M6.7 earthquake 39 km NNW of Colchane, Chile
A magnitude 6.7 earthquake struck 39 km NNW of Colchane, Chile on Fri, Aug 20, 1965, 5:42 AM GMT-4 (09:42 UTC), 126 km (79 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.7 (mw), strong
- Local time
- UTC
- 1965-08-20 09:42:49 UTC
- Depth
- 126.4 km (78.5 mi), intermediate-depth
- Epicenter
- 18.971° S, 68.828° W
- Region
- Chile
- Strongest shaking
- VI, strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VI, strong shaking
- Peak ground acceleration
- 9.8% of gravity
- Peak ground velocity
- 1.6 cm/s
- Map
- Automatic

Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.40
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem854803. Read Mon, Sep 21, 2026, 9:00 AM UTC.