3
Recorded earthquakes
region
1931
San Francisco earthquakes in 1931
Earthquake archive for San Francisco in 1931: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.7
Strongest magnitude
5.4
Average magnitude
5.0 km
Average depth
Strongest event
5.7
23 Aug 1931
Analysis of the recorded activity
During 1931, 3 earthquakes were recorded near San Francisco. Magnitudes ranged from 5.0 to 5.7, with an average of 5.4; depths ranged from 0.0 to 15.0 km, averaging 5.0 km. Activity extended from Tuesday, January 6, 1931 to Sunday, August 23, 1931 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list