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
4N (2017-2022) China-Western Australia Seismic array
  • Macquarie University, Australia
DOI
4N (2023-2023) Fast Response Aftershock network for the Moroccan Earthquake 2023 DOI
4N (2024-2025) 4N - New Jersey 2024 Earthquake Sequence
  • University of Texas at Austin, United States of America
DOI
4O (2018-2020) Longmen P
DOI
4O (2022-2023) Sandia DAS
  • Sandia National Laboratories, United States of America
DOI
4P (2006-2018) NSF EarthScope USArray Magnetotelluric Transportable and Backbone Arrays DOI
4P (2019-2019) Mpala wildlife 2019
  • University of Oxford, United Kingdom
4P (2020-2021) Carnegie Washington Backyard Network DOI
4P (2022-2026) AdriaArray Temporary Network: Italy - north, south
4Q (2019-2021) GFZ contribution to the COSEISMIQ seismic network
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
4Q (2022-2022) WHOLESCALE survey at San Emidio, Nevada, USA
DOI
4Q (2023-2025) Receiver Function and Seismotectonics Analysis Northern Chile DOI
4R (2018-2020) SEA-SEIS (Structure, Evolution And SEISmicity of the Irish offshore)
4R (2021-2021) Tower Lake area, in western Canada. DOI
4R (2022-2027) GEOREAL DOI
4S (2018-2018) STAK
  • University of East Anglia (UEA), United Kingdom
DOI
4S (2019-2020) Active seismic imaging of a leaky CO2 fault system
DOI
4S (2022-2023) Serra La Nave Distributed Acoustic Sensing Experiment (Etna) DOI
4T (2018-2099) Texas Seismological Network
DOI
4U (2018-2019) Dry Alluvium Geology Gradiometry
  • Sandia National Laboratories, United States of America
DOI
4U (2022-2023) São Jorge OBS Network
  • University College London (UCL), United Kingdom
DOI
4V (2011-2020) Towards ocean wave energy-potential quantification from a terrestrially-based seismic observation system (Wave-Obs) DOI
4V (2022-2023) Aurora Vent Field Gakkel Ridge
  • Alfred Wegener Institute (AWI), Germany
4W (2022-2023) Coupling erosion, weathering, and hydrologic function in an active orogenic system
  • University of Southern California
DOI
4X (2021-2023) GEObyIT seismic network in Oslo, Norway DOI
4Y (2022-2023) Unraveling the microseismic activity of the Puerto Aldea Fault, Chile DOI
5A (2005-2009) Samoa Lithosphere Integrated Seismic-Petrologic Expedition
  • Woods Hole Oceanographic Institution (WHOI), United States of America
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 (2013-2013) Eastern North American Margin Explosives Test
  • University of Texas at El Paso (UTEP), United States of America
DOI
5A (2014-2016) Subduction Reversal and the Ontong Java Plateau
  • University of Southampton, United Kingdom
DOI
5A (2018-2018) Rattlesnake Ridge 2018 v2
  • University of Oregon, United States of America
DOI
5A (2019-2019) Shale Hills Critical Zone Observatory Mini-Array 2 Experiment
  • Penn State University, United States of America
DOI
5A (2020-2020) Large Surface Explosion Coupling Experiment
  • Lawrence Livermore National Laboratory (LLNL), United States of America
DOI
5A (2021-2030) Temporary deployments operated by industry partners of the Swiss Seismological Service.
  • Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland
DOI
5B (2008-2008) HLP 3C Piggy Back RT130
  • Stanford University, United States of America
DOI
5B (2009-2009) TaskForce L Aquila 2009
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany
5B (2010-2015) Brady Hot Spring EGS
5B (2016-2017) Tony Creek Dual Microseismic Experiment
  • University of Calgary, Canada
5B (2018-2019) Rutford Ice Stream Cooperative Research Program with British Antarctic Survey
  • Penn State University, United States of America
DOI
5B (2021-2022) ET Database of Belgium DOI
5B (2023-2027) RUB Observational Geophysics Lab Deployment: Northwestern Peloponnese DOI
5C (2008-2008) Prestudies for Rwenzori Seismic Network
5C (2009-2011) Dynamics of Lake-Calving Glaciers: Yakutat Glacier, Alaska
  • University of Alaska, Fairbanks (UAF), United States of America
DOI
5C (2012-2014) TIPTIMON TAJIKISTAN
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
5C (2015-2016) September 16, 2015 Illapel Earthquake: Seismicity and Segmentation of the Nazca-South America Subudction Zone in Chile
  • University of Florida, United States of America
DOI
5C (2017-2017) Perth Basin Array DOI
5C (2018-2025) JuraQuake
5D (2009-2020) LuxBB Germany
5D (2021-2025) Mikroseismisches Kandel Elztal Experiment DOI
5E (2010-2010) Earthquake Swarms and Aseismic Slip in the Salton Trough: High-Resolution Imaging of the Upper Frictional Stability Transition
  • Cornell University, United States of America
DOI

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