3
Recorded earthquakes
city
1990
Kōriyama earthquakes in 1990
Earthquake archive for Kōriyama in 1990: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.8
Strongest magnitude
4.5
Average magnitude
48.6 km
Average depth
Strongest event
4.8
11 Dec 1990
Kaminoyama, Japan
Depth
20.4 km
UTC
13:25:43
Coordinates
38.229, 140.049
Analysis of the recorded activity
During 1990, 3 earthquakes were recorded near Kōriyama. Magnitudes ranged from 4.3 to 4.8, with an average of 4.5; depths ranged from 20.4 to 63.2 km, averaging 48.6 km. Activity extended from Monday, July 23, 1990 to Tuesday, December 11, 1990 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.8
20.4 km
Kaminoyama, Japan
11 Dec 1990 13:25:43 UTC
4.3
62.1 km
Iwaki, Japan
31 Aug 1990 04:06:00 UTC
4.3
63.2 km
Iwaki, Japan
23 Jul 1990 18:57:49 UTC