5
Recorded earthquakes
region
December 1991
Izu Islands earthquakes in December 1991
Earthquake archive for Izu Islands in December 1991: 5 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.6
Strongest magnitude
4.6
Average magnitude
363.5 km
Average depth
Strongest event
4.6
23 Dec 1991
Izu Islands, Japan region
Depth
430.1 km
UTC
07:27:30
Coordinates
30.477, 138.394
Analysis of the recorded activity
During December 1991, 5 earthquakes were recorded near Izu Islands. Magnitudes ranged from 4.4 to 4.6, with an average of 4.6; depths ranged from 90.3 to 442.2 km, averaging 363.5 km. Activity extended from Tuesday, December 3, 1991 to Monday, December 23, 1991 UTC.
Only 5 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.6
430.1 km
Izu Islands, Japan region
23 Dec 1991 07:27:30 UTC
4.6
442.2 km
Izu Islands, Japan region
19 Dec 1991 15:12:14 UTC
4.6
90.3 km
Izu Islands, Japan region
05 Dec 1991 04:36:42 UTC
4.6
415.3 km
Izu Islands, Japan region
03 Dec 1991 00:27:12 UTC
4.4
439.7 km
Izu Islands, Japan region
05 Dec 1991 12:09:39 UTC