Chile earthquakes

M4.4 earthquake 100 km WSW of Illapel, Chile

A magnitude 4.4 earthquake struck 100 km WSW of Illapel, Chile on Thu, Sep 24, 2015, 5:54 AM GMT-3 (08:54 UTC), 10 km (6 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 (mwr), light
Local time
UTC
2015-09-24 08:54:04 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
31.846° S, 72.205° 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?

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
4.4 Mwr
Nodal plane 1
Strike 347°, dip 40°, rake 79°
Nodal plane 2
Strike 181°, dip 51°, rake 99°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 6.8 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
142°
Stations used
43

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 110 in the 60 days after this one and 89 in the 30 days before it.

After

The first 60 of 110.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003nlq. Read Tue, Sep 22, 2026, 12:56 AM UTC.