Chile earthquakes

M4.7 earthquake 46 km WSW of Illapel, Chile

A magnitude 4.7 earthquake struck 46 km WSW of Illapel, Chile on Mon, Sep 21, 2015, 3:47 PM GMT-3 (18:47 UTC), 38 km (23 mi) below the surface.

A larger quake followed: M5.6 47 km WSW 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
4.7 (mb), light
Local time
UTC
2015-09-21 18:47:07 UTC
Depth
37.6 km (23.4 mi), shallow
Epicenter
31.747° S, 71.642° 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 4.0 km horizontally, 6.9 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
115°
Stations used
53

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 150 in the 60 days after this one and 49 in the 30 days before it.

After

The first 60 of 150.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003miu. Read Mon, Sep 21, 2026, 10:22 PM UTC.