3
Recorded earthquakes
city
1999
Santa Rosa earthquakes in 1999
Earthquake archive for Santa Rosa in 1999: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.6
Strongest magnitude
4.3
Average magnitude
6.9 km
Average depth
Strongest event
4.6
18 Aug 1999
San Rafael, United States
Depth
7.7 km
UTC
01:06:18
Coordinates
37.907, -122.687
Analysis of the recorded activity
During 1999, 3 earthquakes were recorded near Santa Rosa. Magnitudes ranged from 4.2 to 4.6, with an average of 4.3; depths ranged from 3.9 to 9.0 km, averaging 6.9 km. Activity extended from Thursday, February 18, 1999 to Wednesday, September 22, 1999 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.6
7.7 km
San Rafael, United States
18 Aug 1999 01:06:18 UTC
4.2
9.0 km
Santa Rosa, United States
22 Sep 1999 22:27:13 UTC
4.2
3.9 km
Santa Rosa, United States
18 Feb 1999 08:58:41 UTC