| Network | Data Center | Description | Start Year | End Year |
|---|---|---|---|---|
| H2 |
|
Hawaii 2 Observatory | 1999 | 2003 |
| HG |
|
High-Gain Long-Period Network | 1972 | 1979 |
| HK |
|
Hong Kong Seismograph Network | 2009 | 2599 |
| HL |
|
National Observatory of Athens Seismic Network | 1997 | 2599 |
| HT |
|
Aristotle University of Thessaloniki Seismological Network | 1981 | 2599 |
| HU |
|
Hungarian National Seismological Network | 1992 | 2599 |
| HV |
|
Hawaiian Volcano Observatory Network | 1956 | 2599 |
| HW |
|
Hanford Washington Seismic Network | 1980 | 2599 |
| RB |
|
Red Sísmica de Banda Ancha | 2002 | 2599 |
| RC |
|
BYU-Idaho Network | 2001 | 2599 |
| RE |
|
US Bureau of Reclamation Seismic Networks | 1985 | 2599 |
| RI |
|
National Seismic Network of Argentina | 1972 | 2599 |
| RM |
|
Regional Integrated Multi-Hazard Early Warning System | 2008 | 2599 |
| RO |
|
Romanian Seismic Network | 1994 | 2599 |
| RS |
|
Regional Seismic Test Network | 1982 | 1986 |
| RV |
|
Regional Alberta Observatory for Earthquake Studies Network | 2013 | 2599 |
| RW |
|
Rwanda National Seismic Network | 2019 | 2599 |
NSF SAGE Facility has been
certified as a trustworthy data repository
by the CoreTrustSeal Standards and Certification Board
