2
Recorded earthquakes
city
1977
Gilroy earthquakes in 1977
Earthquake archive for Gilroy in 1977: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.4
Strongest magnitude
4.3
Average magnitude
9.7 km
Average depth
Strongest event
4.4
21 Jun 1977
Livermore, United States
Depth
11.2 km
UTC
02:43:06
Coordinates
37.633, -121.664
Analysis of the recorded activity
During 1977, 2 earthquakes were recorded near Gilroy. Magnitudes ranged from 4.2 to 4.4, with an average of 4.3; depths ranged from 8.3 to 11.2 km, averaging 9.7 km. Activity extended from Tuesday, June 21, 1977 to Thursday, December 15, 1977 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.4
11.2 km
Livermore, United States
21 Jun 1977 02:43:06 UTC
4.2
8.3 km
Salinas, United States
15 Dec 1977 11:15:28 UTC