3
Recorded earthquakes
city
1991
Aira earthquakes in 1991
Earthquake archive for Aira in 1991: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.6
Strongest magnitude
4.6
Average magnitude
116.0 km
Average depth
Strongest event
4.6
27 Oct 1991
Miyakonojō, Japan
Depth
135.6 km
UTC
06:38:07
Coordinates
31.790, 130.884
Analysis of the recorded activity
During 1991, 3 earthquakes were recorded near Aira. Magnitudes ranged from 4.5 to 4.6, with an average of 4.6; depths ranged from 33.0 to 179.4 km, averaging 116.0 km. Activity extended from Thursday, June 27, 1991 to Sunday, October 27, 1991 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.6
135.6 km
Miyakonojō, Japan
27 Oct 1991 06:38:07 UTC
4.6
179.4 km
Kaseda-shirakame, Japan
23 Aug 1991 04:50:24 UTC
4.5
33.0 km
Honmachi, Japan
27 Jun 1991 00:11:04 UTC