2
Recorded earthquakes
region
October 1977
Iwaki earthquakes in October 1977
Earthquake archive for Iwaki in October 1977: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.1
Strongest magnitude
5.0
Average magnitude
42.5 km
Average depth
Strongest event
5.1
25 Oct 1977
Analysis of the recorded activity
During October 1977, 2 earthquakes were recorded near Iwaki. Magnitudes ranged from 4.9 to 5.1, with an average of 5.0; depths ranged from 41.0 to 44.0 km, averaging 42.5 km. Activity extended from Saturday, October 22, 1977 to Tuesday, October 25, 1977 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
5.1
41.0 km
Iwaki, Japan
25 Oct 1977 21:55:08 UTC
4.9
44.0 km
Iwaki, Japan
22 Oct 1977 11:58:45 UTC