M6.4 earthquake 126 km NW of Ancud, Chile
A magnitude 6.4 earthquake struck 126 km NW of Ancud, Chile on Wed, Aug 5, 1964, 6:23 PM GMT-4 (22:23 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.4 (mw), strong
- Local time
- UTC
- 1964-08-05 22:23:11 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 41.095° S, 74.930° 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
- ±0.30
- 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 iscgem864939. Read Wed, Sep 23, 2026, 7:27 AM UTC.