M4.0 earthquake 89 km WNW of Illapel, Chile

A magnitude 4.0 earthquake struck 89 km WNW of Illapel, Chile on Tue, Sep 22, 2015, 11:45 AM GMT-3 (14:45 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M4.2 93 km WNW of Ovalle, Chile. This one was a foreshock.

Map

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

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

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 us20003mw6. Read Tue, Sep 22, 2026, 2:56 AM UTC.