3
Recorded earthquakes
city
1990
Nihommatsu earthquakes in 1990
Earthquake archive for Nihommatsu in 1990: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.8
Strongest magnitude
4.4
Average magnitude
65.5 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 Nihommatsu. Magnitudes ranged from 4.0 to 4.8, with an average of 4.4; depths ranged from 20.4 to 114.0 km, averaging 65.5 km. Activity extended from Monday, June 25, 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
4.0
114.0 km
Sendai, Japan
25 Jun 1990 00:42:30 UTC