3
Recorded earthquakes
region
December 1984
Izu Islands earthquakes in December 1984
Earthquake archive for Izu Islands in December 1984: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.0
Strongest magnitude
4.6
Average magnitude
83.4 km
Average depth
Strongest event
5.0
12 Dec 1984
Analysis of the recorded activity
During December 1984, 3 earthquakes were recorded near Izu Islands. Magnitudes ranged from 4.2 to 5.0, with an average of 4.6; depths ranged from 33.0 to 140.5 km, averaging 83.4 km. Activity extended from Wednesday, December 5, 1984 to Saturday, December 29, 1984 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
5.0
76.6 km
Izu Islands, Japan region
12 Dec 1984 22:59:57 UTC
4.5
140.5 km
Izu Islands, Japan region
05 Dec 1984 15:09:30 UTC
4.2
33.0 km
Izu Islands, Japan region
29 Dec 1984 11:22:08 UTC