M4.3 earthquake 93 km W of Illapel, Chile

A magnitude 4.3 earthquake struck 93 km W of Illapel, Chile on Fri, Sep 18, 2015, 2:27 AM GMT-3 (05:27 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.9 79 km WNW of Illapel, Chile. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event us20003l3r. Read Tue, Sep 22, 2026, 10:11 AM UTC.