2
Recorded earthquakes
city
1983
Shiroishi earthquakes in 1983
Earthquake archive for Shiroishi in 1983: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.5
Strongest magnitude
4.4
Average magnitude
110.6 km
Average depth
Strongest event
4.5
23 Oct 1983
Kōriyama, Japan
Depth
120.0 km
UTC
17:45:58
Coordinates
37.463, 140.316
Analysis of the recorded activity
During 1983, 2 earthquakes were recorded near Shiroishi. Magnitudes ranged from 4.4 to 4.5, with an average of 4.5; depths ranged from 101.1 to 120.0 km, averaging 110.6 km. Activity extended from Sunday, October 23, 1983 to Thursday, December 29, 1983 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.5
120.0 km
Kōriyama, Japan
23 Oct 1983 17:45:58 UTC
4.4
101.1 km
Sendai, Japan
29 Dec 1983 16:31:09 UTC