2
Recorded earthquakes
region
September 1991
Iwaki earthquakes in September 1991
Earthquake archive for Iwaki in September 1991: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.4
Strongest magnitude
4.4
Average magnitude
47.7 km
Average depth
Strongest event
4.4
29 Sep 1991
Iwaki, Japan
Depth
37.3 km
UTC
21:21:55
Coordinates
36.576, 141.701
Analysis of the recorded activity
During September 1991, 2 earthquakes were recorded near Iwaki. Magnitudes ranged from 4.4 to 4.4, with an average of 4.4; depths ranged from 37.3 to 58.1 km, averaging 47.7 km. Activity extended from Wednesday, September 11, 1991 to Sunday, September 29, 1991 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.4
37.3 km
Iwaki, Japan
29 Sep 1991 21:21:55 UTC
4.4
58.1 km
Iwaki, Japan
11 Sep 1991 07:14:20 UTC