M4.6 earthquake 108 km NW of Antofagasta, Chile
A magnitude 4.6 earthquake struck 108 km NW of Antofagasta, Chile on Fri, Aug 28, 1981, 5:40 PM GMT-4 (21:40 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1981-08-28 21:40:54 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 22.849° S, 71.010° W
- Region
- Chile
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001fj5. Read Tue, Sep 22, 2026, 4:18 PM UTC.