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
3L (2010-2023)	Testing of the effectiveness of incorporating seismic data in seismic hazard assessment within a traditional field course	University of Indiana		DOI
ZT (2003-2004)	Testing of a Deep-Water, Acoustically-Linked, Moored- Buoy Seafloor Observatory	IRIS HQ, United States of America		—
1D (2022-2022)	Testing continuous seismic borehole sources at PFO, CA	Lawrence Berkeley National Laboratory		DOI
XX (2013-2599)	Test and non-distributed data only	—		DOI
TS	TERRAscope (Southern California Seismic Network)	California Institute of Technology (CIT), United States of America		—
ZL (2016-2016)	Terrapin	—		DOI
8H (2019-2020)	Terceira2019	Institute of Earth Sciences, University of Evora (ICT-UE), Portugal		DOI
6A (2017-2018)	Teno Valley Seismic Network	Birkbeck, University of London, United Kingdom		DOI
4L (2023-2025)	Tenerife-Gran Canaria Seismic Network (GUANCHE_INTEGRAL)	Instituto Geográfico Nacional (IGN), Spain	—	DOI
Z3 (2014-2014)	Temp-Sismo12082014	Escuela Politecnica Nacional-Instituto Geofisico, Chile		DOI
7M (2021-2021)	Temporary seismic network in the urban area of Rome city (Central Italy)	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	DOI
6D (2019-2019)	Temporary seismic deployments on Bowdoin glacier, Northwest Greenland	Swiss Federal Institute of Technology, Zurich (ETHZ), Switzerland		—
Z2 (2016-2018)	Temporary Receivers for Monitoring Bangladesh Earthquakes	Earth Observatory of Singapore, Singapore		DOI
Z6 (2020-2021)	Temporary Nodal Deployment at Kilauea Caldera	U.S. Geological Survey, United States of America		DOI
XK (2020-2020)	Temporary network seismic in Central Calabria	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy		—
Z8 (2022-2026)	Temporary network Croatian Seismological Survey	Croatian Seismological Survey (CSS), Croatia	—	DOI
5A (2021-2030)	Temporary deployments operated by industry partners of the Swiss Seismological Service.	Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland	—	DOI
X6 (2021-2023)	Temporary deployments on Mt. Zugspitze (Germany) for permafrost investigations	Ludwig Maximillians Universitat Munchen (LMU), Germany	—	DOI
9S (2012-2030)	Temporary deployments in Switzerland associated with landslides	Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland	—	DOI
YM (2021-2021)	Temporary Deployments associated with the DEEPEN project in the Hengill region, Iceland	Swiss Federal Institute of Technology, Zurich (ETHZ), Switzerland	—	DOI
Y7 (2022-2024)	Temporary Deployment for DemoUpStorage, Helguvik, Reykjanes Peninsula, Iceland	Eidgendssisch Technische Hochschule - Swiss Seismological Service (ETH), Switzerland	—	DOI
1D (2021-2021)	Temporary DAS Deployment associated with the DEEPEN project in the Hengill region, Iceland (DEEPEN), Western DAS branch	NORSAR, Norway	—	—
ZH (2021-2021)	Temporary DAS Deployment associated with the DEEPEN project in the Hengill region	Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences (GFZ), Germany	—	DOI
1V (2003-2015)	Temporary Accelerometric Network in Basilicata region for Site Effect studies	National Research Council (CNR), Italy	—	DOI
1T (2018-2025)	Temporal seismological network Mayotte	Institut de Physique du Globe de Paris (IPGP), France Institut de Physique du Globe de Strasbourg (IPGS), France		DOI
3T (2013-2018)	Temporal network Tungurahua	Escuela Politecnica Nacional-Instituto Geofisico, Chile		DOI
9D (2018-2020)	Temporal network Sierra Negra	Escuela Politecnica Nacional-Instituto Geofisico, Chile		DOI
1K (2020-2021)	TEMPEST seismic network	University of Geneva (UNIGE), Switzerland	—	DOI
4F (2013-2014)	Temp-CNCH	Escuela Politecnica Nacional-Instituto Geofisico, Chile		DOI
6D (2009-2016)	Telica Seismic and Deformation Network	Carnegie Institute of Washington / Science (DTM CIW), United States of America		DOI
XK (1997-1997)	Teleseismic Studies in the Western Superior Transect, Canada	IRIS/PASSCAL		DOI
ZC (2001-2004)	TEDESE	GEOFON Program (GFZ-Potsdam, Germany), Germany		—
TO	Tectonic Observatory - MASE, VEOX , PeruSE, CCSE	California Institute of Technology (CIT), United States of America		DOI
YV (2023-2023)	TBO Stadel-3 DAS month	National Cooperative for the Disposal of Radioactive Waste, Switzerland	—	DOI
XA (2004-2007)	Taylor Glacier Calving, Collaborative Research: Mechanics of Dry-Land Calving of Ice Glaciers	IRIS/PASSCAL		DOI
7L (2016-2016)	Taupo temporary infrasound network - May 3, 2016	GNS Science (IGNS), New Zealand	—	DOI
2C (2016-2017)	Tasman Acceleration Study 2016	Victoria University of Wellington, New Zealand		—
7I (2003-2005)	TASMAL	Australian National University (ANU), Australia		DOI
ZS (2006-2006)	TaskForce Yogyakarta 2006	GEOFON Program (GFZ-Potsdam, Germany), Germany	Germany	—
ZU (2004-2005)	TaskForce Waldkirch 2004	GEOFON Program (GFZ-Potsdam, Germany), Germany	Germany	—
5B (2009-2009)	TaskForce L Aquila 2009	GEOFON Program (GFZ-Potsdam, Germany), Germany	Germany	—
4B (2008-2009)	TASK FORCE KIRGISTAN	GEOFON Program (GFZ-Potsdam, Germany), Germany		—
XN (2006-2006)	TaskForce_Java	GEOFON Program (GFZ-Potsdam, Germany), Germany		—
ZG (2003-2003)	TaskForce Bingoel 2003	GEOFON Program (GFZ-Potsdam, Germany), Germany	Germany	—
XU (2002-2002)	TaskForce Alsdorf 2002	GEOFON Program (GFZ-Potsdam, Germany), Germany	Germany	—
XP (1998-1998)	TaskForce Adana 1998	GEOFON Program (GFZ-Potsdam, Germany), Germany		—
X2 (2017-2019)	Tarim Array for lithoSpheric signaTure of mantle plumE	Institute of Geology and Geophysics, CAS (CAS ), China		DOI
XD (1991-1992)	Tararua BB Array, New Zealand	None,		—
YO (2001-2002)	Taranaki	University of Cambridge Earth Sciences, United Kingdom		—
8E (2010-2010)	TANGSHAN	University of Oklahoma (OU), United States of America		DOI

Network Data API

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