Chile earthquakes

M7.7 earthquake 36 km ESE of Tocopilla, Chile

A magnitude 7.7 earthquake struck 36 km ESE of Tocopilla, Chile on Wed, Nov 14, 2007, 12:40 PM GMT-3 (15:40 UTC), 40 km (25 mi) below the surface.

Tocopilla 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: 7.7 (mwc), major
Local time: Wed, Nov 14, 2007, 12:40 PM GMT-3
UTC: 2007-11-14 15:40:50 UTC
Depth: 40.0 km (24.9 mi), shallow
Epicenter: 22.247° S, 69.890° W
Region: Chile
Felt reports: 108
Strongest shaking: VII, very strong shaking
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: VII, very strong shaking
Peak ground acceleration: 27.8% of gravity
Peak ground velocity: 3.3 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

108 people reported to the USGS what they felt; the strongest reported shaking was IX, violent shaking.

Fault motion and ground failure

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

Faulting: Reverse (thrust)
Moment magnitude: 7.8 Mww
Nodal plane 1: Strike 6°, dip 17°, rake 111°
Nodal plane 2: Strike 164°, dip 73°, rake 83°

How well it is located

Reviewed by a seismologist.

Depth from: OPERATOR_ASSIGNED
Station coverage gap: 22°
Stations used: 610

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 55 in the 60 days after this one and 1 in the 30 days before it.

After

Before

3.467 km ESE of Tocopilla, ChileTue, Oct 16, 2:09 AM GMT-3 · 6918 days ago · 110 km deep · 32 km away

Earthquakes today Chile earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000fshy (also filed as us2007jsat, choy20071114154050, gcmtc200711141540a, duputel200711141540a, gcmt20071114154050, atlas20071114154053, iscgem13266131). Read Thu, Sep 24, 2026, 8:09 AM UTC.