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
5A (2010-2012) Basin & Range, Pleasant Valley Faulting, Crustal-Scale Geometry of Active Continental Normal Faults
  • Oregon State University (OSU), United States of America
DOI
5A (2005-2009) Samoa Lithosphere Integrated Seismic-Petrologic Expedition
  • Woods Hole Oceanographic Institution (WHOI), United States of America
DOI
4V (2022-2023) Aurora Vent Field Gakkel Ridge
  • Alfred Wegener Institute (AWI), Germany
4U (2022-2023) São Jorge OBS Network
  • University College London (UCL), United Kingdom
DOI
4U (2018-2019) Dry Alluvium Geology Gradiometry
  • Sandia National Laboratories, United States of America
DOI
4T (2018-2099) Texas Seismological Network
DOI
4S (2022-2023) Serra La Nave Distributed Acoustic Sensing Experiment (Etna) DOI
4S (2019-2020) Active seismic imaging of a leaky CO2 fault system
DOI
4S (2018-2018) STAK
  • University of East Anglia (UEA), United Kingdom
DOI
4R (2022-2027) GEOREAL
4R (2021-2021) Tower Lake area, in western Canada. DOI
4R (2018-2020) SEA-SEIS (Structure, Evolution And SEISmicity of the Irish offshore)
4Q (2022-2022) WHOLESCALE survey at San Emidio, Nevada, USA
DOI
4Q (2019-2021) GFZ contribution to the COSEISMIQ seismic network
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
4P (2022-2026) AdriaArray Temporary Network: Italy - north, south
4P (2020-2021) Carnegie Washington Backyard Network DOI
4P (2019-2019) Mpala wildlife 2019
  • University of Oxford, United Kingdom
4P (2006-2018) NSF EarthScope USArray Magnetotelluric Transportable and Backbone Arrays DOI
4O (2022-2023) Sandia DAS
  • Sandia National Laboratories, United States of America
DOI
4O (2018-2020) Longmen P
DOI
4N (2017-2022) China-Western Australia Seismic array
  • Macquarie University, Australia
DOI
4M (2022-2024) Seismic Campaign Around the Lombardian Pass network DOI
4M (2018-2019) Los Angeles Basin Seismic Experiment
  • Louisiana State University, United States of America
DOI
4M (2013-2016) French Landslide Observatory / OMIV: Permanent seismological records on unstable slopes (OMIV) DOI
4L (2023-2025) Tenerife-Gran Canaria Seismic Network (GUANCHE_INTEGRAL) DOI
4L (2020-2022) Bedload Monitoring of Ephemeral Streams 2022 Nodal Portion
  • New Mexico Tech, United States of America
DOI
4L (2017-2019) Canoe Reach Geothermal Field
  • University of Calgary, Canada
DOI
4L (2014-2016) IMAGE Reykjanes
DOI
4K (2023-2023) Mount Rainier 2023
  • University of Oregon
DOI
4K (2017-2022) Ruegen Cliff Observatory
DOI
4K (2014-2016) UAE transects across the Semail Ophiolite
DOI
4J (2017-2024) Red sísmica Bioko
  • Drexel University, United States of America
DOI
4J (2014-2016) AQ3 SW Queensland and NW New South Wales
DOI
4H (2023-2024) Stypsi Geothermal Field Network
  • Aristotle University of Thessaloniki, Greece
DOI
4H (2022-2022) Embayment Seismic Excitation Experiment 2022
  • University of Memphis
DOI
4H (2018-2021) Mulhouse Seismo Citizen
4H (2014-2017) Oklahoma State University Seismic Network
  • Oklahoma State University (OSU), United States of America
DOI
4H (2011-2012) Nabro Urgency Array
DOI
4H (2009-2010) EAL1
DOI
4G (2007-2025) EMSO-MOMAR
4F (2015-2023) North Texas Earthquake Study: Venus (Johnson County), TX
  • Southern Methodist University (SMU), United States of America
DOI
4F (2013-2014) Temp-CNCH
  • Escuela Politecnica Nacional-Instituto Geofisico, Chile
DOI
4F (2007-2011) Askja 2007
DOI
4E (2022-2023) Antarctica Ice Rift Experiment
  • University of Maryland (UMD), United States of America
DOI
4E (2020-2021) Nodal seismic experiment at the Berkeley section of the Hayward fault DOI
4E (2019-2019) Valles 3C Node Transect
  • University of New Mexico (UNM), United States of America
DOI
4E (2018-2018) Raton 3C Nodes 2018
  • University of New Mexico (UNM), United States of America
DOI
4E (2015-2016) Field Research Station broadband seismometer network
  • University of Bristol, United Kingdom
DOI
4E (2012-2013) G9
4E (2010-2011) MARS/Testing of cabled broadband OBS using MARS test facility
DOI

Network Data API

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