4
Recorded earthquakes
region
September 1984
Bonin Islands earthquakes in September 1984
Earthquake archive for Bonin Islands in September 1984: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.1
Strongest magnitude
4.8
Average magnitude
244.7 km
Average depth
Strongest event
5.1
13 Sep 1984
Analysis of the recorded activity
During September 1984, 4 earthquakes were recorded near Bonin Islands. Magnitudes ranged from 4.5 to 5.1, with an average of 4.8; depths ranged from 25.9 to 447.9 km, averaging 244.7 km. Activity extended from Saturday, September 8, 1984 to Thursday, September 20, 1984 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
5.1
25.9 km
Bonin Islands, Japan region
13 Sep 1984 13:57:56 UTC
4.9
58.8 km
Bonin Islands, Japan region
08 Sep 1984 23:37:27 UTC
4.7
446.3 km
Bonin Islands, Japan region
19 Sep 1984 08:41:28 UTC
4.5
447.9 km
Bonin Islands, Japan region
20 Sep 1984 01:12:08 UTC