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
CA Catalan Seismic Network
6J (2013-2016) CASSAT_FR
8S (2015-2021) Casey - Davis region
  • University of Tasmania, Australia
5F (2010-2011) CASE-IPY
XZ (1993-1994) Cascadia/SEED reformat
  • Arizona State University, United States of America
7A (2010-2011) Cascadia- Keck
  • Woods Hole Oceanographic Institution (WHOI), United States of America
7D (2011-2017) Cascadia Initiative Community Experiment - OBS Component
  • IRIS HQ, United States of America
5E (2014-2015) Cascadia Initiative
  • Oregon State University (OSU), United States of America
XG (2009-2011) Cascadia Array of Arrays
  • University of Washington, United States of America
XH (2005-2006) Cascade Tiltmeter Array
  • Central Washington University, United States of America
CC Cascade Chain Volcano Monitoring
6D (2020-2021) Caruaru PE
  • Universidade Federal do Rio Grande do Norte (UFRN), Brazil
YG (2005-2007) Carpathian Basins Project Regional Array
4P (2020-2021) Carnegie Washington Backyard Network DOI
DT Carnegie Analog Broadband Seismograph Network
CU Caribbean Network
NA Caribbean Netherlands Seismic Network
YU (2016-2018) Caribbean-Merida Andes Experiment
  • Rice University, United States of America
UA Caribbean Andesite Lava Island Precision Seismo-geodetic Observatory
  • University of Arkansas - Fayetteville, United States of America
ZG (1997-1997) Cariaco
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
CK CAREMON Central Asian Cross-border network
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
Y6 (2023-2026) CAREER: A comprehensive seismic investigation to the crust and uppermost mantle beneath the South Pole, East Antarctica
  • Stony Brook University
X1 (2009-2010) Carbon Sequestration Technical Assessemnt-Pennsylvania
  • Penn State University, United States of America
YF (2010-2011) Carboneras Fault Experiment
  • University of Liverpool, United Kingdom
7A (2021-2023) Carajás Mineral Province Seismic Network DOI
7M (2014-2018) Capricorn Orogen Passive-source Array
  • Macquarie University, Australia
8K (2014-2015) Capricorn Orogen High Precision Survey DOI
7J (2005-2008) CAPRA - Linkage
YW (2002-2004) Cape Verde Mantle Structure
  • University of Bristol, United Kingdom
9B (2014-2015) Cape Verde, Fogo Temporary Seismic Network
  • Instituto Português do Mar e da Atmosfera, I.P. (IPMA), Portugal
4L (2017-2019) Canoe Reach Geothermal Field
  • University of Calgary, Canada
YZ (2023-2023) Canary Islands seismic monitoring with Distributed Acoustic Sensing (CANDAS) DOI
ZI (2020-2020) Canary Islands seismic monitoring with Distributed Acoustic Sensing
1C (2022-2025) CANALAB Project - Temporary Seismic Deployment DOI
T4 Canakkale Onsekiz Mart University Earthquake Research Center
  • Canakkale Onsekiz Mart University (COMU), Türkiye
C8 Canadian Seismic Research Network
Y5 (2006-2018) Canadian Rockies and Alberta Network
  • University of Alberta, Canada
CN Canadian National Seismograph Network
C2 Canadian National Geomagnetic Network Canada
QX Canadian National Earthquake Early Warning System - Extended Partners DOI
QW Canadian National Earthquake Early Warning System Canada DOI
8O (2019-2025) CaMI Field Research Station Geophone Network (CaMI.FRS)
ZE (1999-1999) Calixto
  • GEOFON Program (GFZ-Potsdam, Germany), Germany
VK California Volcano Observatory DOI
CT California Transect Network
  • UC Santa Cruz, United States of America
CE California Strong Motion Instrumentation Program
  • California Division of Mines and Geology (CDMG), United States of America
WR California Division of Water Resources
  • California Division of Water Resources, United States of America
YH (2020-2020) Calibration of a distributed acoustic sensing platform for measuring snow depths
  • Harvard University, United States of America
EN CalEnergy Subnetwork
  • USGS Caltech, Pasadena, United States of America
YD (2003-2006) Calabria-Appennine-Tyrrhenian/Subduction-Collision-Accretion Network

Network Data API

The network data shown here is also available programmatically through a web service API.