4
Recorded earthquakes
region
September 1983
Bonin Islands earthquakes in September 1983
Earthquake archive for Bonin Islands in September 1983: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.7
Strongest magnitude
4.6
Average magnitude
170.7 km
Average depth
Strongest event
4.7
21 Sep 1983
Bonin Islands, Japan region
Depth
33.0 km
UTC
20:09:57
Coordinates
28.304, 143.507
Analysis of the recorded activity
During September 1983, 4 earthquakes were recorded near Bonin Islands. Magnitudes ranged from 4.5 to 4.7, with an average of 4.6; depths ranged from 33.0 to 583.8 km, averaging 170.7 km. Activity extended from Tuesday, September 13, 1983 to Sunday, September 25, 1983 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.7
33.0 km
Bonin Islands, Japan region
21 Sep 1983 20:09:57 UTC
4.6
33.0 km
Bonin Islands, Japan region
13 Sep 1983 23:35:55 UTC
4.5
583.8 km
Bonin Islands, Japan region
25 Sep 1983 06:05:55 UTC
4.5
33.0 km
Bonin Islands, Japan region
13 Sep 1983 19:14:07 UTC