5
Recorded earthquakes
city
1981
Sibolga earthquakes in 1981
Earthquake archive for Sibolga in 1981: 5 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.7
Strongest magnitude
4.7
Average magnitude
89.8 km
Average depth
Strongest event
5.7
11 Jan 1981
Analysis of the recorded activity
During 1981, 5 earthquakes were recorded near Sibolga. Magnitudes ranged from 4.3 to 5.7, with an average of 4.7; depths ranged from 33.0 to 168.4 km, averaging 89.8 km. Activity extended from Sunday, January 11, 1981 to Monday, October 5, 1981 UTC.
Only 5 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
5.7
69.0 km
Singkil, Indonesia
11 Jan 1981 15:09:46 UTC
4.6
62.9 km
Padangsidempuan, Indonesia
28 Apr 1981 04:45:49 UTC
4.5
33.0 km
Padangsidempuan, Indonesia
29 Sep 1981 14:41:23 UTC
4.4
115.6 km
Padangsidempuan, Indonesia
05 Oct 1981 15:41:38 UTC
4.3
168.4 km
Tarutung, Indonesia
03 Oct 1981 19:59:41 UTC