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
7S (2022-2023) Nodal Deployment for the Elgin-Lugoff South Carolina earthquake swarm
  • Georgia Institute of Technology-Georgia Tech (EAS), United States of America
DOI
7T (2007-2007) SEAL2
DOI
7T (2019-2020) LHS
  • China University of Geosciences (CUG CUGB), China
DOI
7T (2022-2022) Quantification and identification of erosion processes leading to the retreat of headwall in high alpine environment
  • INSTAAR, CU Boulder
DOI
7T (2023-2025) Greenland SLIDE project: passive seismic network DOI
7U (2007-2008) SEAL3
DOI
7U (2019-2021) Thwaites Margins Seismic Broadband
  • University of Oklahoma
DOI
7U (2022-2023) SPRESSO South Pole Distributed Acoustic Sensing
DOI
7V (2022-2025) San Jacinto FaultScan Project
  • UC San Diego, United States of America
DOI
7W (2022-2023) VECTOR seismic array in the Irish Midlands
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
7X (2022-2023) LU contribution to _EIFEL-LNX DOI
7Y (2021-2022) Horda platform OBS deployment
  • University of Bergen, Inst of Geophysics (UiB), Norway
DOI
8A (2008-2009) IPY: Stability of Larsen C Ice Shelf in a Warming Climate
  • IRIS PASSCAL Instrument Center @ New Mexico Tech, United States of America
DOI
8A (2010-2012) West Iberia Lithosphere and Astenosphere Structure
DOI
8A (2013-2013) Tungurahua July 2013 Temporary
DOI
8A (2014-2014) Seismic Transect Across the Okavango Rift Zone
  • Woods Hole Oceanographic Institution (WHOI), United States of America
DOI
8A (2015-2018) AfricaArray - Namibia
  • Penn State University, United States of America
DOI
8A (2019-2022) Gofar_Transfrom_Fault
  • Woods Hole Oceanographic Institution (WHOI), United States of America
DOI
8A (2023-2023) Seismic observations and characterization of vehicular activity
  • New Mexico Tech, United States of America
DOI
8A (2024-2024) Black Mountain SmartSolo Node Testing Experiment DOI
8B (2008-2009) NCISP7
DOI
8B (2010-2015) Newberry EGS United States of America
8B (2016-2027) Laptev Sea Rift Seismological Network
  • Alfred Wegener Institute (AWI), Germany
DOI
8C (2007-2016) Lucky Strike OBS Network
8C (2018-2018) Integration of Noble Gas and Seismic Measurements for Small Yield Event Discrimination and Yield Estimation
DOI
8C (2019-2025) Mont-Blanc
DOI
8D (1980-2030) Swiss Seismological Service Aftershock Deployments
DOI
8E (2010-2010) TANGSHAN
  • University of Oklahoma (OU), United States of America
DOI
8E (2011-2013) Mammoth Mountain Broadband Experiment
  • USGS Menlo Park, United States of America
8E (2014-2015) Seismic monitoring at Lascar volcano after 2014 Iquique earthquake
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
DOI
8E (2016-2017) NSF funded project on winds in complex terrain at Perdigao
  • Cornell University, United States of America
DOI
8E (2018-2018) Seismic sensing of hydraulic and sediment transport patterns below frozen subarctic river
DOI
8E (2019-2019) Faial-Pico2019
DOI
8E (2021-2021) PACIFIC multi array for ambient noise seismic survey at Kallak Iron ore deposit (KALLAK) DOI
8E (2022-2026) Erebus low-noise broadband network
  • University of Alaska Fairbanks
DOI
8F (2005-2012) West--Fissure- and Atacama-Fault Seismic Network, Northern Chile
  • Freie Universitaet Berlin, Germany
DOI
8F (2014-2015) Hikurangi Ocean Bottom Investigation of Tremor and Slow Slip, LBPR and TXBP data
  • University of Texas at Austin, United States of America
DOI
8F (2016-2016) MARGATS
  • Universite Brest, France
DOI
8F (2017-2017) Test study to detect moisture in a Playa lake bed
  • Texas Tech University, United States of America
DOI
8F (2018-2019) Gakkel Deep
  • Alfred Wegener Institute (AWI), Germany
DOI
8F (2020-2025) Reykjanes Seismic Network DOI
8G (2008-2012) SISVAR
8G (2013-2015) MEJIPE
  • Freie Universitaet Berlin, Germany
DOI
8G (2016-2017) 2016 Pedernales Earthquake Aftershock Deployment Ecuador
  • Lehigh University, United States of America
DOI
8G (2018-2019) Investigating Geophysical Unrest at Sierra Negra
DOI
8G (2021-2022) La Palma 2021 eruption OBS network DOI
8G (2023-2023) San Fernando Valley, California Nodal Array (2023)
  • Louisiana State University
DOI
8G (2024-2028) Ice Sheets and Interactions, Dronning Maud Land and Coats Land
  • University of Tasmania, Australia
DOI
8H (2007-2007) SISMANTILLES-2
DOI
8H (2009-2011) INGV Temporary Seismic Network for L'Aquila 2009 Sequence DOI

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