M4.2 earthquake 76 km WNW of Illapel, Chile

A magnitude 4.2 earthquake struck 76 km WNW of Illapel, Chile on Fri, Oct 16, 2015, 9:49 AM GMT-3 (12:49 UTC), 30 km (19 mi) below the surface.

A larger quake followed: M6.8 39 km SW of Ovalle, 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: 99 in the 60 days after this one and at least 200 in the 30 days before it.

The first 60 of 99.

From the USGS Earthquake Hazards Program and its partner networks, event us10003p4f. Read Sun, Sep 27, 2026, 1:59 AM UTC.