2
Recorded earthquakes
region
Chatham Islands earthquakes archive
Historical earthquake archive for Chatham Islands, with yearly and monthly activity summaries.
Overview
Period at a glance
5.3
Strongest magnitude
4.8
Average magnitude
10.0 km
Average depth
Strongest event
5.3
16 Oct 1999
Analysis of the recorded activity
During All periods, 2 earthquakes were recorded near Chatham Islands. Magnitudes ranged from 4.4 to 5.3, with an average of 4.9; depths ranged from 10.0 to 10.0 km, averaging 10.0 km. Activity extended from Saturday, October 16, 1999 to Sunday, January 5, 2025 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.4
10.0 km
Chatham Islands, New Zealand region
05 Jan 2025 18:30:11 UTC
5.3
10.0 km
Chatham Islands, New Zealand region
16 Oct 1999 03:15:38 UTC