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
XM (2011-2011) Broadband recording at the site of great earthquake rupture in the Alaska Megathrust
  • University of Oklahoma (OU), United States of America
DOI
XI (1995-1997) Broadband Seismic Characterization of the Arabian Shield
DOI
XW (2017-2018) Broadband seismic experiment in NE Uganda to investigate plume-lithosphere interactions
  • Penn State University, United States of America
DOI
XD (2002-2006) Broadband Seismic Experiment in Various Regions in China
DOI
XB (2005-2007) Broadband Seismic Investigation of the Cameroon Volcanic Line
DOI
XD (2001-2001) Broadband Seismic Studies of Dome Growth at Merapi Volcano, Indonesia
DOI
5K (2022-2022) Broadbands for Mines Spring 2022 Field Camp
DOI
YO (2003-2006) Broadband Tomography Under Costa Rica and Nicaragua
DOI
BB Brunei Darussalam National Seismic Network Brunei
7A (1992-1992) BTL Australia
B Bulgarian University Seismic Network DOI
B1 Buryat Regional Seismic Network of the Russian Federation
  • Buryat Branch of the Geophysical Survey of the Russian Academy of Sciences
DOI
X1 (2011-2012) Byrd Lake Reflection Seismics - Cresis
  • Penn State University, United States of America
DOI
RC BYU-Idaho Network
  • Brigham Young Univ-Idaho (BYU Idaho), United States of America
DOI
XH (1992-1993) Cajon Pass Borehole Recording Phase I
  • University of Southern California (USC), United States of America
DOI
YD (2003-2006) Calabria-Appennine-Tyrrhenian/Subduction-Collision-Accretion Network
DOI
EN CalEnergy Subnetwork
  • USGS Caltech, Pasadena, United States of America
YH (2020-2020) Calibration of a distributed acoustic sensing platform for measuring snow depths
  • Harvard University, United States of America
DOI
WR California Division of Water Resources
  • California Division of Water Resources, United States of America
CE California Strong Motion Instrumentation Program
DOI
CT California Transect Network
  • UC Santa Cruz, United States of America
VK California Volcano Observatory DOI
ZE (1999-1999) Calixto
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
8O (2019-2025) CaMI Field Research Station Geophone Network (CaMI.FRS)
DOI
QW Canadian National Earthquake Early Warning System Canada DOI
QX Canadian National Earthquake Early Warning System - Extended Partners DOI
C2 Canadian National Geomagnetic Network
DOI
S4 Canadian National Ionospheric Scintillation Network
C6 Canadian National Riometer Network
CN Canadian National Seismograph Network
DOI
Y5 (2006-2018) Canadian Rockies and Alberta Network
  • University of Alberta, Canada
C8 Canadian Seismic Research Network
  • Geological Survey of Canada, Canada
DOI
T4 Canakkale Onsekiz Mart University Earthquake Research Center
  • Canakkale Onsekiz Mart University (COMU), Türkiye
1C (2022-2025) CANALAB Project - Temporary Seismic Deployment DOI
ZI (2020-2020) Canary Islands seismic monitoring with Distributed Acoustic Sensing
DOI
YZ (2023-2023) Canary Islands seismic monitoring with Distributed Acoustic Sensing (CANDAS) DOI
4L (2017-2019) Canoe Reach Geothermal Field
  • University of Calgary, Canada
DOI
6K (2023-2027) Cape Modern seismic monitoring network DOI
9B (2014-2015) Cape Verde, Fogo Temporary Seismic Network
  • Instituto Português do Mar e da Atmosfera, I.P. (IPMA), Portugal
YW (2002-2004) Cape Verde Mantle Structure
  • University of Bristol, United Kingdom
7J (2005-2008) CAPRA - Linkage
DOI
8K (2014-2015) Capricorn Orogen High Precision Survey DOI
7M (2014-2018) Capricorn Orogen Passive-source Array
  • Macquarie University, Australia
DOI
7A (2021-2023) Carajás Mineral Province Seismic Network DOI
YF (2010-2011) Carboneras Fault Experiment
  • University of Liverpool, United Kingdom
X1 (2009-2010) Carbon Sequestration Technical Assessemnt-Pennsylvania
  • Penn State University, United States of America
ZF (2024-2024) Carbon sequestration VSP and instrument comparison
  • Lawrence Berkeley National Lab
DOI
Y6 (2023-2026) CAREER: A comprehensive seismic investigation to the crust and uppermost mantle beneath the South Pole, East Antarctica
  • Stony Brook University
DOI
7K (2024-2025) CAREER: A comprehensive seismic investigation to the crust and uppermost mantle beneath the South Pole, East Antarctica
  • Stony Brook University
DOI
9X (2023-2024) CAREER: A comprehensive seismic investigation to the crust and uppermost mantle beneath the South Pole, East Antarctica
  • Stony Brook University
DOI

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