2
Recorded earthquakes
region
October 1981
Ishinomaki earthquakes in October 1981
Earthquake archive for Ishinomaki in October 1981: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.8
Strongest magnitude
4.8
Average magnitude
45.0 km
Average depth
Strongest event
4.8
21 Oct 1981
Ishinomaki, Japan
Depth
47.4 km
UTC
13:51:26
Coordinates
37.757, 142.059
Analysis of the recorded activity
During October 1981, 2 earthquakes were recorded near Ishinomaki. Magnitudes ranged from 4.7 to 4.8, with an average of 4.8; depths ranged from 42.5 to 47.4 km, averaging 45.0 km. Activity extended from Sunday, October 11, 1981 to Wednesday, October 21, 1981 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.8
47.4 km
Ishinomaki, Japan
21 Oct 1981 13:51:26 UTC
4.7
42.5 km
Ishinomaki, Japan
11 Oct 1981 16:35:48 UTC