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
XZ (2003-2004) DHOFAR Seismic Experiment
  • Institut des Sciences de la Terre
DOI
XP (2005-2007) Discrete vs. Continuous Continental Deformation and the Role of the Lower Crust in the Tien Shan
DOI
XN (2014-2014) Dynamic Response of the Ross Ice Shelf to to Wave Induced Vibrations
  • Scripps Institution of Oceanography (SIO)
DOI
XD (2020-2025) Earthquakes_IINGENUNAM_DEV
DOI
XT (2014-2017) EASI - Eastern Alpine Seismic Investigation
DOI
XO (2005-2005) Eastern Black Sea Seismic Experiment
  • University of Southampton (UK)
XH (2008-2010) Eastern Sierras Pampeanas, Lithospheric Structure above the variably dipping Nazca Slab
  • Purdue University
DOI
XJ (2000-2001) Eastern Snake River Plain Experiment, Shear-wave Splitting in the Snake River Plain
DOI
XG (1999-2001) Eastern Turkey Seismic Experiment: Lithospheric Structure in an Active Continental Collision Zone
DOI
XP (2022-2022) EGS Collab: 4100L
  • Lawrence Berkeley National Lab
DOI
XE (1997-1998) Eifel Plume
  • GEOFON Program (GFZ-Potsdam, Germany)
XS (2002-2002) Embayment Seismic Excitation Experiment
  • University of Memphis, CERI
DOI
XI (2015-2017) Enid OK Network
  • Cornell University
XW (2013-2014) ESG Bayou Corne
  • ESG Solutions (Canada)
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
X6 (2012-2012) Evolution and hydration of the Juan de Fuca crust and uppermost mantle
  • Woods Hole Oceanographic Institution (WHOI)
DOI
X6 (2018-2018) Experimental Multiblast
  • Michigan Technological University (MTU)
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
XH (2021-2021) Fagradalsfjall Acoustics
  • University of North Carolina at Chapel Hill
DOI
XV (2014-2019) Fault Locations and Alaska Tectonics from Seismicity
  • University of Alaska, Fairbanks (UAF, AK USA)
DOI
XC (2015-2015) Florida Magnetotelluric Time Series (USGS-GEOMAG, Florida 2015 Long Period) DOI
XH (2022-2023) FocusX temporary OBS-network
  • French Research Institute for the Exploration of the Sea (IFREMER)
X7 (2019-2019) FORGE Phase2C Stimulation
DOI
XG (2020-2020) France 2020, Dense nodal seismic array in the Rhône Valley, DARE project DOI
X3 (2017-2017) FREY - Nevada National Securty Site HADDOCK
  • University of New Mexico
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
XD (1979-1979) Galopogas Oblique Seismic Experiment
  • Woods Hole Oceanographic Institution (WHOI)
DOI
XA (2013-2016) GANSSER: Swiss BB seismic experiment in Bhutan
DOI
XI (1994-1994) GEDEPTH 1
  • GEOFON Program (GFZ-Potsdam, Germany)
Germany
XF (1997-1999) GEDEPTH-II
  • GEOFON Program (GFZ-Potsdam, Germany)
XK (2021-2026) Geisel Library
DOI
XE (2003-2004) Geodynamics of Indentor Corners
DOI
XC (2002-2002) Geodynamics of Indentor Corners
DOI
XC (2003-2005) Geodynamics of the Tibetan Plateau and the Origin of Great Earthquakes in Western China United States of America
XC (2000-2001) Geodynamics of the Yellowstone Hotspot from Seismic and GPS imaging
DOI
XS (2018-2021) Geophysical characterization of karst aquifers using dynamic recharge events
  • New Mexico Tech
DOI
XG (2023-2024) Geophysical Habitat of Subglacial Thwaites
  • Central Washington University
DOI
XM (2017-2018) Geothermal Seismic Exploration and Monitoring Via Ambient Seismic Noise Interferometry
  • Baylor University
DOI
XS (2012-2013) Geysers Broadband Network
  • ARRAY Information Technology (MD)
XV (2007-2008) Glacier Seismicity and High Resolution Motion Records: Relation to Glacier Erosion
  • University of Alaska, Fairbanks (UAF, AK USA)
DOI
XN (2015-2021) Gorkha Earthquake 2015
  • GEOFON Program (GFZ-Potsdam, Germany)
DOI
XU (2014-2015) Greeley Colorado RAMP Deployment 2014
  • University of Colorado Boulder (CU)
DOI
XQ (1995-1995) Green River Experiment
X4 (2022-2022) Guerrero Gap Active Source Experiment
  • whoi.edu
XA (1979-1979) Gulf of California Oblique Seismic Experiment
  • Woods Hole Oceanographic Institution (WHOI)
DOI
XJ (2011-2011) Gulf of Mexico Hydrates Research Consortium
  • Woods Hole Oceanographic Institution (WHOI)
XZ (2013-2013) Gulf of Mexico USGS Hydrates
  • USGS Woods Hole

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