International Federation of Digital Seismograph Networks
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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
XR (2008-2011) Seismic Investigation of Edge Driven Convection Associated with the Rio Grande Rift.
  • University of Texas at Austin
DOI
XI (2000-2002) Seismic Investigation of Deep Structure Beneath the Ethiopian Plateau and Afar Depression
DOI
XY (2007-2009) Seismic Imagining of the Mantle Beneath the Anatolian-Aegan Domain
  • Observatoire de Grenoble, Grenoble
DOI
XW (2007-2008) Seismic Imaging of the Mantle Beneath the Anatolian-Aegan Domain
DOI
XY (2004-2004) Seismic Imaging of Fractures at Krafla, Iceland
DOI
XJ (2004-2006) Seismic Experiment in the Aisen Region of Chile
  • University of Cambridge (UK) Earth Sciences
—
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
XP (2015-2019) Seismic Experiment for Imaging Structure beneath Connecticut
  • Yale University
DOI
X3 (2018-2018) Seismic Characterization and Tracking of Flash Floods in a Post-Fire Arid Canyon System
  • University of South Florida (USF)
DOI
XH (2004-2004) Seismic Array Studies of Cascadia Deep Tremor
DOI
XK (2012-2014) Seismic Arrays for African Rift Initation
  • Missouri University of Science & Technology(Former UM-Rolla)(Missouri S&T USA)
DOI
XK (2015-2015) Seismic Array of the Sevilleta
  • University of New Mexico (UNM)
—
XQ (2007-2009) Seismic and Geodetic Investigations of Mendocino Triple Junction Dynamics
  • University of Oregon
DOI
X2 (2009-2010) Seismic Analysis of the HiKurangi Experimentm Wellington Geophysical Transect
  • Victoria University of Wellington
DOI
XE (2012-2014) Seismic Activity of Low Angle Normal Faults in Death Valley, Caifornia
  • University of Washington
DOI
XL (1998-1998) Santa Clara Valley Fill structure
DOI
XO (2000-2001) Santa Clara Valley 2000
  • USGS Menlo Park
DOI
XS (2005-2005) San Jose Microtremor 2005
—
XL (1999-2001) San Francisco/Oakland Dense Array 2000
DOI
XG (2017-2017) San Bernardino Basin (USGS) - Jan 2017 nodal deployment
  • Louisiana State University
DOI
XQ (2017-2017) Salt Lake 2017 Land Streamer profiling
DOI
X1 (2019-2019) SAGE investigations of the Valles Caldera
  • IRIS PASSCAL Instrument Center @ New Mexico Tech
DOI
XQ (1999-2000) RUSH-I Reflectors Under Scottish Highlands, phase I
  • University of Bristol (UK)
 — DOI
XG (1992-1992) Rocky Mountain Front II
DOI
XK (2004-2006) RISTRA 1.5 -- Colorado Plateau Extension
DOI
X1 (2013-2016) Réunion Hotspot and Upper Mantle Project
  • University of Frankfurt
DOI
XT (2010-2010) Retrieval of reflections from seismic background-noise measurements for geophysical imaging of Fault Systems in Reno, NV
DOI
XK (1993-1994) RESERVED — —
XC (1988-1989) RESERVED — —
XJ (1994-1994) RESERVED — —
XM (2019-2021) REMPARTS
—
XK (2001-2003) Reflections Under the Scottish Highlands: A Broadband Investigation of Upper Mantle Reflectors in Scotland
DOI
XF (2008-2008) Red Seismological Experiment Chile —
XG (2018-2018) Rattlesnake Ridge 2018
  • University of Oregon
DOI
XQ (2015-2016) Rapid response to the Mw 7.9 earthquake of April 25, 2015 in Nepal
  • Oregon State University (OSU USA)
—
XY (2010-2010) RAMP response for 2010 Chile earthquake
  • University of Florida
DOI
X7 (2010-2014) PYRenean Observational Portable Experiment
DOI
XB (2009-2013) Program to Investigate Convective Alboran Sea System Overturn
  • University of Oregon
DOI
XH (2018-2019) PREST in Cuba
—
XQ (2012-2014) Pre-Hydrofracking Regional Assessment of Central Carolina Seismicity
DOI
XV (2002-2002) Precambrian Crustal Structure in Western Ohio
  • Wright State University
DOI
XM (2016-2016) Poroelastic Tomography at Brady Geothermal Field
  • University of Wisconsin, Madison
DOI
XE (2022-2033) Pollino Broad-Band Near Fault Observatory (2022-2033), Southern Italy — DOI
XK (2007-2009) POLENET/LAPNET
DOI
X9 (2012-2013) Plate Boundary Evolution and Physics at an Oceanic Transform Fault System
  • Oregon State University (OSU USA)
DOI
XQ (2010-2010) Pismo BeachNet
  • Cuesta Community college
 United States of America —
XW (2016-2016) Pisagua/Iquique Crustal Tomography to Understand the Region of the Earthquake Source - OBSIP OBS Component
  • IRIS OBSIP (OBSIP)
DOI
XS (2022-2022) Pinos channel rock drop and rolling experiment
  • New Mexico Tech
DOI
XA (1990-1990) Piñon Flats Small Aperture Array, High Frequency Array
DOI
XA (1991-1991) Piñon Flats Small Aperture Array, Broadband Triggered Array
DOI

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