5
Recorded earthquakes
city
1987
San Antonio earthquakes in 1987
Earthquake archive for San Antonio in 1987: 5 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.6
Strongest magnitude
4.4
Average magnitude
66.0 km
Average depth
Strongest event
4.6
13 May 1987
Angeles City, Philippines
Depth
50.7 km
UTC
12:34:19
Coordinates
15.594, 119.829
Analysis of the recorded activity
During 1987, 5 earthquakes were recorded near San Antonio. Magnitudes ranged from 4.1 to 4.6, with an average of 4.4; depths ranged from 33.0 to 137.9 km, averaging 66.0 km. Activity extended from Monday, March 30, 1987 to Wednesday, July 8, 1987 UTC.
Only 5 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.6
50.7 km
Angeles City, Philippines
13 May 1987 12:34:19 UTC
4.6
75.5 km
Olongapo City, Philippines
30 Mar 1987 10:04:17 UTC
4.4
137.9 km
Olongapo City, Philippines
08 Jul 1987 14:16:59 UTC
4.4
33.0 km
Olongapo City, Philippines
13 May 1987 17:29:05 UTC
4.1
33.0 km
San Antonio, Philippines
31 May 1987 18:06:29 UTC