| Network | Data Center | Description | Start Year | End Year |
|---|---|---|---|---|
| LB |
|
Leo Brady Network | 1994 | 2599 |
| LD |
|
Lamont-Doherty Cooperative Seismographic Network | 1970 | 2599 |
| LH |
|
Large High-Performance Outdoor Shake Table | 2023 | 2599 |
| LI |
|
Laser Interferometer Gravitational-Wave Experiment | 2000 | 2599 |
| LM |
|
Michigan State University Seismic Network | 2016 | 2599 |
| LO |
|
Observatorio Sismológico Politécnico Loyola | 2012 | 2599 |
| LX |
|
Instituto Dom Luiz (IDL) - Faculdade de Ciencias Universidade de Lisboa | 2003 | 2599 |
| UF |
|
Centro de Investigación de Resiliencia y Riesgos Multi-Amenazas | 2022 | 2599 |
| UH |
|
UH Infrasound Network | 2004 | 2599 |
| UI |
|
North Idaho Seismic Network | 2004 | 2599 |
| UK |
|
UK Schools Seismic Network | 2005 | 2599 |
| UM |
|
University of Montana Seismic Network | 2017 | 2599 |
| UO |
|
Pacific Northwest Seismic Network - University of Oregon | 1990 | 2599 |
| US |
|
United States National Seismic Network | 1990 | 2599 |
| UU |
|
University of Utah Regional Seismic Network | 1962 | 2599 |
| UW |
|
Pacific Northwest Seismic Network | 1963 | 2599 |
NSF SAGE Facility has been
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by the CoreTrustSeal Standards and Certification Board
