M4.3 earthquake 53 km W of Illapel, Chile

A magnitude 4.3 earthquake struck 53 km W of Illapel, Chile on Sat, Nov 21, 2015, 4:37 PM GMT-3 (19:37 UTC), 30 km (19 mi) below the surface.

A larger quake followed: M5.0 92 km WSW of Illapel, 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: 53 in the 60 days after this one and 45 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event us10004057. Read Tue, Sep 22, 2026, 8:40 AM UTC.