3
Recorded earthquakes
region
February 1991
Mariana Islands region earthquakes in February 1991
Earthquake archive for Mariana Islands region in February 1991: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.7
Strongest magnitude
4.4
Average magnitude
122.0 km
Average depth
Strongest event
4.7
18 Feb 1991
Mariana Islands region, Unknown
Depth
33.0 km
UTC
22:40:33
Coordinates
21.088, 145.044
Analysis of the recorded activity
During February 1991, 3 earthquakes were recorded near Mariana Islands region. Magnitudes ranged from 4.0 to 4.7, with an average of 4.4; depths ranged from 33.0 to 300.0 km, averaging 122.0 km. Activity extended from Monday, February 11, 1991 to Tuesday, February 26, 1991 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.7
33.0 km
Mariana Islands region, Unknown
18 Feb 1991 22:40:33 UTC
4.5
33.0 km
Mariana Islands region, Unknown
26 Feb 1991 21:06:35 UTC
4.0
300.0 km
Mariana Islands region, Unknown
11 Feb 1991 11:20:03 UTC