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
XD (2002-2006)	Broadband Seismic Experiment in Various Regions in China	IRIS/PASSCAL		DOI
XB (2005-2007)	Broadband Seismic Investigation of the Cameroon Volcanic Line	IRIS/PASSCAL		DOI
XD (2001-2001)	Broadband Seismic Studies of Dome Growth at Merapi Volcano, Indonesia	IRIS/PASSCAL		DOI
5K (2022-2022)	Broadbands for Mines Spring 2022 Field Camp	Colorado School of Mines (CSM), United States of America		DOI
YO (2003-2006)	Broadband Tomography Under Costa Rica and Nicaragua	IRIS/PASSCAL		DOI
BB	Brunei Darussalam National Seismic Network	National Seismic Center of Brunei, Brunei	Brunei	—
7A (1992-1992)	BTL	Australian National University (ANU), Australia	Australia	—
B	Bulgarian University Seismic Network	Faculty of Physics, Sofia University "St. Kliment Ohridski" (FzF-SU), Bulgaria	—	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	IRIS/PASSCAL		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	California Geological Survey (CGS), United States of America		DOI
CT	California Transect Network	UC Santa Cruz, United States of America		—
VK	California Volcano Observatory	United States Geological Survey (USGS), United States of America	—	DOI
ZE (1999-1999)	Calixto	GEOFON Program (GFZ-Potsdam, Germany), Germany		—
8O (2019-2025)	CaMI Field Research Station Geophone Network (CaMI.FRS)	CMC Research Institutes (CMCRI), Canada University of Calgary, Canada		DOI
QW	Canadian National Earthquake Early Warning System	Natural Resources Canada (NRCAN), Canada	Canada	DOI
QX	Canadian National Earthquake Early Warning System - Extended Partners	Natural Resources Canada (NRCAN), Canada	—	DOI
C2	Canadian National Geomagnetic Network	Natural Resources Canada, Lands and Minerals Sector, Hazards, Adaptation, and Operations Branch, Canadian Hazard Information Service, Canada		DOI
S4	Canadian National Ionospheric Scintillation Network	Natural Resources Canada (NRCAN), Canada	—	—
C6	Canadian National Riometer Network	Natural Resources Canada (NRCAN), Canada	—	—
CN	Canadian National Seismograph Network	Natural Resources Canada (NRCAN), Canada		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	University of Oviedo (UNIOVI), 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
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
4L (2017-2019)	Canoe Reach Geothermal Field	University of Calgary, Canada		DOI
6K (2023-2027)	Cape Modern seismic monitoring network	Lawrence Berkeley Laboratory (LBNL), United States of America	—	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	Australian National University (ANU), Australia		DOI
8K (2014-2015)	Capricorn Orogen High Precision Survey	Australian National University (ANU), Australia	—	DOI
7M (2014-2018)	Capricorn Orogen Passive-source Array	Macquarie University, Australia	—	DOI
7A (2021-2023)	Carajás Mineral Province Seismic Network	University of Brasília (UnB), Brazil	—	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
CK	CAREMON Central Asian Cross-border network	GEOFON Program (GFZ-Potsdam, Germany), Germany		—
ZG (1997-1997)	Cariaco	GEOFON Program (GFZ-Potsdam, Germany), Germany	Germany	—
UA	Caribbean Andesite Lava Island Precision Seismo-geodetic Observatory	University of Arkansas - Fayetteville, United States of America	Montserrat	—
YU (2016-2018)	Caribbean-Merida Andes Experiment	Rice University, United States of America		DOI
NA	Caribbean Netherlands Seismic Network	Royal Netherlands Meteorological Institute (KNMI), Netherlands		DOI

Network Data API

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