2
Recorded earthquakes
region
December 1977
Southwest Indian Ridge earthquakes in December 1977
Earthquake archive for Southwest Indian Ridge in December 1977: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.7
Strongest magnitude
5.3
Average magnitude
33.0 km
Average depth
Strongest event
5.7
22 Dec 1977
Analysis of the recorded activity
During December 1977, 2 earthquakes were recorded near Southwest Indian Ridge. Magnitudes ranged from 4.9 to 5.7, with an average of 5.3; depths ranged from 33.0 to 33.0 km, averaging 33.0 km. Activity extended from Thursday, December 22, 1977 to Friday, December 23, 1977 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
5.7
33.0 km
Southwest Indian Ridge, Unknown
22 Dec 1977 13:29:49 UTC
4.9
33.0 km
Southwest Indian Ridge, Unknown
23 Dec 1977 12:30:30 UTC