003
  • GEOFON Program (GFZ-Potsdam, Germany)
Germany
XN (2006-2006) TaskForce_Java
  • GEOFON Program (GFZ-Potsdam, Germany)
4B (2008-2009) TASK FORCE KIRGISTAN
  • GEOFON Program (GFZ-Potsdam, Germany)
5B (2009-2009) TaskForce L Aquila 2009
  • GEOFON Program (GFZ-Potsdam, Germany)
Germany
ZU (2004-2005) TaskForce Waldkirch 2004
  • GEOFON Program (GFZ-Potsdam, Germany)
Germany
ZS (2006-2006) TaskForce Yogyakarta 2006
  • GEOFON Program (GFZ-Potsdam, Germany)
Germany
7I (2003-2005) TASMAL
  • Australian National University (ANU, Australia)
DOI
2C (2016-2017) Tasman Acceleration Study 2016
  • Victoria University of Wellington
7L (2016-2016) Taupo temporary infrasound network - May 3, 2016
  • GNS Science
DOI
XA (2004-2007) Taylor Glacier Calving, Collaborative Research: Mechanics of Dry-Land Calving of Ice Glaciers
DOI
TO Tectonic Observatory - MASE, VEOX , PeruSE, CCSE
  • California Institute of Technology (Caltech)
DOI
ZC (2001-2004) TEDESE
  • GEOFON Program (GFZ-Potsdam, Germany)
XK (1997-1997) Teleseismic Studies in the Western Superior Transect, Canada
DOI
6D (2009-2016) Telica Seismic and Deformation Network
DOI
4F (2013-2014) Temp-CNCH
  • Escuela Politecnica Nacional-Instituto Geofisico
DOI
9D (2018-2020) Temporal network Sierra Negra
  • Escuela Politecnica Nacional-Instituto Geofisico
DOI
3T (2013-2018) Temporal network Tungurahua
  • Escuela Politecnica Nacional-Instituto Geofisico
DOI
1T (2018-2025) Temporal seismological network Mayotte
DOI
Y7 (2022-2024) Temporary Deployment for DemoUpStorage, Helguvik, Reykjanes Peninsula, Iceland
  • Eidgendssisch Technische Hochschule (ETH Zurich) - Swiss Seismological Service
YM (2021-2021) Temporary Deployments associated with the DEEPEN project in the Hengill region, Iceland
  • ETHZ (Swiss Federal Institute of Technology, Zurich Switzerland)
DOI
9S (2012-2030) Temporary deployments in Switzerland associated with landslides
  • Eidgendssisch Technische Hochschule (ETH Zurich) - Swiss Seismological Service
X6 (2021-2023) Temporary deployments on Mt. Zugspitze (Germany) for permafrost investigations
  • Ludwig Maximillians Universitat Munchen (LMU-Germany)
DOI
5A (2021-2030) Temporary deployments operated by industry partners of the Swiss Seismological Service.
  • Eidgendssisch Technische Hochschule (ETH Zurich) - Swiss Seismological Service
DOI
Z8 (2022-2026) Temporary network Croatian Seismological Survey DOI
XK (2020-2020) Temporary network seismic in Central Calabria
Z6 (2020-2021) Temporary Nodal Deployment at Kilauea Caldera
  • USGS
DOI
Z2 (2016-2018) Temporary Receivers for Monitoring Bangladesh Earthquakes
DOI
6D (2019-2019) Temporary seismic deployments on Bowdoin glacier, Northwest Greenland
  • ETHZ (Swiss Federal Institute of Technology, Zurich Switzerland)
7M (2021-2021) Temporary seismic network in the urban area of Rome city (Central Italy)
Z3 (2014-2014) Temp-Sismo12082014
  • Escuela Politecnica Nacional-Instituto Geofisico
DOI
6A (2017-2018) Teno Valley Seismic Network
DOI
8H (2019-2020) Terceira2019
DOI
ZL (2016-2016) Terrapin
DOI
TS TERRAscope (Southern California Seismic Network)
  • California Institute of Technology (Caltech)
XX (2013-2599) Test and non-distributed data only
DOI
ZT (2003-2004) Testing of a Deep-Water, Acoustically-Linked, Moored- Buoy Seafloor Observatory
  • IRIS HQ (DC)
3L (2010-2023) Testing of the effectiveness of incorporating seismic data in seismic hazard assessment within a traditional field course
  • University of Indiana
DOI
2G (2010-2015) Testing of the effectiveness of incorporating seismic data in seismic hazard assessment within a traditional field course
  • Indiana University Bloomington (IU Bloomington)
DOI
YE (2011-2025) Testing TA & FA vaults and directly buried sensor (3T)
  • IRIS PASSCAL Instrument Center @ New Mexico Tech
DOI

Network Data API

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