| Magnitude | 5.7 |
| Alert | Strong |
| Depth | 15.0 km |
| Coordinates | 40.002, -125.597 |
| UTC time | 1931-08-23 18:01:43.540 |
Earthquake details
Sunday, August 23, 1931 Earthquake
The earthquake hit United States on Sunday, August 23, 1931 at 18:01 UTC with a magnitude of 5.7. The closest known location in the current dataset is Redding (United States - US), about 279.8 km away. The epicenter is located at longitude -125.597 and latitude 40.002.
| Location | San Francisco |
| Country | United States (US) |
| Severity | Strong |
Earthquake map 1931-08-23
Closest countries
The 12 closest cities near the epicenter.
| Redding | 279.8 km |
| Santa Rosa | 303.3 km |
| Rohnert Park | 310.9 km |
| Chico | 322.6 km |
| Petaluma | 322.7 km |
| Grants Pass | 331.1 km |
| Novato | 336.1 km |
| Napa | 343.1 km |
| Medford | 344.9 km |
| San Rafael | 348.3 km |
| Yuba City | 354.7 km |
| Vallejo | 357.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.1
San Francisco
United States · 2026-08-13 15:30 UTC
388.7 km
M 4.6
Santa Cruz
United States · 2026-04-02 08:41 UTC
441.3 km
M 4.2
Fremont
United States · 2026-02-02 15:01 UTC
402.9 km
M 4.0
Santa Rosa
United States · 2025-12-14 23:30 UTC
315.2 km
M 4.3
San Francisco
United States · 2025-09-22 09:56 UTC
374.4 km
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