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
XM (2002-2003) Ethiopia-Afar Geoscientific Lithospheric Experiment 6TD Passive Array
  • University of Leicester (SEIS UK)
XJ (2002-2003) Ethiopian Afar Geophysical Lithospheric Experiment
  • Royal Holloway, University of London
YN (2009-2009) ETMO: Endeavour Seismic Tomography Experiment
  • University of Oregon
DOI
7R (2005-2006) EVA
  • Australian National University (ANU, Australia)
DOI
YJ (2008-2008) Evaluation of ACROSS-type Source for San Andreas Fault
DOI
X6 (2012-2012) Evolution and hydration of the Juan de Fuca crust and uppermost mantle
  • Woods Hole Oceanographic Institution (WHOI)
DOI
YB (2016-2016) Evolution of Slow-Spreading Oceanic Crust: South Atlantic
  • Texas A&M University
DOI
X6 (2018-2018) Experimental Multiblast
  • Michigan Technological University (MTU)
3E (2018-2018) Experiment in Fuego
  • University of Liverpool
DOI
XZ (2018-2018) Experiment in Fuego
DOI
XY (2011-2012) Experiment to Determine Hypocenters and Focal Mechanisms of Earthquakes Occurring in Association with Imaged Faults Near Summeville, South Carolina
  • Virginia Polytechnic Institute and State University (VPI&SU or Virginia Tech)
DOI
YY (2013-2016) Exploring extensional tectonics beyond the Ethiopian Rift
  • Cornell University
DOI
3E (2010-2011) Exploring Seismic Velocity of Sediments in the Mississippi Embayment
  • University of Memphis, CERI
DOI
XR (2023-2023) Exploring the potential of geophones for quantifying bedload tranpsort and river ice break up in the Canning River, Alaska
  • University of Colorado Boulder
DOI
Y4 (2014-2015) Extended Pollino Seismic Experiment, 2014-2015
  • GEOFON Program (GFZ-Potsdam, Germany)
DOI
7G (2010-2010) Eyjafjallajokull EY
  • University of Iceland
DOI
XH (2021-2021) Fagradalsfjall Acoustics
  • University of North Carolina at Chapel Hill
DOI
8E (2019-2019) Faial-Pico2019
DOI
ZZ (2019-2022) Farnsworth Unit Surface Seismic Array
  • New Mexico Tech
DOI
YB (2011-2012) Faroe Islands Passive Seismic Experiment
XA (2025-2026) FarSide Seismic Suite
YG (2016-2018) Fate and consequences of Yakutat terrane subduction beneath eastern Alaska and the Wrangell Volcanic Field
  • Cornell University
  • University of Alaska, Fairbanks (UAF, AK USA)
DOI
XV (2014-2019) Fault Locations and Alaska Tectonics from Seismicity
  • University of Alaska, Fairbanks (UAF, AK USA)
DOI
3P (2022-2024) Fault zone hydrogeological response to earthquakes
  • Lawrence Berkeley National Lab
DOI
6C (2009-2010) Ferghana
  • GEOFON Program (GFZ-Potsdam, Germany)
9N (2018-2018) Fibre-optic distributed acoustic sensing, seismological and infrasonic data from Etna DOI
4E (2015-2016) Field Research Station broadband seismometer network
  • University of Bristol (UK)
DOI
YX (2010-2012) Flexarray 3D Passive Seismic Imaging of Core-Complex Extension in the Ruby Range Nevada
  • Stanford University
DOI
YD (2020-2023) FloodRisk Seismic Network
DOI
XC (2015-2015) Florida Magnetotelluric Time Series (USGS-GEOMAG, Florida 2015 Long Period) DOI
YP (2016-2016) Flow and Fracture Dynamics in an Ice Shelf Lateral Margin: Observations and modeling of the McMurdo Shear Zone
DOI
1J (2021-2023) FocusX temporary land-network DOI
XH (2022-2023) FocusX temporary OBS-network
  • French Research Institute for the Exploration of the Sea (IFREMER)
9J (2017-2018) FoMaPS
  • Institute for Geosciences - Goethe University
DOI
8J (2016-2017) FORGE nodal array 1
DOI
X7 (2019-2019) FORGE Phase2C Stimulation
DOI
Z6 (2009-2010) Forsyth Deployment near the South Shatsky Fracture Zone
  • UC San Diego
2B (2018-2018) Fort Boise passive seismic water-recharge monitoring experiment
DOI
5M (2015-2016) FOSA
  • Institute for Geosciences - Goethe University
DOI
5F (2021-2021) Foulness Seismoacoustic Coupling Trial
  • Blacknest (AWE UK)
  • University of Leeds (UK)
DOI
Z1 (2011-2011) Fracture Decoupling Experiment
DOI
YO (2012-2012) Fracture Decoupling Experiment 2
DOI
XG (2020-2020) France 2020, Dense nodal seismic array in the Rhône Valley, DARE project DOI
4M (2013-2016) French Landslide Observatory / OMIV: Permanent seismological records on unstable slopes (OMIV) DOI
1N (2015-2027) French Landslide Observatory – OMIV (Temporary data)
  • Ecole et Observatoire des Sciences de la Terre (EOST)
DOI
X3 (2017-2017) FREY - Nevada National Securty Site HADDOCK
  • University of New Mexico
DOI
YB (2008-2008) Fuego 2008
  • Michigan Technological University (MTU)
DOI
6Q (2021-2023) Fuego Lahar Monitoring
  • Michigan Tech
DOI
XT (2009-2009) Fuego Volcano 2009
  • Michigan Technological University (MTU)
DOI
XJ (2012-2012) Fuego Volcano VLP and Tilt Experiment
  • Michigan Technological University (MTU)
DOI

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