5
Recorded earthquakes
region
December 1991
Volcano Islands earthquakes in December 1991
Earthquake archive for Volcano Islands in December 1991: 5 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.4
Strongest magnitude
4.7
Average magnitude
61.6 km
Average depth
Strongest event
5.4
21 Dec 1991
Analysis of the recorded activity
During December 1991, 5 earthquakes were recorded near Volcano Islands. Magnitudes ranged from 4.3 to 5.4, with an average of 4.7; depths ranged from 33.0 to 120.0 km, averaging 61.6 km. Activity extended from Tuesday, December 3, 1991 to Monday, December 30, 1991 UTC.
Only 5 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
5.4
88.9 km
Volcano Islands, Japan region
21 Dec 1991 19:41:11 UTC
4.8
33.0 km
Volcano Islands, Japan region
30 Dec 1991 15:39:11 UTC
4.5
33.0 km
Volcano Islands, Japan region
27 Dec 1991 20:05:46 UTC
4.4
120.0 km
Volcano Islands, Japan region
23 Dec 1991 07:55:52 UTC
4.3
33.0 km
Volcano Islands, Japan region
03 Dec 1991 11:31:35 UTC