2
Recorded earthquakes
city
1999
Rolleston earthquakes in 1999
Earthquake archive for Rolleston in 1999: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.6
Strongest magnitude
4.4
Average magnitude
22.5 km
Average depth
Strongest event
4.6
14 Sep 1999
Christchurch, New Zealand
Depth
12.0 km
UTC
20:54:35
Coordinates
-42.970, 171.720
Analysis of the recorded activity
During 1999, 2 earthquakes were recorded near Rolleston. Magnitudes ranged from 4.2 to 4.6, with an average of 4.4; depths ranged from 12.0 to 33.0 km, averaging 22.5 km. Activity extended from Tuesday, September 14, 1999 to Sunday, December 26, 1999 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.6
12.0 km
Christchurch, New Zealand
14 Sep 1999 20:54:35 UTC
4.2
33.0 km
Christchurch, New Zealand
26 Dec 1999 12:29:18 UTC