3
Recorded earthquakes
city
1987
Koronadal earthquakes in 1987
Earthquake archive for Koronadal in 1987: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.7
Strongest magnitude
4.5
Average magnitude
84.8 km
Average depth
Strongest event
4.7
20 Sep 1987
Maluñgun, Philippines
Depth
132.3 km
UTC
06:35:44
Coordinates
6.421, 125.240
Analysis of the recorded activity
During 1987, 3 earthquakes were recorded near Koronadal. Magnitudes ranged from 4.2 to 4.7, with an average of 4.5; depths ranged from 44.9 to 132.3 km, averaging 84.8 km. Activity extended from Wednesday, March 11, 1987 to Friday, November 13, 1987 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.7
132.3 km
Maluñgun, Philippines
20 Sep 1987 06:35:44 UTC
4.7
44.9 km
Malita, Philippines
11 Mar 1987 17:02:17 UTC
4.2
77.3 km
Budta, Philippines
13 Nov 1987 14:35:37 UTC