4
Recorded earthquakes
region
July 1991
Apia earthquakes in July 1991
Earthquake archive for Apia in July 1991: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.9
Strongest magnitude
4.8
Average magnitude
88.4 km
Average depth
Strongest event
4.9
22 Jul 1991
Apia, Samoa
Depth
33.0 km
UTC
04:09:04
Coordinates
-16.997, -172.800
Analysis of the recorded activity
During July 1991, 4 earthquakes were recorded near Apia. Magnitudes ranged from 4.6 to 4.9, with an average of 4.8; depths ranged from 10.0 to 170.0 km, averaging 88.4 km. Activity extended from Wednesday, July 3, 1991 to Wednesday, July 31, 1991 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.9
33.0 km
Apia, Samoa
22 Jul 1991 04:09:04 UTC
4.9
10.0 km
Apia, Samoa
03 Jul 1991 17:30:57 UTC
4.8
170.0 km
Apia, Samoa
31 Jul 1991 03:27:14 UTC
4.6
140.4 km
Apia, Samoa
07 Jul 1991 12:27:22 UTC