Chile earthquakes

M4.4 earthquake 76 km W of Iquique, Chile

A magnitude 4.4 earthquake struck 76 km W of Iquique, Chile on Thu, Feb 12, 2015, 1:55 AM GMT-3 (04:55 UTC), 33 km (20 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
4.4 (mwr), light
Local time
UTC
2015-02-12 04:55:25 UTC
Depth
32.6 km (20.3 mi), shallow
Epicenter
20.228° S, 70.878° 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
4.4 Mwr
Nodal plane 1
Strike 353°, dip 17°, rake 97°
Nodal plane 2
Strike 166°, dip 73°, rake 88°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.9 km horizontally, 6.1 km in depth
Magnitude uncertainty
±0.05
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.2118 km WNW of Iquique, Chile · 4246 days ago · 34 km deep · 57 km away
  2. 4.685 km W of Iquique, Chile · 4238 days ago · 13 km deep · 19 km away
  3. 4.056 km SW of Iquique, Chile · 4221 days ago · 25 km deep · 63 km away
  4. 4.026 km S of Iquique, Chile · 4219 days ago · 18 km deep · 80 km away · felt by 2
  5. 5.284 km SW of Iquique, Chile · 4208 days ago · 16 km deep · 51 km away · felt by 2
  6. 4.082 km SW of Iquique, Chile · 4207 days ago · 26 km deep · 51 km away
  7. 4.5Near the coast of Tarapaca, Chile · 4207 days ago · 25 km deep · 49 km away
  8. 4.281 km WNW of Iquique, Chile · 4195 days ago · 33 km deep · 25 km away
  9. 4.093 km WNW of Iquique, Chile · 4194 days ago · 31 km deep · 40 km away

Before

  1. 4.299 km WNW of Iquique, Chile · 4250 days ago · 16 km deep · 51 km away
  2. 4.381 km WNW of Iquique, Chile · 4269 days ago · 34 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usb000tngx (also filed as us10000bat). Read Wed, Sep 30, 2026, 1:56 PM UTC.