M4.2 earthquake 78 km NE of Calama, Chile

A magnitude 4.2 earthquake struck 78 km NE of Calama, Chile on Mon, Oct 10, 2016, 11:55 AM GMT-3 (14:55 UTC), 117 km (73 mi) below the surface.

A larger quake followed: M5.1 45 km E of Calama, 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.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 5 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event us20007d32. Read Wed, Sep 30, 2026, 5:45 AM UTC.