3
Recorded earthquakes
region
December 1999
Bonin Islands earthquakes in December 1999
Earthquake archive for Bonin Islands in December 1999: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.6
Strongest magnitude
4.3
Average magnitude
281.8 km
Average depth
Strongest event
4.6
31 Dec 1999
Bonin Islands, Japan region
Depth
33.0 km
UTC
21:30:01
Coordinates
27.951, 142.768
Analysis of the recorded activity
During December 1999, 3 earthquakes were recorded near Bonin Islands. Magnitudes ranged from 4.0 to 4.6, with an average of 4.3; depths ranged from 33.0 to 420.9 km, averaging 281.8 km. Activity extended from Wednesday, December 15, 1999 to Friday, December 31, 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
Bonin Islands, Japan region
31 Dec 1999 21:30:01 UTC
4.3
391.4 km
Bonin Islands, Japan region
15 Dec 1999 04:46:22 UTC
4.0
420.9 km
Bonin Islands, Japan region
16 Dec 1999 13:05:38 UTC