M4.0 earthquake 137 km WSW of Coquimbo, Chile

A magnitude 4.0 earthquake struck 137 km WSW of Coquimbo, Chile on Sat, Sep 19, 2015, 8:32 AM GMT-3 (11:32 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M4.2 70 km WSW of Ovalle, Chile. This one was a foreshock.

Map

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

2 people 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: 167 in the 60 days after this one and 32 in the 30 days before it.

The first 60 of 167.

From the USGS Earthquake Hazards Program and its partner networks, event us20003lud. Read Tue, Sep 22, 2026, 3:50 PM UTC.