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
XF (2008-2008) Red Seismological Experiment Chile
XK (2001-2003) Reflections Under the Scottish Highlands: A Broadband Investigation of Upper Mantle Reflectors in Scotland
DOI
XM (2019-2021) REMPARTS
XK (1993-1994) RESERVED
XC (1988-1989) RESERVED
XJ (1994-1994) RESERVED
XT (2010-2010) Retrieval of reflections from seismic background-noise measurements for geophysical imaging of Fault Systems in Reno, NV
DOI
X1 (2013-2016) Réunion Hotspot and Upper Mantle Project
  • University of Frankfurt, Germany
DOI
XK (2004-2006) RISTRA 1.5 -- Colorado Plateau Extension
DOI
XG (1992-1992) Rocky Mountain Front II
DOI
XQ (1999-2000) RUSH-I Reflectors Under Scottish Highlands, phase I
  • University of Bristol, United Kingdom
DOI
X1 (2019-2019) SAGE investigations of the Valles Caldera
  • IRIS PASSCAL Instrument Center @ New Mexico Tech, United States of America
DOI
XQ (2017-2017) Salt Lake 2017 Land Streamer profiling
DOI
XG (2017-2017) San Bernardino Basin (USGS) - Jan 2017 nodal deployment
  • Louisiana State University, United States of America
DOI
XL (1999-2001) San Francisco/Oakland Dense Array 2000
DOI
XS (2005-2005) San Jose Microtremor 2005
XO (2000-2001) Santa Clara Valley 2000
  • USGS Menlo Park, United States of America
DOI
XL (1998-1998) Santa Clara Valley Fill structure
DOI
XE (2012-2014) Seismic Activity of Low Angle Normal Faults in Death Valley, Caifornia
  • University of Washington, United States of America
DOI
X2 (2009-2010) Seismic Analysis of the HiKurangi Experimentm Wellington Geophysical Transect
  • Victoria University of Wellington, New Zealand
DOI
XQ (2007-2009) Seismic and Geodetic Investigations of Mendocino Triple Junction Dynamics
  • University of Oregon, United States of America
DOI
XK (2015-2015) Seismic Array of the Sevilleta
  • University of New Mexico (UNM), United States of America
XK (2012-2014) Seismic Arrays for African Rift Initation
  • Missouri University of Science & Technology (Missouri S&T), United States of America
DOI
XH (2004-2004) Seismic Array Studies of Cascadia Deep Tremor
DOI
XI (2024-2024) Seismic Baseline Survey Along the Northern Gulf of Mexico in Texas
  • University of Houston
DOI
X3 (2018-2018) Seismic Characterization and Tracking of Flash Floods in a Post-Fire Arid Canyon System
  • University of South Florida (USF), United States of America
DOI
XP (2015-2019) Seismic Experiment for Imaging Structure beneath Connecticut
  • Yale University, United States of America
DOI
XB (1997-1999) Seismic Experiment in Patagonia and Antarctica, A Broadband study of the tectonics and structure of the Antarctic Peninsula and Scotia Sea Regions
DOI
XJ (2004-2006) Seismic Experiment in the Aisen Region of Chile
  • University of Cambridge Earth Sciences, United Kingdom
XY (2004-2004) Seismic Imaging of Fractures at Krafla, Iceland
DOI
XW (2007-2008) Seismic Imaging of the Mantle Beneath the Anatolian-Aegan Domain
DOI
XY (2007-2009) Seismic Imagining of the Mantle Beneath the Anatolian-Aegan Domain
  • Observatoire de Grenoble, Grenoble, France
DOI
XI (2000-2002) Seismic Investigation of Deep Structure Beneath the Ethiopian Plateau and Afar Depression
DOI
XR (2008-2011) Seismic Investigation of Edge Driven Convection Associated with the Rio Grande Rift.
  • University of Texas at Austin, United States of America
DOI
XD (1994-1995) Seismic investigations of the Lithospheric Structure of the Tanzanian Craton
DOI
XR (2016-2017) Seismicity near the Nemaha fault in northern Oklahoma
  • Cornell University, United States of America
DOI
X7 (2007-2009) Seismic Monitoring of Active Rock Fall Source Areas in the Yosemite National Park
DOI
XV (1997-1998) Seismic Monitoring of Gatun Dam, Panama Canal
DOI
XO (2016-2017) Seismic Network for Site Effect Studies in Amatrice Area (Central Italy)
DOI
X6 (2019-2020) Seismic Observations of Glacier Creek to Infer Timing and Magnitude of Bedload Transport
DOI
XT (1994-1996) Seismic Probing of the Ontong-Java Plateau
DOI
XV (1999-2000) Seismic Profile Across Kilauea Volcano's East Rift Zone
DOI
XD (1980-1981) Seismic-Refraction Profiles in the Western Mojave Desert, California
  • IRIS DMC, United States of America
XC (1980-1982) Seismic Refraction Surveys in the Livermore Valley and the Santa Cruz Mountain, California
  • USGS Menlo Park, United States of America
XD (1996-1998) Seismic study of the Iceland hotspot
DOI
XH (2011-2011) Seismic Survey of Greeland Icesheet Margins
  • Swiss Federal Institute of Technology, Zurich (ETHZ), Switzerland
DOI
X2 (2011-2011) Seismic Wide-Angle across the RIFT
DOI
XV (2024-2024) Semipalatinsk Seismo-Acoustic Monitoring
  • Michigan State University
DOI
XZ (2019-2019) Shale Hills Critical Zone Observatory Mini-Array Experiment
  • Penn State University, United States of America
DOI
XJ (1998-1999) Side Edge of Kamchatka Subduction
DOI

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