4
Recorded earthquakes
city
1978
San Ramon earthquakes in 1978
Earthquake archive for San Ramon in 1978: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.2
Strongest magnitude
4.2
Average magnitude
8.8 km
Average depth
Strongest event
4.2
08 Sep 1978
Davis, United States
Depth
10.3 km
UTC
16:59:47
Coordinates
38.631, -121.903
Analysis of the recorded activity
During 1978, 4 earthquakes were recorded near San Ramon. Magnitudes ranged from 4.1 to 4.2, with an average of 4.2; depths ranged from 6.0 to 10.6 km, averaging 8.8 km. Activity extended from Sunday, July 2, 1978 to Sunday, September 17, 1978 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.2
10.3 km
Davis, United States
08 Sep 1978 16:59:47 UTC
4.2
10.6 km
Santa Cruz, United States
02 Jul 1978 11:57:57 UTC
4.2
6.0 km
Redwood City, United States
17 Sep 1978 15:38:18 UTC
4.1
8.3 km
San Jose, United States
29 Aug 1978 00:14:45 UTC