Chile earthquakes

M4.8 earthquake 109 km W of Illapel, Chile

A magnitude 4.8 earthquake struck 109 km W of Illapel, Chile on Mon, Sep 28, 2015, 3:05 AM GMT-3 (06:05 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.9 162 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: 4.8 (mwr), light
Local time: Mon, Sep 28, 2015, 3:05 AM GMT-3
UTC: 2015-09-28 06:05:43 UTC
Depth: 10.8 km (6.7 mi), shallow
Epicenter: 31.772° S, 72.315° 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: Reverse (thrust)
Moment magnitude: 4.8 Mwr
Nodal plane 1: Strike 4°, dip 40°, rake 92°
Nodal plane 2: Strike 181°, dip 50°, rake 88°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 3.0 km horizontally, 3.3 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 60°
Stations used: 223

Nearest places

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

Nearby

Within 100 km, magnitude 1.8 and up: 89 in the 60 days after this one and 110 in the 30 days before it.

After

The first 60 of 89.

Before

Earthquakes today Chile earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003pm3 (also filed as gcmt20150928060543). Read Tue, Sep 22, 2026, 9:52 AM UTC.