4
Recorded earthquakes
city
1990
Santa Rosa earthquakes in 1990
Earthquake archive for Santa Rosa in 1990: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.4
Strongest magnitude
4.3
Average magnitude
5.7 km
Average depth
Strongest event
4.4
28 Apr 1990
Hayward, United States
Depth
6.7 km
UTC
04:41:47
Coordinates
37.876, -121.974
Analysis of the recorded activity
During 1990, 4 earthquakes were recorded near Santa Rosa. Magnitudes ranged from 4.2 to 4.4, with an average of 4.3; depths ranged from 0.6 to 7.9 km, averaging 5.7 km. Activity extended from Saturday, April 7, 1990 to Tuesday, August 14, 1990 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.4
6.7 km
Hayward, United States
28 Apr 1990 04:41:47 UTC
4.4
7.9 km
Hayward, United States
07 Apr 1990 02:39:17 UTC
4.2
7.7 km
Hayward, United States
28 Apr 1990 04:47:41 UTC
4.2
0.6 km
Santa Rosa, United States
14 Aug 1990 19:05:12 UTC