2
Recorded earthquakes
city
1991
Martinez earthquakes in 1991
Earthquake archive for Martinez in 1991: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.1
Strongest magnitude
4.0
Average magnitude
12.8 km
Average depth
Strongest event
4.1
20 Apr 1991
San Jose, United States
Depth
7.0 km
UTC
19:41:53
Coordinates
37.418, -121.693
Analysis of the recorded activity
During 1991, 2 earthquakes were recorded near Martinez. Magnitudes ranged from 4.0 to 4.1, with an average of 4.1; depths ranged from 7.0 to 18.6 km, averaging 12.8 km. Activity extended from Sunday, March 10, 1991 to Saturday, April 20, 1991 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.1
7.0 km
San Jose, United States
20 Apr 1991 19:41:53 UTC
4.0
18.6 km
Livermore, United States
10 Mar 1991 17:46:00 UTC