2
Recorded earthquakes
region
April 1991
Iwaki earthquakes in April 1991
Earthquake archive for Iwaki in April 1991: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.7
Strongest magnitude
4.6
Average magnitude
40.4 km
Average depth
Strongest event
4.7
01 Apr 1991
Iwaki, Japan
Depth
26.8 km
UTC
22:33:42
Coordinates
36.323, 141.979
Analysis of the recorded activity
During April 1991, 2 earthquakes were recorded near Iwaki. Magnitudes ranged from 4.6 to 4.7, with an average of 4.7; depths ranged from 26.8 to 53.9 km, averaging 40.4 km. Activity extended from Monday, April 1, 1991 to Monday, April 8, 1991 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.7
26.8 km
Iwaki, Japan
01 Apr 1991 22:33:42 UTC
4.6
53.9 km
Iwaki, Japan
08 Apr 1991 23:26:13 UTC