5
Recorded earthquakes
city
1987
Shiogama earthquakes in 1987
Earthquake archive for Shiogama in 1987: 5 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.0
Strongest magnitude
4.6
Average magnitude
77.2 km
Average depth
Strongest event
5.0
20 Apr 1987
Analysis of the recorded activity
During 1987, 5 earthquakes were recorded near Shiogama. Magnitudes ranged from 4.1 to 5.0, with an average of 4.6; depths ranged from 48.5 to 118.0 km, averaging 77.2 km. Activity extended from Tuesday, January 20, 1987 to Monday, April 20, 1987 UTC.
Only 5 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
5.0
60.8 km
Minami-Sōma, Japan
20 Apr 1987 10:09:11 UTC
5.0
66.9 km
Kesennuma, Japan
20 Jan 1987 23:36:05 UTC
4.8
91.7 km
Sōma, Japan
28 Feb 1987 07:32:43 UTC
4.3
48.5 km
Ishinomaki, Japan
26 Feb 1987 12:17:59 UTC
4.1
118.0 km
Minami-Sōma, Japan
16 Apr 1987 00:56:03 UTC