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
4M (2013-2016) French Landslide Observatory / OMIV: Permanent seismological records on unstable slopes (OMIV) DOI
4M (2018-2019) Los Angeles Basin Seismic Experiment
  • Louisiana State University, United States of America
4M (2022-2024) Seismic Campaign Around the Lombardian Pass network DOI
4N (2017-2022) China-Western Australia Seismic array
  • Macquarie University, Australia
4O (2018-2020) Longmen P
4O (2022-2023) Sandia DAS
  • Sandia National Laboratories, United States of America
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
4Q (2022-2022) WHOLESCALE survey at San Emidio, Nevada, USA
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
4S (2018-2018) STAK
  • University of East Anglia (UEA), United Kingdom
4S (2019-2020) Active seismic imaging of a leaky CO2 fault system
4S (2022-2023) Serra La Nave Distributed Acoustic Sensing Experiment (Etna) DOI
4T (2018-2099) Texas Seismological Network
4U (2018-2019) Dry Alluvium Geology Gradiometry
  • Sandia National Laboratories, United States of America
4U (2022-2023) São Jorge OBS Network
  • University College London (UCL), United Kingdom
4V (2022-2023) Aurora Vent Field Gakkel Ridge
  • Alfred Wegener Institute (AWI), Germany

Network Data API

The network data shown here is also available programmatically through a web service API.