Earthquake details

Wednesday, September 9, 1931 Earthquake

The earthquake hit United States on Wednesday, September 9, 1931 at 13:40 UTC with a magnitude of 5.9. The closest known location in the current dataset is Redding (United States - US), about 145.2 km away. The epicenter is located at longitude -123.735 and latitude 39.781.

Magnitude 5.9
Alert Strong
Depth 15.0 km
Coordinates 39.781, -123.735
UTC time 1931-09-09 13:40:49.600
Location Santa Rosa
Country United States (US)
Severity Strong

Earthquake map 1931-09-09

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
131.1 km
M 4.2
Santa Rosa
United States · 2026-02-21 17:22 UTC
134.4 km
M 4.2
Santa Rosa
United States · 2026-01-08 08:00 UTC
128.6 km
M 4.0
Santa Rosa
United States · 2025-12-14 23:30 UTC
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