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
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
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)		—
9H (2022-2026)	CRONOS - Croatia/Norway Contribution to AdriaArray Temporary Network	Norwegian Pool of Advanced Broad-Band Seismic Instruments University of Bergen (UiB Norway) University of Zagreb	—	—
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
1F (2009-2009)	Curnamona	Australian National University (ANU, Australia)		DOI
ZZ (2002-2005)	CYCLADES	GEOFON Program (GFZ-Potsdam, Germany)		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)		—
Y4 (2017-2019)	DanSeis infrastructure installation project Southern Scandinavia	GEUS Geological Survey of Denmark and Greenland		—
Y7 (2020-2021)	DARE: Dense ARray for seismic site effect Estimation	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam)	—	DOI
4A (2010-2011)	Darfield RAMP Aftershock Deployment, NZ	University of Wisconsin, Madison		DOI
6H (2015-2017)	Darsser Schwelle	Leibniz-Institute for Baltic Sea Research Rostock - IOW (IOW)		—
X4 (2023-2023)	DAS experiment at Nanjing University Campus (Nanjing, China)	Nanjing University (NJU China)	—	DOI
9G (2021-2022)	DAS La Palma 2021 eruption	Spanish National Research Council (CSIC)	—	DOI
6H (2019-2019)	Data Acquisition for 2020 Blind Trial of Surface-based Site Characterization Methods	U.S. Geological Survey		DOI
ZL (2003-2004)	David Glacier 2003-2004	Institute of Geological and Nuclear Science (GNS - New Zealand)		—
1P (2022-2027)	DB MISS	DMT GmbH & Co. KG (DMT) Geologischer Dienst Nordrhein-Westfalen (Germany) Karlsruhe Institute of Technology (KIT GPI Germany)	—	DOI
XU (2005-2005)	Deception Island Passive/Active Source	University of Washington		—
5L (2022-2022)	Deep Crustal Magmatic Structure in the Vicinity of the Pāhala Earthquake Swarm	USGS Hawaiian Volcano Observatory (HVO)	—	DOI
XO (2010-2010)	Deep Fault Drilling Project, Alpine Fault, New Zealand: Whataroa-Wanganui Passive Seismology Experiment 2010	Victoria University of Wellington		DOI
YB (2018-2021)	Deep Fault Structure Beneath the Mojave from a High Density, Passive Seismic Profile	University of Texas at Austin		DOI
Z8 (2009-2011)	Deep Geothermal HADES seismic array	GNS Science (IGNS)		DOI
2R (2015-2020)	Deep Geothermal northern HADES seismic array	GNS Science	—	DOI
Y7 (2011-2012)	Deep OCean Test ARray experiment	Universitat Potsdam		—
X4 (2007-2009)	Deep Structure of the Northeastern Tibet Collision Zone: INDEPTH IV	Missouri University of Science & Technology(Former UM-Rolla)(Missouri S&T USA)		DOI
XN (2007-2007)	Deep Structure of the Nortwaster Tibet Collison Zone	Stanford University		DOI
X8 (2012-2017)	Deep Structure of Three Continental Sutures in Eastern North America	Rutgers University		DOI
1P (2014-2016)	DEEP-TEE Phase 1	Karlsruhe Institute of Technology (KIT GPI Germany)		DOI
9Q (2017-2030)	DEEP-TEE Phase 2	Karlsruhe Institute of Technology (KIT GPI Germany)	—	DOI
XZ (2020-2024)	DeepTrigger Chile deployment	ISTerre (ISTERRE)		DOI
6B (2021-2024)	DeepTrigger Peru	ISTerre (ISTERRE)	—	DOI
YH (2021-2023)	Defining the Source of the 1886 Earthquake	College of Charleston		DOI

Network Data API

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