M4.9 earthquake 52 km E of Machalí, Chile
A magnitude 4.9 earthquake struck 52 km E of Machalí, Chile on Thu, Aug 20, 1981, 9:15 PM GMT-4 (01:15 UTC), 117 km (73 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1981-08-21 01:15:08 UTC
- Depth
- 117.0 km (72.7 mi), intermediate-depth
- Epicenter
- 34.118° S, 70.090° 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
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 1 in the 60 days after this one and 2 in the 30 days before it.
After
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001fd6. Read Tue, Sep 22, 2026, 2:41 PM UTC.