Chile earthquakes

M4.1 earthquake 101 km W of Illapel, Chile

A magnitude 4.1 earthquake struck 101 km W of Illapel, Chile on Wed, Sep 23, 2015, 12:59 AM GMT-3 (03:59 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.6 80 km WNW 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
4.1 (mb), light
Local time
UTC
2015-09-23 03:59:20 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
31.694° S, 72.241° 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.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.6 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.52
Depth from
Operator assigned
Station coverage gap
196°, poorly surrounded by stations
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 130 in the 60 days after this one and 69 in the 30 days before it.

After

The first 60 of 130.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003n7d. Read Tue, Sep 22, 2026, 6:47 PM UTC.