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
3A (2013-2014)	Coherency and celerity of microbaroms	Los Alamos National Laboratory (LANL), United States of America		DOI
2A (2007-2014)	COGEAR Temporary Deployments, Valais, Switzerland	Swiss Seismological Service, Switzerland	Switzerland	DOI
9A (2007-2008)	COBO	GEOFON Program (GFZ-Potsdam, Germany), Germany		DOI
9N (2020-2020)	CO2 containment and monitoring techniques at Crystal Geyser	Boise State University, United States of America		DOI
2J (2016-2026)	Clemson University Subsurface Deformation Monitoring Network	Clemson University, United States of America		DOI
CP	CIVISA Seismo-Volcanic Monitoring Network-Azores Islands	Centro de Informação e Vigilância Sismovulcânica dos Açores (CIVISA), Portugal University of Azores, Portugal		—
XO (1995-1995)	CINCA95	GEOFON Program (GFZ-Potsdam, Germany), Germany		—
XT (2018-2020)	Cifalps (China-Italy-France Alps seismic transect) - 2	ISTerre (ISTERRE), France		DOI
YP (2012-2013)	CIFALPS	Institut des Sciences de la Terre, France		DOI
1B (2018-2018)	Cholame Nodal Array 2018	University of Oregon, United States of America		DOI
DC	CHIS Experimental Deployments Network	Natural Resources Canada (NRCAN), Canada	Canada	—
PA	ChiriNet	Red Sismica Volcan Baru (Chirinet), Panama		DOI
4N (2017-2022)	China-Western Australia Seismic array	Macquarie University, Australia		DOI
CB	China National Seismic Network, Data Management Centre of China National Seismic Network at Institute of Geophysics, CEA	Institute of Geophysics China Earthquake Administration (IGPCEA), China		DOI
CD	China Digital Seismograph Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
XQ (2019-2019)	Chile Glacial Volcano Experiment	University of North Carolina at Chapel Hill (UNC), United States of America		DOI
C	Chilean National Seismic Network	Universidad de Chile, Dept de Geofisica (DGF), Chile		—
Z4 (2012-2013)	Chilean 2010 post-seismic response	Oregon State University (OSU), United States of America		—
XK (1996-1996)	Chicxulub Impact Crater, Yucatan	IRIS/PASSCAL		—
ZA (1995-1995)	Chicxulub CP	GEOFON Program (GFZ-Potsdam, Germany), Germany	Germany	—
XQ (2020-2024)	CHAUVET	ISTerre (ISTERRE), France		DOI
3N (2018-2018)	Charleston land streamer 2018	Boise State University, United States of America		DOI
Z8 (2016-2017)	Champ Captant Lyon	ISTerre (ISTERRE), France		—
DS	CGS National broadband Seismic Network	National Earthquake Engineering Research Center (CGS), Algeria		DOI
X2 (2023-2023)	CGF-Svalbard	Norwegian Univeristy of Science and Technology (NTNU), Norway	—	DOI
ZQ (2004-2005)	Cerro Blanco	GEOFON Program (GFZ-Potsdam, Germany), Germany		—
C4	CERN Seismic Network	European Organization for Nuclear Research (CERN), Multiple Countries		DOI
ET	CERI Southern Appalachian Seismic Network	University of Memphis, CERI, United States of America		—
TI	Centro Sismologico de America Central	Universidad de Costa Rica, Costa Rica	Costa Rica	—
DR	Centro Nacional de Sismologia	National Seismological Centre (NSC), Nepal		DOI
3A (2016-2016)	Centro di microzonazione sismica Network, 2016 Central Italy seismic sequence	INGV / IDPA-CNR / IMAA-CNR / ENEA, Italy		DOI
UF	Centro de Investigación de Resiliencia y Riesgos Multi-Amenazas	Pontificia Universidad Católica Madre y Maestra (PUCMM), Dominican Republic	—	DOI
YB (2000-2001)	Central Zagros 2001 transect	Reseau sismologique et géodésique français (RESIF), France		DOI
T5	Central Weather Bureau Seismographic Network	Central Weather Bureau (CWB), Taiwan	—	DOI
5H (2017-2019)	Central Virginia and South Carolina seismic monitoring experiment	Virginia Polytechnic Institute and State University (Virginia Tech), United States of America		DOI
AQ	Central Queensland Seismic Network	Central Queensland Seismology Research Group (CQSRG), Australia		DOI
6S (2012-2030)	Central Otago Seismic Array	Victoria University of Wellington, New Zealand		DOI
XA (2008-2009)	Central Oregon Locked Zone Array, Monitoring seismicity associated with a possible asperity on the Cascadia megathrust	Oregon State University (OSU), United States of America		DOI
ZO (2017-2017)	Central Oregon Dense 3C Node Transect	University of Utah, United States of America		DOI
YM (2000-2001)	Central North Island Passive Seismic Exp	None,		—
XL (2012-2016)	Central Mongolia Seismic Experiment	Lehigh University, United States of America		DOI
PG	Central Coast Seismic Network, PG&E	Pacific Gas and Electric (PG&E), United States of America		—
ZJ (2006-2010)	Central China Broadband Experiment	Multimax Inc, United States of America	United States of America	—
KC	Central Asian Seismic Network of CAIAG	Central Asian Institute for Applied Geosciences, Kyrgyzstan		DOI
7F (2010-2012)	Central Arkansas Induced Eathquakes 2010-2011	University of Memphis, CERI, United States of America		—
C3	Central and East European Earthquake Research Network	Central and East European Earthquake Research Network (CE3RN), Austria		DOI
N4	Central and Eastern US Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
ZG (2010-2012)	Central Andean Uplift and the Geodynamics of the High Topography	University of Arizona, United States of America		DOI
8X (2016-2019)	Central Adriatic Seismic Experiment	Swiss Federal Institute of Technology, Zurich (ETHZ), Switzerland		—
ZS (2002-2005)	CENMOVE	GEOFON Program (GFZ-Potsdam, Germany), Germany		—

Network Data API

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