3
Recorded earthquakes
city
1999
Itoman earthquakes in 1999
Earthquake archive for Itoman in 1999: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.6
Strongest magnitude
4.5
Average magnitude
31.4 km
Average depth
Strongest event
4.6
15 Apr 1999
Naha, Japan
Depth
33.0 km
UTC
15:01:21
Coordinates
25.922, 128.514
Analysis of the recorded activity
During 1999, 3 earthquakes were recorded near Itoman. Magnitudes ranged from 4.3 to 4.6, with an average of 4.5; depths ranged from 28.3 to 33.0 km, averaging 31.4 km. Activity extended from Thursday, April 15, 1999 to Friday, May 14, 1999 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.6
33.0 km
Naha, Japan
15 Apr 1999 15:01:21 UTC
4.5
28.3 km
Nago, Japan
14 May 1999 18:23:02 UTC
4.3
33.0 km
Naha, Japan
09 May 1999 14:24:28 UTC