4
Recorded earthquakes
region
August 1991
Volcano Islands earthquakes in August 1991
Earthquake archive for Volcano Islands in August 1991: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.1
Strongest magnitude
4.9
Average magnitude
334.0 km
Average depth
Strongest event
5.1
19 Aug 1991
Analysis of the recorded activity
During August 1991, 4 earthquakes were recorded near Volcano Islands. Magnitudes ranged from 4.5 to 5.1, with an average of 4.9; depths ranged from 108.7 to 549.5 km, averaging 334.0 km. Activity extended from Friday, August 16, 1991 to Monday, August 19, 1991 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
5.1
108.7 km
Volcano Islands, Japan region
19 Aug 1991 05:21:21 UTC
5.0
549.5 km
Volcano Islands, Japan region
18 Aug 1991 14:45:26 UTC
4.9
136.3 km
Volcano Islands, Japan region
16 Aug 1991 01:47:59 UTC
4.5
541.6 km
Volcano Islands, Japan region
18 Aug 1991 14:45:07 UTC