| Earthquake | Northridge | Loma prieta |
| Earthquake | Northridge | Loma prieta |
| Date | 1994/01/17 | 1989/10/18 |
| Station | 23,598 Rancho Cucama-Deer Can | 58,338 Piedmont Jr. High |
| Magnitude | 6.7 | 6.9 |
| Direction | 180 | 315 |
| PGA (g) | 0.051 | 0.071 |
| Focal depth (Km) | 17.5 | 17.5 |
| Closest to fault | 8.0 | 77.2 |