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
XJ (2018-2027) Deployments associated with OBS deployments in Swiss Lakes
  • Swiss Federal Institute of Technology, Zurich (ETHZ), Switzerland
DOI
XO (2020-2020) Determination of the deep shear wave velocity structure of northwestern Washoe Valley
DOI
X5 (2018-2018) Determining the Shear Wave Velocity structure of Shallow Marine Sediments utilizing the MASW method
  • University of North Florida (UNF), United States of America
DOI
X1 (2004-2005) Development and Testing of a Deep-Water, Acoustically-Linked, Moored- Buoy Seafloor Observatory
  • Woods Hole Oceanographic Institution (WHOI), United States of America
XD (2007-2010) Development of A Power and Communication for Remote Autonomous GPS and Seismic Stations in Antarctica
DOI
XZ (2003-2004) DHOFAR Seismic Experiment
  • Institut des Sciences de la Terre, France
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), United States of America
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, United Kingdom
XH (2008-2010) Eastern Sierras Pampeanas, Lithospheric Structure above the variably dipping Nazca Slab
  • Purdue University, United States of America
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
XS (2023-2023) Eastwind Glacier Geophysical Surveys ON Top Of Antarctic iceShelf Transition
DOI
XP (2022-2022) EGS Collab: 4100L
  • Lawrence Berkeley National Lab
DOI
XE (1997-1998) Eifel Plume
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
XS (2002-2002) Embayment Seismic Excitation Experiment
  • University of Memphis, CERI, United States of America
DOI
XI (2015-2017) Enid OK Network
  • Cornell University, United States of America
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), United Kingdom
XJ (2002-2003) Ethiopian Afar Geophysical Lithospheric Experiment
  • Royal Holloway, University of London, United Kingdom
X6 (2012-2012) Evolution and hydration of the Juan de Fuca crust and uppermost mantle
  • Woods Hole Oceanographic Institution (WHOI), United States of America
DOI
X6 (2018-2018) Experimental Multiblast
  • Michigan Technological University (MTU), United States of America
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 (Virginia Tech), United States of America
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 (CU), United States of America
DOI
XH (2021-2021) Fagradalsfjall Acoustics
  • University of North Carolina at Chapel Hill (UNC), United States of America
DOI
XA (2025-2027) FarSide Seismic Suite
XV (2014-2019) Fault Locations and Alaska Tectonics from Seismicity
  • University of Alaska, Fairbanks (UAF), United States of America
DOI
X3 (2003-2005) Flinders Ranges DOI
XC (2015-2015) Florida Magnetotelluric Time Series (USGS-GEOMAG, Florida 2015 Long Period) DOI
XH (2022-2024) FocusX temporary OBS-network
  • French Research Institute for the Exploration of the Sea (IFREMER), France
X7 (2019-2019) FORGE Phase2C Stimulation
DOI
XG (2020-2020) France 2020, DARE project : Temporary Dense nodal seismic array in the Rhône Valley, DOI
X3 (2017-2017) FREY - Nevada National Securty Site HADDOCK
  • University of New Mexico (UNM), United States of America
DOI
XT (2009-2009) Fuego Volcano 2009
  • Michigan Technological University (MTU), United States of America
DOI
XJ (2012-2012) Fuego Volcano VLP and Tilt Experiment
  • Michigan Technological University (MTU), United States of America
DOI
XD (1979-1979) Galopogas Oblique Seismic Experiment
  • Woods Hole Oceanographic Institution (WHOI), United States of America
DOI
XA (2013-2016) GANSSER: Swiss BB seismic experiment in Bhutan
DOI
XI (1994-1994) GEDEPTH 1
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany
XF (1997-1999) GEDEPTH-II
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
XK (2021-2026) Geisel Library
DOI
XW (2023-2023) GEOCANTABRICAE_PICOS DOI
XC (2002-2002) Geodynamics of Indentor Corners
DOI
XE (2003-2004) 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
XT (2023-2023) GeoLAB
  • ARDITI - Agência Regional para o Desenvolvimento da Investigação, Tecnologia e Inovação
DOI
XS (2018-2021) Geophysical characterization of karst aquifers using dynamic recharge events
  • New Mexico Tech, United States of America
DOI

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