M5.5 earthquake 131 km E of Copiapó, Chile
A magnitude 5.5 earthquake struck 131 km E of Copiapó, Chile on Mon, Aug 8, 1966, 5:57 AM GMT-4 (09:57 UTC), 108 km (67 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mw), moderate
- Local time
- UTC
- 1966-08-08 09:57:33 UTC
- Depth
- 108.2 km (67.2 mi), intermediate-depth
- Epicenter
- 27.605° S, 69.023° 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.
- Magnitude uncertainty
- ±0.33
- 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 iscgem844251. Read Wed, Sep 23, 2026, 5:37 AM UTC.