1
Recorded earthquakes
region
December 1981
Iwaki earthquakes in December 1981
Earthquake archive for Iwaki in December 1981: 1 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.6
Strongest magnitude
4.6
Average magnitude
33.0 km
Average depth
Strongest event
4.6
31 Dec 1981
Iwaki, Japan
Depth
33.0 km
UTC
22:05:23
Coordinates
37.438, 142.973
Analysis of the recorded activity
This archive contains one recorded earthquake near Iwaki during December 1981: magnitude 4.6, at a depth of 33.0 km, on Thursday, December 31, 1981 UTC.
Only 1 earthquakes in the current catalogue match this period and location.