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
VO	CAVONE SEISMIC NETWORK	Eni spa, Italy		DOI
YB (2004-2004)	Cavola a Broadband Dense Array on a Landslide	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy		DOI
CS	Caucusus Array	Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America		—
7A (2019-2019)	CATENA	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany		DOI
CA	Catalan Seismic Network	Institut Cartogràfic i Geològic de Catalunya (ICGC), Spain		DOI
6J (2013-2016)	CASSAT_FR	CEREMA (CEREMA), France		—
Z9 (2021-2025)	Casey-Wilkins Adaptable Array	University of Tasmania, Australia	—	DOI
9V (2015-2025)	Casey - Davis region	University of Tasmania, Australia		DOI
5F (2010-2011)	CASE-IPY	University of Strasbourg (Unistra), France		—
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		DOI
5E (2014-2015)	Cascadia Initiative	Oregon State University (OSU), United States of America		DOI
XG (2009-2011)	Cascadia Array of Arrays	University of Washington, United States of America		DOI
XH (2005-2006)	Cascade Tiltmeter Array	Central Washington University, United States of America		—
CC	Cascade Chain Volcano Monitoring	Cascades Volcano Observatory (CVO), United States of America		DOI
6D (2020-2021)	Caruaru PE	Universidade Federal do Rio Grande do Norte (UFRN), Brazil	—	DOI
YG (2005-2007)	Carpathian Basins Project Regional Array	University of Leeds, United Kingdom		—
4P (2020-2021)	Carnegie Washington Backyard Network	Carnegie Institution for Science (CIS), United States of America	—	DOI
DT	Carnegie Analog Broadband Seismograph Network	Carnegie Institute of Washington / Science (DTM CIW), United States of America		DOI
CU	Caribbean Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
NA	Caribbean Netherlands Seismic Network	Royal Netherlands Meteorological Institute (KNMI), Netherlands		DOI
YU (2016-2018)	Caribbean-Merida Andes Experiment	Rice University, United States of America		DOI
UA	Caribbean Andesite Lava Island Precision Seismo-geodetic Observatory	University of Arkansas - Fayetteville, United States of America	Montserrat	—
ZG (1997-1997)	Cariaco	GEOFON Program (GFZ-Potsdam, Germany), 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		DOI
ZF (2024-2024)	Carbon sequestration VSP and instrument comparison	Lawrence Berkeley National Lab		DOI
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	University of Brasília (UnB), Brazil	—	DOI
7M (2014-2018)	Capricorn Orogen Passive-source Array	Macquarie University, Australia	—	DOI
8K (2014-2015)	Capricorn Orogen High Precision Survey	Australian National University (ANU), Australia	—	DOI
7J (2005-2008)	CAPRA - Linkage	Australian National University (ANU), Australia		DOI
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		—
6K (2023-2027)	Cape Modern seismic monitoring network	Lawrence Berkeley Laboratory (LBNL), United States of America	—	DOI
4L (2017-2019)	Canoe Reach Geothermal Field	University of Calgary, Canada		DOI
YZ (2023-2023)	Canary Islands seismic monitoring with Distributed Acoustic Sensing (CANDAS)	CANALINK-Canarias submarine link S.L (Canalink), Spain Institute of Marine Sciences (ICM), Spain University of Alcalá, Spain	—	DOI
ZI (2020-2020)	Canary Islands seismic monitoring with Distributed Acoustic Sensing	Institute of Marine Sciences (ICM), Spain RedIRIS (RedIRIS), Spain University of Alcalá, Spain		DOI
1C (2022-2025)	CANALAB Project - Temporary Seismic Deployment	University of Oviedo (UNIOVI), Spain	—	DOI
T4	Canakkale Onsekiz Mart University Earthquake Research Center	Canakkale Onsekiz Mart University (COMU), Türkiye		—
C8	Canadian Seismic Research Network	Natural Resources Canada (NRCAN), Canada		—
Y5 (2006-2018)	Canadian Rockies and Alberta Network	University of Alberta, Canada		—
CN	Canadian National Seismograph Network	Natural Resources Canada (NRCAN), Canada		DOI
C2	Canadian National Geomagnetic Network	Natural Resources Canada (NRCAN), Canada	Canada	—
QX	Canadian National Earthquake Early Warning System - Extended Partners	Natural Resources Canada (NRCAN), Canada	—	DOI
QW	Canadian National Earthquake Early Warning System	Natural Resources Canada (NRCAN), Canada	Canada	DOI
8O (2019-2025)	CaMI Field Research Station Geophone Network (CaMI.FRS)	CMC Research Institutes (CMCRI), Canada University of Calgary, Canada		DOI
ZE (1999-1999)	Calixto	GEOFON Program (GFZ-Potsdam, Germany), Germany		—

Network Data API

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