M5.5 earthquake 80 km WNW of Illapel, Chile

A magnitude 5.5 earthquake struck 80 km WNW of Illapel, Chile on Thu, Sep 17, 2015, 1:26 AM GMT-3 (04:26 UTC), 18 km (11 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.

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

No one has reported feeling this quake to the USGS.

The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.

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 2.5 and up: at least 202 in the 60 days after this one and 94 in the 30 days before it.

The first 60 of at least 202.

From the USGS Earthquake Hazards Program and its partner networks, event us20003kgi. Read Mon, Sep 28, 2026, 8:00 PM UTC.