3
Recorded earthquakes
region
1981
western Indian-Antarctic Ridge earthquakes in 1981
Earthquake archive for western Indian-Antarctic Ridge in 1981: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.1
Strongest magnitude
4.7
Average magnitude
10.0 km
Average depth
Strongest event
5.1
18 Apr 1981
western Indian-Antarctic Ridge, Unknown
Depth
10.0 km
UTC
05:38:51
Coordinates
-48.884, 121.497
Analysis of the recorded activity
During 1981, 3 earthquakes were recorded near western Indian-Antarctic Ridge. Magnitudes ranged from 4.3 to 5.1, with an average of 4.7; depths ranged from 10.0 to 10.0 km, averaging 10.0 km. Activity extended from Monday, March 9, 1981 to Friday, November 6, 1981 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
5.1
10.0 km
western Indian-Antarctic Ridge, Unknown
18 Apr 1981 05:38:51 UTC
4.6
10.0 km
western Indian-Antarctic Ridge, Unknown
06 Nov 1981 18:52:17 UTC
4.3
10.0 km
western Indian-Antarctic Ridge, Unknown
09 Mar 1981 14:42:38 UTC