3
Recorded earthquakes
region
December 1991
Mariana Islands region earthquakes in December 1991
Earthquake archive for Mariana Islands region in December 1991: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.6
Strongest magnitude
4.5
Average magnitude
174.6 km
Average depth
Strongest event
4.6
25 Dec 1991
Mariana Islands region, Unknown
Depth
161.8 km
UTC
18:57:45
Coordinates
21.442, 144.325
Analysis of the recorded activity
During December 1991, 3 earthquakes were recorded near Mariana Islands region. Magnitudes ranged from 4.4 to 4.6, with an average of 4.5; depths ranged from 33.0 to 328.9 km, averaging 174.6 km. Activity extended from Sunday, December 1, 1991 to Wednesday, December 25, 1991 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.6
161.8 km
Mariana Islands region, Unknown
25 Dec 1991 18:57:45 UTC
4.4
328.9 km
Mariana Islands region, Unknown
25 Dec 1991 23:43:49 UTC
4.4
33.0 km
Mariana Islands region, Unknown
01 Dec 1991 18:07:45 UTC