2
Recorded earthquakes
region
September 1999
Mariana Islands region earthquakes in September 1999
Earthquake archive for Mariana Islands region in September 1999: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.6
Strongest magnitude
4.4
Average magnitude
256.0 km
Average depth
Strongest event
4.6
13 Sep 1999
Mariana Islands region, Unknown
Depth
312.1 km
UTC
20:12:04
Coordinates
21.612, 143.219
Analysis of the recorded activity
During September 1999, 2 earthquakes were recorded near Mariana Islands region. Magnitudes ranged from 4.3 to 4.6, with an average of 4.5; depths ranged from 200.0 to 312.1 km, averaging 256.1 km. Activity extended from Monday, September 13, 1999 to Saturday, September 18, 1999 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.6
312.1 km
Mariana Islands region, Unknown
13 Sep 1999 20:12:04 UTC
4.3
200.0 km
Mariana Islands region, Unknown
18 Sep 1999 18:52:09 UTC