2
Recorded earthquakes
region
September 1991
Volcano Islands earthquakes in September 1991
Earthquake archive for Volcano Islands in September 1991: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.9
Strongest magnitude
4.6
Average magnitude
171.4 km
Average depth
Strongest event
4.9
08 Sep 1991
Volcano Islands, Japan region
Depth
55.9 km
UTC
09:32:42
Coordinates
25.919, 141.117
Analysis of the recorded activity
During September 1991, 2 earthquakes were recorded near Volcano Islands. Magnitudes ranged from 4.4 to 4.9, with an average of 4.7; depths ranged from 55.9 to 286.9 km, averaging 171.4 km. Activity extended from Sunday, September 8, 1991 to Friday, September 27, 1991 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.9
55.9 km
Volcano Islands, Japan region
08 Sep 1991 09:32:42 UTC
4.4
286.9 km
Volcano Islands, Japan region
27 Sep 1991 08:38:18 UTC