M3.9 earthquake 133 km WSW of Coquimbo, Chile

A magnitude 3.9 earthquake struck 133 km WSW of Coquimbo, Chile on Sat, Sep 19, 2015, 8:16 PM GMT-3 (23:16 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.0 64 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.

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: 172 in the 60 days after this one and 27 in the 30 days before it.

The first 60 of 172.

From the USGS Earthquake Hazards Program and its partner networks, event us20003m1j. Read Tue, Sep 22, 2026, 11:33 AM UTC.