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
ZO (2019-2019)	Colorado State University Mountain Campus Site Evaluation	Colorado State University (CSU)		DOI
YM (2004-2005)	Columbia Glacier Passive Seismic Experiment	IRIS/PASSCAL		DOI
ZI (2011-2013)	CoMITAC Morocco-Bristol Network	University of Bristol (UK)		DOI
Y6 (2019-2019)	Community, Arts, and Environmental Setting of Fly Geyser, Nevada	University of Nevada, Reno (UNR)		DOI
CJ	Community Seismic Network	California Institute of Technology (Caltech)		—
QM	Comoros Archipelago Seismic and Volcano Network	Institut de Physique du Globe de Paris (IPGP)		DOI
Z4 (2021-2021)	Complementing the 2020 Langseth offshore Cascadia survey with a large-N onshore nodal deployment	South Dakota School of Mines & Technology		DOI
XL (2002-2007)	COnsortium for Arizona Reconnaissance Seismic Experiment	None		—
YB (2013-2015)	Continental Dynamics/Central Anatolian Tectonics: Surface to mantle dynamics during collision to escape	University of Missouri (MU) (Mizzou)		DOI
2C (2014-2015)	Continental Lithospheric Breakup in East Africa	University Montpellier II (UM2 UMSF France)		DOI
YL (2005-2008)	Continental lithospheric deformation along a major strike-slip fault zone: the central North Anatolian Fault Zone, Turkey	University of Arizona		DOI
2C (2018-2022)	COntrol SEISmicity and Manage Induced earthQuakes	ETHZ (Swiss Federal Institute of Technology, Zurich Switzerland)		DOI
6B (2017-2019)	Controls on along-strike variations in locked and creeping megathrust behavior at the Hikurangi convergent margin	University of Southern California (USC)		DOI
2B (2004-2005)	Cooperative monitoring of volcanic tremor at Villarrica Volcano, Chile	University of Washington		DOI
NM	Cooperative New Madrid Seismic Network	CERI - University of Memphis		—
XC (1995-1996)	Cooperative Project on South Island New Zealand	IRIS/PASSCAL		DOI
YK (2000-2002)	Coordinated Seismic Experiment in the Azores	Eidgendssisch Technische Hochschule (ETH Zurich) - Swiss Seismological Service		—
CL	Corinth Riff Laboratory	Institut de Sciences de l'Univers (INSU) (CNRS-INSU)		DOI
OL	Cornegliano Laudense Seismic Network	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS)	Italy	DOI
YU (2019-2024)	Cornell University Earth Source Heat seismic network	Cornell University		DOI
Y3 (2011-2011)	Cornell-USGS Virgina Aftershock iMaging exPeriment	Cornell University		DOI
7J (2011-2011)	Correlating seismic and visual (TLS) signals at Breidamerkurjokull, Iceland	University of South Florida (USF)		DOI
CG	Coso Microearthquake Network	Geothermal Program Office/US Navy	United States of America	—
XB (2008-2008)	Costa Rica Active Source OBS Experiment	Woods Hole Oceanographic Institution (WHOI)		—
ZX (2005-2007)	Costa Rica Poco Sol	Rutgers University		—
XA (1983-1983)	Costa Rica Seismic Experiment	Woods Hole Oceanographic Institution (WHOI)		—
X8 (2011-2011)	Coulman High VSP, Antarctica, 2010	UC Santa Barbara		DOI
YZ (2008-2008)	Crater Lake 2008	Carnegie Institute of Washington / Science (DTM CIW)		DOI
XW (2012-2012)	CRESIS Greenland 2012	Penn State University		DOI
ZS (2009-2009)	CReSIS Greenland Lake Drainage 2009	Penn State University		DOI
ZD (1996-1997)	Crete-TE	GEOFON Program (GFZ-Potsdam, Germany)		—
CR	Croatian Seismograph Network	University of Zagreb		DOI
3E (2015-2015)	Crustal Magma Plumbing of the Santorini Volcanic System - Land Component	University of Oregon		DOI
1E (2015-2016)	Crustal Magma Plumbing of the Santorini Volcanic System - OBS Component	University of Oregon		DOI
3H (2014-2015)	Crustal Seismicity along for the Southern Andes Volcanic Zone	GEOMAR		DOI
YA (1998-2000)	Crustal Structure of Coso Geothermal Field, California	IRIS/PASSCAL		DOI
2F (2017-2020)	Crust and lithosphere Investigation of the Easternmost expression of the Laramide Orogeny - Pilot Experiment	UC Riverside		DOI
Y1 (2018-2021)	Crust and mantle structure and the expression of extension in the Turkana Depression of Kenya and Ethiopia	Tulane University (TU USA)		DOI
XT (2003-2005)	Crust-Mantle Interactions during Continental Growth and High-Pressure Rock Exhumation at an Oblique Arc-Continent Collision Zone: SE Caribbean Margin	University of California, San Diego (UCSD)		DOI
5H (2013-2016)	Crust of the Oman Ophiolite and its Lithosphere	Christian Albrechts - Universitat zu Kiel		DOI
XR (2004-2007)	CSEDI: Observational and Theoretical Constraints on the Structure and Rotation of the Inner Core	IRIS/PASSCAL		DOI
WC	Curacao Seismic Network	Meteorologische Dienst Curacao		—
1F (2009-2009)	Curnamona	Australian National University (ANU, Australia)		DOI
ZZ (2002-2005)	CYCLADES	GEOFON Program (GFZ-Potsdam, Germany)		DOI
CQ	Cyprus Broadband Seismological Network	Geological Survey Department Cyprus		DOI
C9	Czech Microbarograph Network	Institute of Atmospheric Physics of the Czech Academy of Sciences	Czechia	DOI
CZ	Czech Regional Seismic Network	Charles University in Prague (Czech) Institute of Geonics (IGN) Institute of Geophysics, Academy of Sciences of the Czech Republic Institute of Physics of the Earth Masaryk University (Czech) Institute of Rock Structure and Mechanics (IRSM AS CR)		DOI
YI (2011-2014)	DAFNE	Sodankyla Geophysical Observatory / University of Oulu (Finland)		—
X9 (2008-2011)	Dallas Earthquake Swarm	Southern Methodist University (SMU TX)		DOI
7L (2020-2025)	DAMAST (Dams and Seismicity)	Karlsruhe Institute of Technology (KIT GPI Germany)		—

Network Data API

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