4
Recorded earthquakes
region
December 1984
Iwaki earthquakes in December 1984
Earthquake archive for Iwaki in December 1984: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.2
Strongest magnitude
4.8
Average magnitude
52.6 km
Average depth
Strongest event
5.2
18 Dec 1984
Analysis of the recorded activity
During December 1984, 4 earthquakes were recorded near Iwaki. Magnitudes ranged from 4.4 to 5.2, with an average of 4.8; depths ranged from 43.9 to 58.5 km, averaging 52.6 km. Activity extended from Sunday, December 2, 1984 to Tuesday, December 18, 1984 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
5.2
43.9 km
Iwaki, Japan
18 Dec 1984 19:35:27 UTC
4.9
58.5 km
Iwaki, Japan
18 Dec 1984 19:50:43 UTC
4.6
54.1 km
Iwaki, Japan
02 Dec 1984 18:38:45 UTC
4.4
54.0 km
Iwaki, Japan
15 Dec 1984 15:11:55 UTC