M5.3 earthquake 20 km NW of Constitución, Chile
A magnitude 5.3 earthquake struck 20 km NW of Constitución, Chile on Thu, May 20, 1971, 1:17 PM GMT-4 (17:17 UTC), 30 km (19 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.3 (mw), moderate
- Local time
- UTC
- 1971-05-20 17:17:13 UTC
- Depth
- 30.0 km (18.6 mi), shallow
- Epicenter
- 35.212° S, 72.576° 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
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.3 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 iscgem784769. Read Fri, Sep 25, 2026, 5:03 PM UTC.