Chile earthquakes

M5.4 earthquake 50 km W of Illapel, Chile

A magnitude 5.4 earthquake struck 50 km W of Illapel, Chile on Sun, Sep 27, 2015, 6:04 PM GMT-3 (21:04 UTC), 37 km (23 mi) below the surface.

A larger quake followed: M5.5 54 km WSW of Illapel, Chile. This one was a foreshock.

Los Vilos forecast More in Chile

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 5.4 (mwr), moderate
Local time: Sun, Sep 27, 2015, 6:04 PM GMT-3
UTC: 2015-09-27 21:04:45 UTC
Depth: 36.9 km (22.9 mi), shallow
Epicenter: 31.669° S, 71.701° W
Region: Chile
Felt reports: 6
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

6 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

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: 4.9 Mwr
Nodal plane 1: Strike 172°, dip 61°, rake 96°
Nodal plane 2: Strike 339°, dip 29°, rake 79°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 4.2 km horizontally, 4.3 km in depth
Stations used: 0

Nearest places

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

Nearby

Within 100 km, magnitude 2.4 and up: 108 in the 60 days after this one and 91 in the 30 days before it.

After

The first 60 of 108.

Before

Earthquakes today Chile earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003pjl (also filed as gcmt20150927210445, iscgem607833220). Read Wed, Sep 23, 2026, 2:35 AM UTC.