2
Recorded earthquakes
city
1991
Sibolga earthquakes in 1991
Earthquake archive for Sibolga in 1991: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.8
Strongest magnitude
4.8
Average magnitude
71.7 km
Average depth
Strongest event
4.8
09 Jan 1991
Sibolga, Indonesia
Depth
110.4 km
UTC
12:41:17
Coordinates
1.342, 98.621
Analysis of the recorded activity
During 1991, 2 earthquakes were recorded near Sibolga. Magnitudes ranged from 4.7 to 4.8, with an average of 4.8; depths ranged from 33.0 to 110.4 km, averaging 71.7 km. Activity extended from Wednesday, January 9, 1991 to Monday, April 1, 1991 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.8
110.4 km
Sibolga, Indonesia
09 Jan 1991 12:41:17 UTC
4.7
33.0 km
Gunungsitoli, Indonesia
01 Apr 1991 03:17:34 UTC