2
Recorded earthquakes
region
October 1991
south of Tonga earthquakes in October 1991
Earthquake archive for south of Tonga in October 1991: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.3
Strongest magnitude
5.2
Average magnitude
25.5 km
Average depth
Strongest event
5.3
18 Oct 1991
Analysis of the recorded activity
During October 1991, 2 earthquakes were recorded near south of Tonga. Magnitudes ranged from 5.1 to 5.3, with an average of 5.2; depths ranged from 18.0 to 33.0 km, averaging 25.5 km. Activity extended from Friday, October 18, 1991 to Wednesday, October 23, 1991 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list