2
Recorded earthquakes
city
1981
Martinez earthquakes in 1981
Earthquake archive for Martinez in 1981: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.8
Strongest magnitude
4.6
Average magnitude
10.2 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, 2 earthquakes were recorded near Martinez. Magnitudes ranged from 4.4 to 4.8, with an average of 4.6; depths ranged from 8.9 to 11.6 km, averaging 10.2 km. Activity extended from Thursday, January 15, 1981 to Tuesday, March 3, 1981 UTC.
Only 2 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