Chile earthquakes

M4.6 earthquake 85 km W of Iquique, Chile

A magnitude 4.6 earthquake struck 85 km W of Iquique, Chile on Sun, Feb 22, 2015, 2:40 AM GMT-3 (05:40 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M5.2 84 km SW 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
4.6 (mww), light
Local time
UTC
2015-02-22 05:40:20 UTC
Depth
13.2 km (8.2 mi), shallow
Epicenter
20.077° S, 70.954° 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
4.6 Mww
Nodal plane 1
Strike 161°, dip 59°, rake 86°
Nodal plane 2
Strike 349°, dip 31°, rake 97°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.7 km horizontally, 3.7 km in depth
Depth from
FROM_LOCATION
Station coverage gap
143°
Stations used
46

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 8 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.056 km SW of Iquique, Chile · 4220 days ago · 25 km deep · 80 km away
  2. 4.026 km S of Iquique, Chile · 4218 days ago · 18 km deep · 94 km away · felt by 2
  3. 5.284 km SW of Iquique, Chile · 4207 days ago · 16 km deep · 69 km away · felt by 2
  4. 4.082 km SW of Iquique, Chile · 4207 days ago · 26 km deep · 69 km away
  5. 4.5Near the coast of Tarapaca, Chile · 4207 days ago · 25 km deep · 67 km away
  6. 4.281 km WNW of Iquique, Chile · 4194 days ago · 33 km deep · 10 km away
  7. 4.093 km WNW of Iquique, Chile · 4193 days ago · 31 km deep · 22 km away
  8. 4.376 km WNW of Iquique, Chile · 4186 days ago · 28 km deep · 10 km away

Before

  1. 4.2118 km WNW of Iquique, Chile · 4245 days ago · 34 km deep · 39 km away
  2. 4.476 km W of Iquique, Chile · 4248 days ago · 33 km deep · 19 km away
  3. 4.299 km WNW of Iquique, Chile · 4249 days ago · 16 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usc000ts8e. Read Tue, Sep 29, 2026, 9:50 PM UTC.