M4.3 earthquake 21 km WSW of Lebu, Chile

A magnitude 4.3 earthquake struck 21 km WSW of Lebu, Chile on Mon, Jul 9, 2012, 10:24 AM GMT-4 (14:24 UTC), 30 km (19 mi) below the surface.

A larger quake followed: M5.0 8 km NW of Arauco, 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 Curanilahue, Lebu and Los Alamos; (III) at Arauco and Canete; (II) at Concepcion.

From the USGS event page for usp000jnt5. 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: 2 in the 60 days after this one and 7 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event usp000jnt5. Read Sat, Oct 3, 2026, 1:02 PM UTC.