Chile earthquakes

M5.5 earthquake 30 km E of Calama, Chile

A magnitude 5.5 earthquake struck 30 km E of Calama, Chile on Wed, Dec 26, 2007, 8:40 PM GMT-3 (23:40 UTC), 107 km (66 mi) below the surface.

A larger quake followed: M5.7 30 km WNW of San Pedro de Atacama, Chile. This one was a foreshock.

Calama forecast More in Chile

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 5.5 (mwc), moderate
Local time: Wed, Dec 26, 2007, 8:40 PM GMT-3
UTC: 2007-12-26 23:40:53 UTC
Depth: 106.6 km (66.2 mi), intermediate-depth
Epicenter: 22.450° S, 68.627° W
Region: Chile
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Normal
Nodal plane 1: Strike 135°, dip 45°, rake -111°
Nodal plane 2: Strike 344°, dip 48°, rake -70°

How well it is located

Reviewed by a seismologist.

Station coverage gap: 47°
Stations used: 248

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 15 in the 60 days after this one and 2 in the 30 days before it.

After

Before

Earthquakes today Chile earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000fvau (also filed as gcmtc200712262340a, gcmt20071226234053, iscgem13298457). Read Sat, Sep 26, 2026, 2:44 PM UTC.