M4.1 earthquake 43 km WSW of Rauco, Chile

A magnitude 4.1 earthquake struck 43 km WSW of Rauco, Chile on Sat, Apr 20, 2013, 5:09 AM GMT-3 (08:09 UTC), 58 km (36 mi) below the surface.

A larger quake followed: M4.7 40 km W of Santa Cruz, 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 Chepica, (III) at Curico and (II) at Duao, Iloca, Isla de Maipo, Lolol, Pichilemu, Puente Alto, San Bernardo and Talca.

ML 4.1 (GUC). Felt (IV) at Chepica, (III) at Curico and (II) at Duao, Iloca, Isla de Maipo, Lolol, Pichilemu, Puente Alto, San Bernardo and Talca.

From the USGS event page for usb000gd1w. 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: 5 in the 60 days after this one and 3 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event usb000gd1w. Read Sun, Oct 4, 2026, 1:36 PM UTC.