| 1K (2017-2019) |
UIB-Heimaey |
|
|
— |
| 1D (2016-2018) |
UKANET: UK Antarctic Network |
|
|
DOI |
| UR |
UKArray |
|
United Kingdom |
DOI |
| ZM (2014-2015) |
UKFLUV14 |
|
|
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 |
— |
— |
— |
| UK |
UK Schools Seismic Network |
- University of Leicester (SEIS UK), United Kingdom
|
|
— |
| OU |
Ulaanbaatar seismic network |
|
— |
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 |
|
|
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 |
|
|
DOI |
| NP |
United States National Strong-Motion Network |
|
|
DOI |
| KE |
Univerity of Nairobi, Kenya |
|
|
DOI |
| RP |
Universidad de Panama Seismic Network |
|
Panama |
— |
| XG (2016-2016) |
Universidad Tecnica de Ambato |
|
|
DOI |
| NS |
University of Bergen Seismic Network |
|
|
DOI |
| BR |
University of Brasilia Seismic Network |
|
|
— |
| 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 |
|
|
DOI |
| BI |
University of Dhaka Seismographic Network |
|
|
— |
| 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 |
|
|
DOI |
| UU |
University of Utah Regional Seismic Network |
|
|
DOI |
| UB |
University of Zimbabwe 1 |
|
Zimbabwe |
DOI |
| UG |
Unocal Geothermal Northern California Network |
- Unocal Corporation, United States of America
|
United States of America |
— |
| 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
|
— |
— |
| X1 (2017-2018) |
Upper Geyser Basin Imaging Experiment FALL 2017 |
|
|
DOI |
| YE (2006-2006) |
Upper Geyser Basin Seismicity |
|
|
— |
| RG |
Upper-Rhine Graben Geothermal Network |
|
|
DOI |
| ZM (2003-2004) |
Uraban Seismology |
|
|
— |
| 7C (2021-2031) |
Urban Seismic Network |
|
— |
DOI |
| 1C (2009-2010) |
Urban Seismology 2 |
|
|
— |
| TA |
USArray Transportable Array |
|
|
DOI |
| RE |
US Bureau of Reclamation Seismic Networks |
- U.S. State Department, United States of America
|
|
— |
| GM |
U.S. Geological Survey Networks |
|
|
DOI |
| GS |
US Geological Survey Networks |
|
|
DOI |
| 5W (2022-2022) |
USGS CEUS SmartSolo Deployments |
|
— |
DOI |
| 1A (2023-2023) |
USGS Debris Flow Flume Seismic Monitoring |
- University of Oregon, United States of America
|
— |
DOI |
| 3F (2010-2010) |
USGS flume seismic monitoring |
- USGS Vancouver WA, United States of America
|
|
DOI |
| NT |
USGS Geomagnetism Program |
|
United States of America |
DOI |
| UL |
USGS Low Frequency Geophysical Data Network |
- USGS Menlo Park, United States of America
|
|
— |
| XU (2016-2029) |
USGS NEHRP Proposal 2016-0180 - Greeley |
- University of Colorado, United States of America
|
|
DOI |
| NC |
USGS Northern California Seismic Network |
- USGS Menlo Park, United States of America
|
|
DOI |
| MI |
USGS Northern Mariana Islands Network |
- USGS Alaska Anchorage, United States of America
|
|
DOI |
