| Network | Data Center | Description | Start Year | End Year |
|---|---|---|---|---|
| CE |
|
California Strong Motion Instrumentation Program | 1990 | 2999 |
| CI |
|
Southern California Seismic Network | 1900 | 2999 |
| CJ |
|
Caltech Community Seismic Network | 2010 | 2999 |
| NC |
|
USGS Northern California Regional Network | 1967 | 2999 |
| NN |
|
Nevada Seismic Network () | 1974 | 2999 |
| NP |
|
United States National Strong-Motion Network | 1975 | 2999 |
| NR |
|
NARS Array | 2002 | 2999 |
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