M4.2 earthquake 49 km SW of Coquimbo, Chile

A magnitude 4.2 earthquake struck 49 km SW of Coquimbo, Chile on Sun, Oct 4, 2015, 3:21 PM GMT-3 (18:21 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M6.9 81 km NW of Coquimbo, Chile. This one was a foreshock.

Map

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

The USGS’s account of the effects of this earthquake.

Felt (IV) at Monte Patria, Punitaqui and Rio Hurtado; (III) at Combarbala, Coquimbo, La Serena and Ovalle.

From the USGS event page for us10003k8l. U.S. Geological Survey text and figures are in the public domain.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 171 in the 60 days after this one and at least 200 in the 30 days before it.

The first 60 of 171.

From the USGS Earthquake Hazards Program and its partner networks, event us10003k8l. Read Sat, Oct 3, 2026, 8:53 AM UTC.