3
Recorded earthquakes
city
1981
Sōma earthquakes in 1981
Earthquake archive for Sōma in 1981: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.9
Strongest magnitude
4.7
Average magnitude
63.8 km
Average depth
Strongest event
4.9
06 Nov 1981
Sendai, Japan
Depth
83.0 km
UTC
04:34:05
Coordinates
37.905, 141.556
Analysis of the recorded activity
During 1981, 3 earthquakes were recorded near Sōma. Magnitudes ranged from 4.5 to 4.9, with an average of 4.7; depths ranged from 47.4 to 83.0 km, averaging 63.8 km. Activity extended from Thursday, July 9, 1981 to Friday, November 6, 1981 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.9
83.0 km
Sendai, Japan
06 Nov 1981 04:34:05 UTC
4.8
47.4 km
Ishinomaki, Japan
21 Oct 1981 13:51:26 UTC
4.5
61.1 km
Ishinomaki, Japan
09 Jul 1981 00:13:03 UTC