| Magnitude | 6.4 |
| Alert | Severe |
| Depth | 10.0 km |
| Coordinates | 40.422, -126.090 |
| UTC time | 1956-10-11 16:48:51.730 |
Earthquake details
Thursday, October 11, 1956 Earthquake
The earthquake hit United States on Thursday, October 11, 1956 at 16:48 UTC with a magnitude of 6.4. The closest known location in the current dataset is Redding (United States - US), about 313.5 km away. The epicenter is located at longitude -126.090 and latitude 40.422.
| Location | Santa Rosa |
| Country | United States (US) |
| Severity | Severe |
Earthquake map 1956-10-11
Closest countries
The 12 closest cities near the epicenter.
| Redding | 313.5 km |
| Grants Pass | 321.6 km |
| Medford | 342.1 km |
| Santa Rosa | 364.5 km |
| Chico | 370.3 km |
| Rohnert Park | 372.5 km |
| Petaluma | 384.4 km |
| Novato | 398.0 km |
| Napa | 403.9 km |
| Yuba City | 408.3 km |
| San Rafael | 410.5 km |
| Woodland | 418.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.2
Santa Rosa
United States · 2026-07-29 02:40 UTC
326.3 km
M 4.2
Santa Rosa
United States · 2026-02-21 17:22 UTC
334.3 km
M 4.2
Santa Rosa
United States · 2026-01-08 08:00 UTC
326.8 km
M 4.0
Santa Rosa
United States · 2025-12-14 23:30 UTC
376.3 km
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