M5.7 earthquake 50 km NNW of Diego de Almagro, Chile
A magnitude 5.7 earthquake struck 50 km NNW of Diego de Almagro, Chile on Mon, Feb 28, 1966, 5:38 PM GMT-4 (21:38 UTC), 65 km (40 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (Mw, moment), moderate
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1966-02-28 21:38:54 UTC
- Depth
- 64.7 km (40.2 mi), shallow
- Epicenter
- 25.983° S, 70.328° W
- Region
- Chile
- Strongest shaking
- V, moderate 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
- V, moderate shaking
- Peak ground acceleration
- 5.0% of gravity
- Peak ground velocity
- 0.5 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
- ±0.27
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.7 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 iscgem850562. Read Thu, Oct 1, 2026, 8:37 PM UTC.