3
Recorded earthquakes
city
1981
San Ramon earthquakes in 1981
Earthquake archive for San Ramon in 1981: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.8
Strongest magnitude
4.4
Average magnitude
11.2 km
Average depth
Strongest event
4.8
15 Jan 1981
San Jose, United States
Depth
8.9 km
UTC
12:47:51
Coordinates
37.375, -121.729
Analysis of the recorded activity
During 1981, 3 earthquakes were recorded near San Ramon. Magnitudes ranged from 4.1 to 4.8, with an average of 4.4; depths ranged from 8.9 to 13.2 km, averaging 11.2 km. Activity extended from Thursday, January 15, 1981 to Saturday, April 25, 1981 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.8
8.9 km
San Jose, United States
15 Jan 1981 12:47:51 UTC
4.4
11.6 km
San Jose, United States
03 Mar 1981 10:45:12 UTC
4.1
13.2 km
Santa Cruz, United States
25 Apr 1981 19:41:37 UTC