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
VA	VAL D'AGRI NETWORK	Eni spa, Italy		DOI
ZO (2013-2013)	Vaigat	Durham University, United Kingdom	United Kingdom	—
UZ	Uzbekistan Digital Seismic Network	Republican Center Seismic and Forecasting Monitoring Uzbekistan (RCSFM MEC), Uzbekistan		DOI
ZK (2008-2008)	UWTremTexBS - EarthScope Flex Array	University of Washington, United States of America		DOI
5O (2022-2023)	UW-Madison 3D DAS@SURF	University of Wisconsin-Madison, United States of America	—	DOI
1U (2018-2022)	Uturuncu volcano, Bolivia	Cornell University, United States of America		DOI
YY (2017-2027)	UTPMY	Universiti Teknologi Petronas (UTP), Malaysia		DOI
ZJ (2017-2017)	UTEP Source Test 2017	University of Texas at El Paso (UTEP), United States of America		DOI
EP	UTEP Seismic Network	University of Texas at El Paso (UTEP), United States of America		—
5R (2022-2022)	Utah FORGE Spring 2022 Nodal Array	University of Utah Seismograph Stations		DOI
ZI (2022-2025)	Utah FORGE Long Term Seismic Borehole Monitoring	Instrumental Software Technologies, Inc. (ISTI), United States of America	—	DOI
ZU (2020-2023)	USMTArray South Magnetotelluric Time Series	U.S. Geological Survey, United States of America		DOI
XO (2003-2004)	US-Japan Collaborative Research: Multi-scale seismic imaging of the Mariana Subduction Factory	IRIS/PASSCAL		DOI
1B (2019-2019)	Using passive seismics to determin a glacier sliding law	University of Wisconsin, Madison, United States of America		DOI
XA (2011-2011)	Using Fault-Zone Trapped Waves to Document Subsuface Rock Damage Caused by the M6.3 Earthquake in Ne	University of Southern California (USC), United States of America		DOI
ZZ (2015-2016)	USGS Puerto Rico Trence	Woods Hole Oceanographic Institution (WHOI), United States of America		DOI
MI	USGS Northern Mariana Islands Network	USGS Alaska Anchorage, United States of America		DOI
NC	USGS Northern California Seismic Network	USGS Menlo Park, United States of America		DOI
XU (2016-2029)	USGS NEHRP Proposal 2016-0180 - Greeley	University of Colorado, United States of America		DOI
UL	USGS Low Frequency Geophysical Data Network	USGS Menlo Park, United States of America		—
NT	USGS Geomagnetism Program	U.S. Geological Survey, United States of America	United States of America	DOI
3F (2010-2010)	USGS flume seismic monitoring	USGS Vancouver WA, United States of America		DOI
1A (2023-2023)	USGS Debris Flow Flume Seismic Monitoring	University of Oregon, United States of America	—	DOI
5W (2022-2022)	USGS CEUS SmartSolo Deployments	USGS Geologic Hazards Science Center (USGS GHSC), United States of America	—	DOI
GS	US Geological Survey Networks	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
GM	U.S. Geological Survey Networks	U.S. Geological Survey, United States of America		DOI
RE	US Bureau of Reclamation Seismic Networks	U.S. State Department, United States of America		—
TA	USArray Transportable Array	IRIS Transportable Array (IRIS_TA), United States of America		DOI
1C (2009-2010)	Urban Seismology 2	Karlsruhe Institute of Technology (KIT GPI), Germany		—
7C (2021-2031)	Urban Seismic Network	Istituto Nazionale di Geofisica e Vulcanologia (INGV), Italy	—	DOI
ZM (2003-2004)	Uraban Seismology	Karlsruhe Institute of Technology (KIT GPI), Germany		—
RG	Upper-Rhine Graben Geothermal Network	ES-Géothermie (ESG), France		DOI
YE (2006-2006)	Upper Geyser Basin Seismicity	IRIS/PASSCAL		—
X1 (2017-2018)	Upper Geyser Basin Imaging Experiment FALL 2017	University of Utah, United States of America		DOI
8J (2021-2022)	UPFLOW	Instituto Português do Mar e da Atmosfera, I.P. (IPMA), Portugal University College London (UCL), United Kingdom	—	—
UQ	UNSA Regional Seismic Network	Universidad Nacional de San Agustín de Arequipa - UNSA	—	DOI
UG	Unocal Geothermal Northern California Network	Unocal Corporation, United States of America	United States of America	—
UB	University of Zimbabwe 1	University of Zimbabwe (U.Z.), Zimbabwe	Zimbabwe	DOI
UU	University of Utah Regional Seismic Network	University of Utah, United States of America		DOI
6A (2020-2035)	University of Potsdam Experimental 3D-3C Array	University of Potsdam (UP), Germany		DOI
HP	University of Patras, Seismological Laboratory	University of Patras, Greece		DOI
UM	University of Montana Seismic Network	University Of Montana, United States of America		DOI
BI	University of Dhaka Seismographic Network	University of Dhaka, Bangladesh		—
5L (2023-2023)	University of Chicago Educational, Faculty Development and Outreach Seismic Experiment	University of Chicago		DOI
C5	University of Cambridge seismology	University of Cambridge Earth Sciences, United Kingdom	United Kingdom	DOI
BR	University of Brasilia Seismic Network	University of Brasilia, Brazil		—
NS	University of Bergen Seismic Network	University of Bergen (UiB Norway), Norway		DOI
XG (2016-2016)	Universidad Tecnica de Ambato	Technical University of Ambato (UTA), Ecuador		DOI
RP	Universidad de Panama Seismic Network	Instituto de Geociencias, Universidad de Panamá, Panama	Panama	—
KE	Univerity of Nairobi, Kenya	University of Nairobi, Kenya		DOI

Network Data API

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