3
Recorded earthquakes
region
September 1991
Bonin Islands earthquakes in September 1991
Earthquake archive for Bonin Islands in September 1991: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.2
Strongest magnitude
4.9
Average magnitude
181.3 km
Average depth
Strongest event
5.2
28 Sep 1991
Analysis of the recorded activity
During September 1991, 3 earthquakes were recorded near Bonin Islands. Magnitudes ranged from 4.5 to 5.2, with an average of 4.9; depths ranged from 33.0 to 477.8 km, averaging 181.3 km. Activity extended from Monday, September 23, 1991 to Saturday, September 28, 1991 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list