Chile earthquakes

M4.2 earthquake 91 km WSW of Illapel, Chile

A magnitude 4.2 earthquake struck 91 km WSW of Illapel, Chile on Sat, Sep 26, 2015, 3:16 AM GMT-3 (06:16 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.3 39 km NW of Illapel, 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
4.2 (mb), light
Local time
UTC
2015-09-26 06:16:31 UTC
Depth
12.7 km (7.9 mi), shallow
Epicenter
31.824° S, 72.105° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.6 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
168°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 102 in the 60 days after this one and 97 in the 30 days before it.

After

The first 60 of 102.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003pak. Read Mon, Sep 21, 2026, 9:39 PM UTC.