Chile earthquakes

M4.2 earthquake 92 km WNW of Iquique, Chile

A magnitude 4.2 earthquake struck 92 km WNW of Iquique, Chile on Thu, Jan 1, 2015, 8:39 PM GMT-3 (23:39 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M4.6 85 km W of Iquique, Chile. This one was a foreshock.

Iquique forecastMore in Chile

Map

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

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The earthquake

Magnitude
4.2 (mwr), light
Local time
UTC
2015-01-01 23:39:47 UTC
Depth
14.2 km (8.8 mi), shallow
Epicenter
19.945° S, 70.988° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

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
4.2 Mwr
Nodal plane 1
Strike 352°, dip 28°, rake 102°
Nodal plane 2
Strike 159°, dip 63°, rake 84°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.9 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.06
Depth from
FROM_LOCATION
Station coverage gap
113°
Stations used
50

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.

After

Before

Earthquakes todayChile earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usc000tb79. Read Tue, Sep 29, 2026, 2:24 PM UTC.