Chile earthquakes

M5.3 earthquake 47 km WNW of Vallenar, Chile

A magnitude 5.3 earthquake struck 47 km WNW of Vallenar, Chile on Wed, Aug 2, 2017, 4:03 PM GMT-4 (20:03 UTC), 41 km (26 mi) below the surface.

Vallenar forecast More in Chile

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 5.3 (mww), moderate
Local time: Wed, Aug 2, 2017, 4:03 PM GMT-4
UTC: 2017-08-02 20:03:29 UTC
Depth: 41.1 km (25.5 mi), shallow
Epicenter: 28.491° S, 71.236° W
Region: Chile
Felt reports: 6
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

6 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Oblique normal
Moment magnitude: 5.3 Mww
Nodal plane 1: Strike 72°, dip 24°, rake -52°
Nodal plane 2: Strike 212°, dip 72°, rake -105°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 5.7 km horizontally, 3.5 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 94°
Stations used: 95

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.3 and up: 8 in the 60 days after this one and 0 in the 30 days before it.

After

Earthquakes today Chile earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10009j01 (also filed as iscgem610868789). Read Sun, Sep 27, 2026, 9:22 PM UTC.