M4.6 earthquake 89 km WSW of Vallenar, Chile

A magnitude 4.6 earthquake struck 89 km WSW of Vallenar, Chile on Sat, Sep 19, 2015, 3:27 AM GMT-3 (06:27 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M6.2 107 km WNW of Coquimbo, 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 1.6 and up: 30 in the 60 days after this one and 2 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event us20003lr7. Read Wed, Sep 23, 2026, 3:08 PM UTC.