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
XE (2008-2008) TICO-CAVA
  • Woods Hole Oceanographic Institution (WHOI), United States of America
United States of America
XC (1991-1992) Tibetan Plateau Passive-Source Experiment
DOI
7U (2019-2021) Thwaites Margins Seismic Broadband
  • University of Oklahoma
DOI
5V (2022-2023) Thwaites Eastern Ice Shelf Daggers and Pinning Point Shear Zone
  • Oregon State University
DOI
TH Thüringer Seismologisches Netz
  • Institut fuer Geowissenschaften, Friedrich-Schiller-Universitaet Jena, Germany
DOI
ZD (2020-2020) ThunderSeis Seismo-Acoustic Network
  • Universitat Wien (University of Vienna), Austria
DOI
5F (2022-2022) The Xinfengjiang (XFJ) Water Reservoir Distributed Acoustic Sensing Experiment DOI
ZH (2020-2020) The Valencia-Islalink Distributed Acoustic Sensing Experiment
  • University of Michigan, United States of America
DOI
ZS (2017-2020) The SWATH
DOI
WU The Southern Ontario Seismic Network
XJ (1997-1997) The Sierran Paradox Experiment
DOI
I0 The Scientific Induced Seismicity Monitoring Network
  • Alberta Geological Survey (AGS), Canada
5J (2014-2016) The Sardinia Passive Array Experiment (SPAE)
DOI
XO (1997-1999) The Origins of Mantle Anisotropy beneath Eastern North America
  • Brown University, United States of America
DOI
6O (2016-2025) The Ohio State University School of Earth Sciences FanQuakes Project
DOI
O1 The NWMO Seismic Network
YK (2023-2023) The Milun fault Drilling and All-inclusive Sensing (MiDAS) project DOI
7C (2015-2019) The Mackenzie Mountains Transect: Active Deformation from Margin to Craton
  • Colorado State University (CSU), United States of America
DOI
YS (2009-2013) The life cycle of Andean volcanoes:Combining space-based and field studies
  • Cornell University, United States of America
DOI
3P (2017-2021) Theistareykir monitoring network DOI
ZK (2021-2023) The Irpinia seismic Array DOI
XF (2020-2020) The GEYER seismic network DOI
XR (2001-2002) The Florida to Edmonton Broadband Experiment
DOI
ZA (2006-2008) The Colima Deep Seismic Experiment: Imaging the Magmatic Root of Colima Volcano
  • University of Alaska, Fairbanks (UAF), United States of America
DOI
XY (2017-2017) The Central Iberian Mountain Range a Key Asset to the Deformation Mechanisms of Iberia
DOI
XB (2024-2025) The Caucasus Seismic Network: The Uplift and Structure of the Greater and Lesser Caucasus
  • University of Missouri (MU), United States of America
United States of America
XA (2017-2023) The Caucasus Seismic Network: The Uplift and Structure of the Greater and Lesser Caucasus
  • University of Missouri (MU), United States of America
DOI
TM Thai Seismic Monitoring Network
2T (2018-2099) Texas Temporary Arrays
DOI
TX Texas Seismological Network
DOI
4T (2018-2099) Texas Seismological Network
DOI
X4 (2010-2014) Texas Gulf Coastal Plain, USA
  • Baylor University, United States of America
  • Texas Tech University, United States of America
DOI
ZZ (2017-2018) Texas-Geothermal Seismic Exploration and Monitoring Via Ambient Seismic Noise Interferometry
  • Baylor University, United States of America
YC (2013-2017) Texas Brine Corporation Louisiana Seismic Network
YZ (2022-2022) Tete Rousse
8F (2017-2017) Test study to detect moisture in a Playa lake bed
  • Texas Tech University, United States of America
DOI
YE (2011-2025) Testing TA & FA vaults and directly buried sensor (3T)
  • IRIS PASSCAL Instrument Center @ New Mexico Tech, United States of America
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), United States of America
DOI
3L (2010-2023) Testing of the effectiveness of incorporating seismic data in seismic hazard assessment within a traditional field course
  • University of Indiana
DOI
ZT (2003-2004) Testing of a Deep-Water, Acoustically-Linked, Moored- Buoy Seafloor Observatory
  • IRIS HQ, United States of America
1D (2022-2022) Testing continuous seismic borehole sources at PFO, CA
  • Lawrence Berkeley National Laboratory
DOI
XX (2013-2599) Test and non-distributed data only
DOI
TS TERRAscope (Southern California Seismic Network)
ZL (2016-2016) Terrapin
DOI
8H (2019-2020) Terceira2019
DOI
6A (2017-2018) Teno Valley Seismic Network
DOI
4L (2023-2025) Tenerife-Gran Canaria Seismic Network (GUANCHE_INTEGRAL) DOI
Z3 (2014-2014) Temp-Sismo12082014
  • Escuela Politecnica Nacional-Instituto Geofisico, Chile
DOI
7M (2021-2021) Temporary seismic network in the urban area of Rome city (Central Italy) DOI
6D (2019-2019) Temporary seismic deployments on Bowdoin glacier, Northwest Greenland
  • Swiss Federal Institute of Technology, Zurich (ETHZ), Switzerland

Network Data API

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