2
Recorded earthquakes
region
August 1981
Antofagasta earthquakes in August 1981
Earthquake archive for Antofagasta in August 1981: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.9
Strongest magnitude
4.8
Average magnitude
28.0 km
Average depth
Strongest event
4.9
20 Aug 1981
Antofagasta, Chile
Depth
23.0 km
UTC
04:48:47
Coordinates
-22.930, -70.553
Analysis of the recorded activity
During August 1981, 2 earthquakes were recorded near Antofagasta. Magnitudes ranged from 4.6 to 4.9, with an average of 4.8; depths ranged from 23.0 to 33.0 km, averaging 28.0 km. Activity extended from Thursday, August 20, 1981 to Friday, August 28, 1981 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.9
23.0 km
Antofagasta, Chile
20 Aug 1981 04:48:47 UTC
4.6
33.0 km
Antofagasta, Chile
28 Aug 1981 21:40:54 UTC