Chile earthquakes

M3.8 earthquake 107 km SSW of Arica, Chile

A magnitude 3.8 earthquake struck 107 km SSW of Arica, Chile on Sat, Apr 5, 2014, 8:03 AM GMT-3 (11:03 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M4.3 99 km SSW of Arica, Chile. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
3.8 (mwr), minor
Local time
UTC
2014-04-05 11:03:31 UTC
Depth
20.4 km (12.7 mi), shallow
Epicenter
19.284° S, 70.860° 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
Reverse (thrust)
Moment magnitude
3.8 Mwr
Nodal plane 1
Strike 320°, dip 56°, rake 76°
Nodal plane 2
Strike 163°, dip 36°, rake 109°

How well it is located

Reviewed by a seismologist.

Magnitude uncertainty
±0.05
Depth from
FROM_LOCATION
Station coverage gap
146°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 117 in the 60 days after this one and 82 in the 30 days before it.

After

The first 60 of 117.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usc000p6fk. Read Wed, Sep 23, 2026, 1:01 AM UTC.