2
Recorded earthquakes
region
December 1990
Iwaki earthquakes in December 1990
Earthquake archive for Iwaki in December 1990: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.8
Strongest magnitude
4.4
Average magnitude
50.6 km
Average depth
Strongest event
4.8
13 Dec 1990
Iwaki, Japan
Depth
42.7 km
UTC
04:33:42
Coordinates
36.319, 141.241
Analysis of the recorded activity
During December 1990, 2 earthquakes were recorded near Iwaki. Magnitudes ranged from 4.0 to 4.8, with an average of 4.4; depths ranged from 42.7 to 58.5 km, averaging 50.6 km. Activity extended from Thursday, December 13, 1990 to Monday, December 17, 1990 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.8
42.7 km
Iwaki, Japan
13 Dec 1990 04:33:42 UTC
4.0
58.5 km
Iwaki, Japan
17 Dec 1990 20:50:52 UTC