M6.3 earthquake 83 km W of Ovalle, Chile
A magnitude 6.3 earthquake struck 83 km W of Ovalle, Chile on Wed, Apr 20, 1955, 1:48 AM GMT-4 (05:48 UTC), 15 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.3 (mw), strong
- Local time
- UTC
- 1955-04-20 05:48:35 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 30.664° S, 72.071° 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
- 10.5% of gravity
- Peak ground velocity
- 1.9 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
- ±0.38
- 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 2 in the 30 days before it.
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem889447. Read Tue, Sep 22, 2026, 8:04 AM UTC.