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
9L (2020-2020)	Hall Ranch Nodal Seismic Array	U.S. Geological Survey, United States of America	—	DOI
9L (2022-2023)	Mud volcanoes in SW Taiwan	ISTerre (ISTERRE), France	—	—
9M (2016-2016)	Node deployment along the intersection of the Denali Fault and Richardson Highway	University of Utah, United States of America	—	DOI
9M (2018-2018)	Dry Alluvium Geology 2	Mission Support and Test Services, LLC (MSTS)		DOI
9M (2019-2021)	Mugello Temporary Seismic Deployment	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy		DOI
9M (2022-2022)	Sierentz Post-Seismic	University of Strasbourg (Unistra), France	—	—
9M (2023-2025)	Eyre Peninsula Nodal Array	Australian National University (ANU), Australia	—	DOI
9N (2011-2016)	INGV Temporary Seismic Network for Pollino 2011 Sequence	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	DOI
9N (2018-2018)	Fibre-optic distributed acoustic sensing, seismological and infrasonic data from Etna	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany	—	DOI
9N (2019-2019)	Steamboat Geyser Nodal Experiment 2019	University of Utah, United States of America		DOI
9N (2020-2020)	CO2 containment and monitoring techniques at Crystal Geyser	Boise State University, United States of America		DOI
9N (2022-2024)	Seismic investigation of the Puerto Rico subduction zone: structure, seismic hazard, and hydration of slow-spreading lithosphere	University of Puerto Rico Mayaguez; Puerto Rico Seismic Network		DOI
9O (2019-2020)	ASTUTI Costa Rica	U.S. Geological Survey, United States of America		DOI
9O (2021-2025)	DIVEnet	INGV Sezione di Bologna (INGV-BO), Italy University of Lausanne (UNIL), Switzerland	—	—
9P (2015-2018)	Horizontal Pressure Gradient Test Deployments	Lamont Doherty Earth Observatory, Columbia University (LDEO), United States of America	—	DOI
9P (2019-2020)	SMARTnet: Armutlu Near Fault Monitoring	Deutsches GeoForschungsZentrum GFZ (GFZ Potsdam), Germany Disaster and Emergency Management Presidency (AFAD), Türkiye	—	DOI
9P (2022-2024)	GEology of New England via Seismic Imaging Studies	Yale University, United States of America		DOI
9Q (2017-2030)	DEEP-TEE Phase 2	Karlsruhe Institute of Technology (KIT GPI), Germany	—	DOI
9R (2019-2021)	East Antarctic International Ice Sheet Traverse seismic network	Institute of Environmental Geosciences (IGE), France Institut Polaire Français Paul Émile Victor (IPEV), France Institut Terre et Environnement de Strasbourg (ITES), France Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy Progetto Nazionale di Ricerche in Antartide (PNRA), Italy	—	—
9R (2022-2023)	Investigating the Detachment Fault Cycle at the Mid-Cayman Spreading Center	Woods Hole Oceanographic Institution (WHOI), United States of America		—
9S (2012-2030)	Temporary deployments in Switzerland associated with landslides	Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland	—	DOI
9T (1979-1992)	LNN Legacy Explosions Dataset Release	Lawrence Livermore National Laboratory (LLNL), United States of America		DOI
9T (2019-2023)	Stanford DAS-2 Array	Stanford University, United States of America	—	DOI
9U (2019-2021)	GWatt temporary seismic network at UDDGP	British Geological Survey, United Kingdom	—	DOI
9U (2022-2022)	Pinos watershed late summer scans	—		DOI
9U (2023-2023)	Silixa-Fairfield Global DAS Month 2023 data	University of Michigan, United States of America	—	DOI
9V (2015-2025)	Casey - Davis region	University of Tasmania, Australia		DOI
9W (2020-2030)	Belledonne border fault survey	ISTerre (ISTERRE), France	—	—
A	Generic Asian Strong Motion Network	—	Asia	—
A0	Armenian National Seismic Network	Armenian National Survey for Seismic Protection (NSSP), Armenia		DOI
A1	Southern African Co-located Academic Network	Pangaea Geophyics and Geodesy Working Group, South Africa	South Africa	—
A2	Armenian Seismological Network	Institute Of Geological Sciences, NAS, RA (IGS), Armenia		DOI
A7	Angola National Seismic Network	Instituto Nacional de Meteorologia e Geofisica (INAMET), Angola		—
AA	Anchorage Strong Motion Network	University of Alaska, Fairbanks (UAF), United States of America	United States of America	—
AB	National Seismic Network of Azerbaijan	Republic Center of Seismic Survey/Acad. of Sciences of Azerbaijan, Azerbaijan		—
AC	Albanian Seismological Network	Institute of GeoSciences, Polytechnic University of Tirana (IGEO PUT), Albania		DOI
AD	ACROSS Strong Motion Network	Central Asian Institute for Applied Geosciences, Kyrgyzstan		DOI
AE	Arizona Broadband Seismic Network	Arizona Geological Survey, United States of America		DOI
AF	AfricaArray	Penn State University, United States of America		DOI
AG	Arkansas Seismic Network	Arkansas Geological Survey (AGS), United States of America		—
AH	Arkhangelsk Seismic Network	N. Laverov Federal Center for Integrated Arctic Research (FCIARctic), Russian Federation		DOI
AI	Antarctic Seismographic Argentinean Italian Network - ASAIN	Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS), Italy		DOI
AK	Alaska Geophysical Network	Alaska Earthquake Center, Univ. of Alaska Fairbanks (AEC), United States of America		DOI
AL	Alaskan Long Period Array	University of Alaska, Fairbanks (UAF), United States of America		—
AM	Raspberry Shake	Raspberry Shake, S.A., Panama		DOI
AN	Altay-Sayan Regional Seismic Network of the Russian Federation	Altay-Sayan Branch of the Geophysical Survey of the Russian Academy of Sciences		DOI
AO	Arkansas Seismic Observatory	University of Arkansas at Little Rock (UALR), United States of America		—
AP	APS Free Field Array	AP (APS), United States of America		DOI
AQ	Central Queensland Seismic Network	Central Queensland Seismology Research Group (CQSRG), Australia		DOI
AR	Northern Arizona Network	Northern Arizona University (NAU), United States of America		—

Network Data API

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