3
Recorded earthquakes
region
April 1978
Iwaki earthquakes in April 1978
Earthquake archive for Iwaki in April 1978: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.5
Strongest magnitude
4.3
Average magnitude
39.0 km
Average depth
Strongest event
4.5
18 Apr 1978
Iwaki, Japan
Depth
51.0 km
UTC
08:58:45
Coordinates
37.274, 141.814
Analysis of the recorded activity
During April 1978, 3 earthquakes were recorded near Iwaki. Magnitudes ranged from 4.1 to 4.5, with an average of 4.3; depths ranged from 33.0 to 51.0 km, averaging 39.0 km. Activity extended from Friday, April 14, 1978 to Thursday, April 27, 1978 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.5
51.0 km
Iwaki, Japan
18 Apr 1978 08:58:45 UTC
4.3
33.0 km
Iwaki, Japan
27 Apr 1978 12:00:57 UTC
4.1
33.0 km
Iwaki, Japan
14 Apr 1978 20:44:09 UTC