| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 10.0 km |
| Coordinates | 40.404, -126.359 |
| UTC time | 1993-10-23 18:45:54.120 |
Earthquake details
Saturday, October 23, 1993 Earthquake
The earthquake hit United States on Saturday, October 23, 1993 at 18:45 UTC with a magnitude of 5.4. The closest known location in the current dataset is Redding (United States - US), about 336.4 km away. The epicenter is located at longitude -126.359 and latitude 40.404.
| Location | Santa Rosa |
| Country | United States (US) |
| Severity | Strong |
Earthquake map 1993-10-23
Closest countries
The 12 closest cities near the epicenter.
| Redding | 336.4 km |
| Grants Pass | 339.4 km |
| Medford | 361.2 km |
| Santa Rosa | 382.0 km |
| Rohnert Park | 389.7 km |
| Chico | 392.4 km |
| Petaluma | 401.4 km |
| Novato | 414.7 km |
| Napa | 421.8 km |
| San Rafael | 426.9 km |
| Yuba City | 429.3 km |
| Vallejo | 436.5 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.2
Santa Rosa
United States · 2026-05-07 09:42 UTC
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355.6 km |
|
M 4.4
Santa Rosa
United States · 2026-05-07 09:42 UTC
|
354.4 km |
|
M 4.2
Santa Rosa
United States · 2026-02-21 17:22 UTC
|
353.1 km |
|
M 4.2
Santa Rosa
United States · 2026-01-08 08:00 UTC
|
345.4 km |
|
M 4.0
Santa Rosa
United States · 2025-12-14 23:30 UTC
|
393.8 km |
|
M 4.3
San Francisco
United States · 2025-09-22 09:56 UTC
|
452.9 km |
|
M 4.1
Santa Rosa
United States · 2025-08-14 12:48 UTC
|
352.0 km |
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