International Federation of Digital Seismograph Networks

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
YE (2006-2006) Upper Geyser Basin Seismicity
X1 (2017-2018) Upper Geyser Basin Imaging Experiment FALL 2017
DOI
8J (2021-2022) UPFLOW DOI
UQ UNSA Regional Seismic Network DOI
4Y (2022-2023) Unraveling the microseismic activity of the Puerto Aldea Fault, Chile DOI
UG Unocal Geothermal Northern California Network United States of America
UB University of Zimbabwe 1 Zimbabwe DOI
UU University of Utah Regional Seismic Network
DOI
6A (2020-2035) University of Potsdam Experimental 3D-3C Array
DOI
HP University of Patras, Seismological Laboratory
DOI
UM University of Montana Seismic Network
DOI
VW University of Melbourne Seismic Network DOI
LX University of Lisbon Seismic Network
DOI
BI University of Dhaka Seismographic Network
5L (2023-2023) University of Chicago Educational, Faculty Development and Outreach Seismic Experiment
DOI
C5 University of Cambridge seismology United Kingdom DOI
BR University of Brasilia Seismic Network
NS University of Bergen Seismic Network
DOI
XG (2016-2016) Universidad Tecnica de Ambato
DOI
RP Universidad de Panama Seismic Network Panama
KE Univerity of Nairobi, Kenya
DOI
NP United States National Strong-Motion Network
DOI
US United States National Seismic Network
DOI
BA UniBAS
YA (2009-2011) Undervolc
DOI
X3 (2007-2011) Understanding the current thinning and accelerration of the Jakobshavns Isbrae, Greenland
DOI
XF (2014-2016) Understanding Precambrian to Present Assembly of Greenland
DOI
XG (2012-2013) Underground Array United States of America
OU Ulaanbaatar seismic network DOI
UK UK Schools Seismic Network
UT Ukrainian National Seismic Network DOI
2G (2022-2026) UK-PE1 Arrays DOI
BN UK-Net, Blacknest Array
DOI
ZM (2014-2015) UKFLUV14
DOI
UR UKArray United Kingdom DOI
1D (2016-2018) UKANET: UK Antarctic Network
DOI
1K (2017-2019) UIB-Heimaey
UH UH Infrasound Network
UN Uganda National Seismological Network Uganda DOI
1B (2006-2008) UGANDA
HY UEH Seismic Network DOI
SB UC Santa Barbara Engineering Seismology Network
DOI
XB (1989-1990) UC Mammoth/Long Valley network
FA UCLA Seismic Network
GC UCLA Geonet Network United States of America
YP (2019-2025) UBCISM
DOI
4K (2014-2016) UAE transects across the Semail Ophiolite
DOI
XG (2021-2022) Two-station Seismic Noise and Signal Site Survey in Uzbekistan
DOI
TK Turkish National Strong Motion Network
DOI
TU Turkish National Seismic Network
DOI

Network Data API

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