Chile earthquakes

M3.8 earthquake 68 km SW of Ovalle, Chile

A magnitude 3.8 earthquake struck 68 km SW of Ovalle, Chile on Mon, Sep 28, 2015, 5:27 PM GMT-3 (20:27 UTC), 30 km (19 mi) below the surface.

A larger quake followed: M4.2 30 km WSW of Ovalle, Chile. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
3.8 (mwr), minor
Local time
UTC
2015-09-28 20:27:28 UTC
Depth
29.8 km (18.5 mi), shallow
Epicenter
31.018° S, 71.724° 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.

Fault motion and ground failure

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

Faulting
Oblique reverse
Moment magnitude
3.8 Mwr
Nodal plane 1
Strike 129°, dip 53°, rake 37°
Nodal plane 2
Strike 14°, dip 61°, rake 137°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.3 km horizontally, 5.0 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
58°
Stations used
44

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 199.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10003ilv. Read Tue, Sep 22, 2026, 4:50 PM UTC.