Chile earthquakes

M4.0 earthquake 96 km W of Illapel, Chile

A magnitude 4.0 earthquake struck 96 km W of Illapel, Chile on Fri, Sep 25, 2015, 6:13 AM GMT-3 (09:13 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.4 79 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
4.0 (mwr), light
Local time
UTC
2015-09-25 09:13:36 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
31.774° S, 72.171° 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.

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
4.0 Mwr
Nodal plane 1
Strike 359°, dip 40°, rake 88°
Nodal plane 2
Strike 182°, dip 50°, rake 92°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.9 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
81°
Stations used
50

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 105 in the 60 days after this one and 94 in the 30 days before it.

After

The first 60 of 105.

Before

Earthquakes todayChile earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003nzk. Read Tue, Sep 22, 2026, 3:32 AM UTC.