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
6R (2019-2021)	Turkana Rift Arrays to Investigate Lithospheric Strains - UK component	Imperial College London, United Kingdom		DOI
TU	Turkish National Seismic Network	Disaster and Emergency Management Authority (AFAD), Türkiye		DOI
TK	Turkish National Strong Motion Network	Disaster and Emergency Management Authority (AFAD), Türkiye		DOI
XG (2021-2022)	Two-station Seismic Noise and Signal Site Survey in Uzbekistan	Scripps Institution of Oceanography (SIO), United States of America		DOI
4K (2014-2016)	UAE transects across the Semail Ophiolite	Khalifa University, United Arab Emirates		DOI
YP (2019-2025)	UBCISM	University of British Columbia (UBC), Canada		DOI
GC	UCLA Geonet Network	UC Los Angeles (UCLA), United States of America	United States of America	—
FA	UCLA Seismic Network	UC Los Angeles (UCLA), United States of America		—
XB (1989-1990)	UC Mammoth/Long Valley network	None,		—
SB	UC Santa Barbara Engineering Seismology Network	UC Santa Barbara, United States of America		DOI
HY	UEH Seismic Network	Université d'Etat d'Haiti (UEH), Haiti	—	DOI
1B (2006-2008)	UGANDA	University of Frankfurt, Germany		—
UN	Uganda National Seismological Network	Directorate of Geological Survey and Mines, Uganda (DGSM), Uganda	Uganda	DOI
UH	UH Infrasound Network	University of Hawaii (UH), United States of America		—
1K (2017-2019)	UIB-Heimaey	University of Bergen (UiB Norway), Norway		—
1D (2016-2018)	UKANET: UK Antarctic Network	University of Leeds, United Kingdom		DOI
UR	UKArray	British Geological Survey, United Kingdom	United Kingdom	DOI
ZM (2014-2015)	UKFLUV14	Durham University, United Kingdom		DOI
BN	UK-Net, Blacknest Array	Blacknest (AWE), United Kingdom		DOI
2G (2022-2026)	UK-PE1 Arrays	Blacknest (AWE), United Kingdom	—	DOI
UT	Ukrainian National Seismic Network	Subbotin Institute of geophysics of the National Academy of Sciense of Ukraine (IGPH), Ukraine	—	DOI
UK	UK Schools Seismic Network	University of Leicester (SEIS UK), United Kingdom		—
OU	Ulaanbaatar seismic network	Institute of Astronomy and Geophysics of Mongolian Academy of Science (IAG), Mongolia	—	DOI
XG (2012-2013)	Underground Array	University of Minnesota-Twin Cities, United States of America	United States of America	—
XF (2014-2016)	Understanding Precambrian to Present Assembly of Greenland	Columbia University (CU), United States of America		DOI
X3 (2007-2011)	Understanding the current thinning and accelerration of the Jakobshavns Isbrae, Greenland	University of Alaska, Fairbanks (UAF), United States of America		DOI
YA (2009-2011)	Undervolc	Observatoire de Grenoble, Grenoble, France		DOI
BA	UniBAS	Universita della Basilicata, Italy		—
US	United States National Seismic Network	Albuquerque Seismological Laboratory/USGS (ASL), United States of America		DOI
NP	United States National Strong-Motion Network	U.S. Geological Survey, United States of America		DOI
KE	Univerity of Nairobi, Kenya	University of Nairobi, Kenya		DOI
RP	Universidad de Panama Seismic Network	Instituto de Geociencias, Universidad de Panamá, Panama	Panama	—
XG (2016-2016)	Universidad Tecnica de Ambato	Technical University of Ambato (UTA), Ecuador		DOI
NS	University of Bergen Seismic Network	University of Bergen (UiB Norway), Norway		DOI
BR	University of Brasilia Seismic Network	University of Brasilia, Brazil		—
C5	University of Cambridge seismology	University of Cambridge Earth Sciences, United Kingdom	United Kingdom	DOI
5L (2023-2023)	University of Chicago Educational, Faculty Development and Outreach Seismic Experiment	University of Chicago		DOI
BI	University of Dhaka Seismographic Network	University of Dhaka, Bangladesh		—
UM	University of Montana Seismic Network	University Of Montana, United States of America		DOI
HP	University of Patras, Seismological Laboratory	University of Patras, Greece		DOI
6A (2020-2035)	University of Potsdam Experimental 3D-3C Array	University of Potsdam (UP), Germany		DOI
UU	University of Utah Regional Seismic Network	University of Utah, United States of America		DOI
UB	University of Zimbabwe 1	University of Zimbabwe (U.Z.), Zimbabwe	Zimbabwe	DOI
UG	Unocal Geothermal Northern California Network	Unocal Corporation, United States of America	United States of America	—
4Y (2022-2023)	Unraveling the microseismic activity of the Puerto Aldea Fault, Chile	Universidad de Chile, Dept de Geofisica (DGF), Chile	—	DOI
UQ	UNSA Regional Seismic Network	Universidad Nacional de San Agustín de Arequipa - UNSA	—	DOI
8J (2021-2022)	UPFLOW	Instituto Português do Mar e da Atmosfera, I.P. (IPMA), Portugal University College London (UCL), United Kingdom	—	DOI
X1 (2017-2018)	Upper Geyser Basin Imaging Experiment FALL 2017	University of Utah, United States of America		DOI
YE (2006-2006)	Upper Geyser Basin Seismicity	IRIS/PASSCAL		—
RG	Upper-Rhine Graben Geothermal Network	ES-Géothermie (ESG), France		DOI

Network Data API

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