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
XH (1998-1999) TransAlp-1
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany
XH (2000-2000) ISSA2000
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany
XH (2001-2001) START
XH (2002-2003) Integrated Seismological Studies of Crust and Upper Mantle Structure in Western Anatolia
DOI
XH (2004-2004) Seismic Array Studies of Cascadia Deep Tremor
DOI
XH (2005-2006) Cascade Tiltmeter Array
  • Central Washington University, United States of America
XH (2007-2007) Hawaiian South Flank Slow EQ Project
  • University of Wisconsin, Madison, United States of America
DOI
XH (2008-2010) Eastern Sierras Pampeanas, Lithospheric Structure above the variably dipping Nazca Slab
  • Purdue University, United States of America
DOI
XH (2011-2011) Seismic Survey of Greeland Icesheet Margins
  • Swiss Federal Institute of Technology, Zurich (ETHZ), Switzerland
DOI
XH (2012-2013) Small aperture array for observing a slow slip event on Kilauea volcano.
  • University of Wisconsin, Madison, United States of America
DOI
XH (2014-2017) Collaborative Research: Collaborative Research: Dynamic Response of the Ross Ice Shelf to Ocean Waves and Structure and Dynamics of the Ross Sea from a Passive Seismic Deployment on the Ross Ice Shelf
  • Scripps Institution of Oceanography (SIO), United States of America
DOI
XH (2018-2019) PREST in Cuba
XH (2020-2020) White Sand Test Facility ANSWT Noise Test
  • SIsprobe SAS
DOI
XH (2021-2021) Fagradalsfjall Acoustics
  • University of North Carolina at Chapel Hill (UNC), United States of America
DOI
XH (2022-2024) FocusX temporary OBS-network
  • French Research Institute for the Exploration of the Sea (IFREMER), France
XI (1994-1994) GEDEPTH 1
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Germany
XI (1995-1997) Broadband Seismic Characterization of the Arabian Shield
DOI
XI (1998-1999) Study of Changbai Volcanoes and Deep Subduction Zone
DOI
XI (2000-2002) Seismic Investigation of Deep Structure Beneath the Ethiopian Plateau and Afar Depression
DOI
XI (2003-2004) TAG Hydrothermal Mound Passive Seismic Experiment
  • Woods Hole Oceanographic Institution (WHOI), United States of America
XI (2005-2005) 3D Tomographic Imaging of the Chicxulub Crater
  • Imperial College London, United Kingdom
XI (2006-2006) South Pole Analysis of Machines, Characterization of High Frequency Noise Generated at the South Pole Station, Antarctica
  • IRIS HQ, United States of America
DOI
XI (2007-2010) Collision of the Burma Arc accretionary prism and foldbelt with the Ganges-Brahmaputra Delta in Bangladesh
  • Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America
DOI
XI (2011-2013) Superior Province Rifting Earthscope Experiment
  • Northwestern University, United States of America
DOI
XI (2014-2014) Long Beach Broadband or LA Syncline Seismic Interferometry Experiment
  • NodalSeismic, United States of America
DOI
XI (2015-2017) Enid OK Network
  • Cornell University, United States of America
XI (2018-2023) Instrumentation for Multidisciplinary Monitoring of an Alaskan Peatland
DOI
XI (2024-2024) Seismic Baseline Survey Along the Northern Gulf of Mexico in Texas
  • University of Houston
DOI
XJ (1988-1988) Argo Abyssal Plain VSP
  • Woods Hole Oceanographic Institution (WHOI), United States of America
DOI
XJ (1994-1994) RESERVED
XJ (1995-1996) Adirondack Broadband Campaign
DOI
XJ (1997-1997) The Sierran Paradox Experiment
DOI
XJ (1998-1999) Side Edge of Kamchatka Subduction
DOI
XJ (2000-2001) Eastern Snake River Plain Experiment, Shear-wave Splitting in the Snake River Plain
DOI
XJ (2002-2003) Ethiopian Afar Geophysical Lithospheric Experiment
  • Royal Holloway, University of London, United Kingdom
XJ (2004-2006) Seismic Experiment in the Aisen Region of Chile
  • University of Cambridge Earth Sciences, United Kingdom
XJ (2007-2007) Tomo TEIDEVS
  • University of Liverpool, United Kingdom
XJ (2008-2008) Wells, Nevada Aftershock Recording
DOI
XJ (2009-2009) L' Aquila Aftershock Experiment
DOI
XJ (2010-2010) High-resolution imaging of magma transport at the summit of Kilauea Volcano
DOI
XJ (2011-2011) Gulf of Mexico Hydrates Research Consortium
  • Woods Hole Oceanographic Institution (WHOI), United States of America
XJ (2012-2012) Fuego Volcano VLP and Tilt Experiment
  • Michigan Technological University (MTU), United States of America
DOI
XJ (2013-2015) Magadi-Natron Magmatic Rifting Studies
  • University of Rochester, United States of America
DOI
XJ (2016-2017) Impact of subglacial discharge on turbulent plume dynamics and ocean-glacier heat and mass transfer
  • University of Alaska Southeast (UAS), United States of America
DOI
XJ (2018-2027) Deployments associated with OBS deployments in Swiss Lakes
  • Swiss Federal Institute of Technology, Zurich (ETHZ), Switzerland
DOI
XK (1993-1994) RESERVED
XK (1995-1995) ICEMELT, Anarctica
XK (1996-1996) Chicxulub Impact Crater, Yucatan
XK (1997-1997) Teleseismic Studies in the Western Superior Transect, Canada
DOI
XK (1998-1998) Merapi and Semeru Volcano Project
DOI

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