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
2T (2018-2024)	Texas Temporary Arrays	Bureau of Economic Geology, The University of Texas at Austin (BEG UTEXAS)		DOI
TX	Texas Seismological Network	Bureau of Economic Geology, The University of Texas at Austin (BEG UTEXAS)		DOI
4T (2018-2024)	Texas Seismological Network	Bureau of Economic Geology, The University of Texas at Austin (BEG UTEXAS)		DOI
X4 (2010-2014)	Texas Gulf Coastal Plain, USA	Baylor University Texas Tech University		DOI
ZZ (2017-2018)	Texas-Geothermal Seismic Exploration and Monitoring Via Ambient Seismic Noise Interferometry	Baylor University		—
YC (2013-2017)	Texas Brine Corporation Louisiana Seismic Network	Nanometrics Seismological Instruments		—
YZ (2022-2022)	Tete Rousse	Institut de Sciences de l'Univers (INSU) (CNRS-INSU)	—	—
8F (2017-2017)	Test study to detect moisture in a Playa lake bed	Texas Tech University		DOI
YE (2011-2025)	Testing TA & FA vaults and directly buried sensor (3T)	IRIS PASSCAL Instrument Center @ New Mexico Tech		DOI
2G (2010-2015)	Testing of the effectiveness of incorporating seismic data in seismic hazard assessment within a traditional field course	Indiana University Bloomington (IU Bloomington)		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 (DC)		—
XX (2013-2599)	Test and non-distributed data only	—		DOI
TS	TERRAscope (Southern California Seismic Network)	California Institute of Technology (Caltech)		—
ZL (2016-2016)	Terrapin	—		DOI
8H (2019-2020)	Terceira2019	Institute of Earth Sciences, University of Evora (ICT-UE)		DOI
6A (2017-2018)	Teno Valley Seismic Network	Birkbeck, University of London		DOI
Z3 (2014-2014)	Temp-Sismo12082014	Escuela Politecnica Nacional-Instituto Geofisico		DOI
7M (2021-2021)	Temporary seismic network in the urban area of Rome city (Central Italy)	Istituto Nazionale di Geofisica e Vulcanologia (INGV)	—	—
6D (2019-2019)	Temporary seismic deployments on Bowdoin glacier, Northwest Greenland	ETHZ (Swiss Federal Institute of Technology, Zurich Switzerland)		—
Z2 (2016-2018)	Temporary Receivers for Monitoring Bangladesh Earthquakes	Earth Observatory of Singapore		DOI
Z6 (2020-2021)	Temporary Nodal Deployment at Kilauea Caldera	USGS		DOI
XK (2020-2020)	Temporary network seismic in Central Calabria	Istituto Nazionale di Geofisica e Vulcanologia (INGV)		—
Z8 (2022-2026)	Temporary network Croatian Seismological Survey	Croatian Seismological Survey (CSS)	—	DOI
5A (2021-2030)	Temporary deployments operated by industry partners of the Swiss Seismological Service.	Eidgendssisch Technische Hochschule (ETH Zurich) - Swiss Seismological Service	—	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 (ETH Zurich) - Swiss Seismological Service	—	—
YM (2021-2021)	Temporary Deployments associated with the DEEPEN project in the Hengill region, Iceland	ETHZ (Swiss Federal Institute of Technology, Zurich Switzerland)	—	DOI
Y7 (2022-2024)	Temporary Deployment for DemoUpStorage, Helguvik, Reykjanes Peninsula, Iceland	Eidgendssisch Technische Hochschule (ETH Zurich) - Swiss Seismological Service	—	—
1T (2018-2025)	Temporal seismological network Mayotte	Institut de Physique du Globe de Paris IPGS (Institut de Physique du Globe de Strasbourg)		DOI
3T (2013-2018)	Temporal network Tungurahua	Escuela Politecnica Nacional-Instituto Geofisico		DOI
9D (2018-2020)	Temporal network Sierra Negra	Escuela Politecnica Nacional-Instituto Geofisico		DOI
4F (2013-2014)	Temp-CNCH	Escuela Politecnica Nacional-Instituto Geofisico		DOI
6D (2009-2016)	Telica Seismic and Deformation Network	Carnegie Institute of Washington / Science (DTM CIW)		DOI
XK (1997-1997)	Teleseismic Studies in the Western Superior Transect, Canada	IRIS/PASSCAL		DOI
ZC (2001-2004)	TEDESE	GEOFON Program (GFZ-Potsdam, Germany)		—
TO	Tectonic Observatory - MASE, VEOX , PeruSE, CCSE	California Institute of Technology (Caltech)		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	—	DOI
2C (2016-2017)	Tasman Acceleration Study 2016	Victoria University of Wellington		—
7I (2003-2005)	TASMAL	Australian National University (ANU, Australia)		DOI
ZS (2006-2006)	TaskForce Yogyakarta 2006	GEOFON Program (GFZ-Potsdam, Germany)	Germany	—
ZU (2004-2005)	TaskForce Waldkirch 2004	GEOFON Program (GFZ-Potsdam, Germany)	Germany	—
5B (2009-2009)	TaskForce L Aquila 2009	GEOFON Program (GFZ-Potsdam, Germany)	Germany	—
4B (2008-2009)	TASK FORCE KIRGISTAN	GEOFON Program (GFZ-Potsdam, Germany)		—
XN (2006-2006)	TaskForce_Java	GEOFON Program (GFZ-Potsdam, Germany)		—
ZG (2003-2003)	TaskForce Bingoel 2003	GEOFON Program (GFZ-Potsdam, Germany)	Germany	—
XU (2002-2002)	TaskForce Alsdorf 2002	GEOFON Program (GFZ-Potsdam, Germany)	Germany	—
XP (1998-1998)	TaskForce Adana 1998	GEOFON Program (GFZ-Potsdam, Germany)		—
X2 (2017-2019)	Tarim Array for lithoSpheric signaTure of mantle plumE	Institute of Geology and Geophysics, CAS (CAS )		DOI

Network Data API

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