Chile earthquakes

M4.4 earthquake 78 km W of Illapel, Chile

A magnitude 4.4 earthquake struck 78 km W of Illapel, Chile on Wed, Sep 23, 2015, 9:55 AM GMT-3 (12:55 UTC), 27 km (17 mi) below the surface.

A larger quake followed: M4.7 44 km W 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
4.4 (mb), light
Local time
UTC
2015-09-23 12:55:02 UTC
Depth
26.8 km (16.6 mi), shallow
Epicenter
31.616° S, 72.001° 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 4.9 km horizontally, 4.0 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
131°
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: 146 in the 60 days after this one and 53 in the 30 days before it.

After

The first 60 of 146.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003nb0. Read Mon, Sep 21, 2026, 10:58 PM UTC.