Chile earthquakes

M4.4 earthquake 89 km WNW of Iquique, Chile

A magnitude 4.4 earthquake struck 89 km WNW of Iquique, Chile on Thu, Sep 10, 2015, 11:40 AM GMT-3 (14:40 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M5.0 Near the coast of Tarapaca, 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, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2015-09-10 14:40:14 UTC
Depth
14.7 km (9.1 mi), shallow
Epicenter
20.024° S, 70.979° W
Region
Chile
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

The USGS’s account of the effects of this earthquake.

Felt at Iquique.

From the USGS event page for us20003hqt. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

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 313°, dip 27°, rake 67°
Nodal plane 2
Strike 159°, dip 65°, rake 102°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 2.1 km horizontally, 4.5 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
142°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.285 km WNW of Iquique, Chile · 4034 days ago · 11 km deep · 4 km away
  2. 5.0Near the coast of Tarapaca, Chile · 4033 days ago · 10 km deep · 18 km away
  3. 4.974 km WNW of Iquique, Chile · 4033 days ago · 14 km deep · 15 km away
  4. 4.591 km WNW of Iquique, Chile · 4033 days ago · 16 km deep · 5 km away
  5. 4.987 km WNW of Iquique, Chile · 4033 days ago · 13 km deep · 7 km away · felt by 1
  6. 4.981 km WNW of Iquique, Chile · 4033 days ago · 9 km deep · 13 km away
  7. 4.1Near the coast of Tarapaca, Chile · 4032 days ago · 12 km deep · 18 km away
  8. 4.190 km WNW of Iquique, Chile · 4025 days ago · 12 km deep · 5 km away
  9. 4.480 km W of Iquique, Chile · 4020 days ago · 29 km deep · 35 km away
  10. 4.289 km WNW of Iquique, Chile · 4013 days ago · 13 km deep · 2 km away
  11. 4.577 km WSW of Iquique, Chile · 4002 days ago · 15 km deep · 65 km away · felt by 1
  12. 3.967 km WSW of Iquique, Chile · 3999 days ago · 17 km deep · 65 km away
  13. 4.179 km WNW of Iquique, Chile · 3987 days ago · 30 km deep · 16 km away
  14. 4.095 km WNW of Iquique, Chile · 3979 days ago · 18 km deep · 24 km away
  15. 3.999 km WNW of Iquique, Chile · 3979 days ago · 20 km deep · 23 km away

Before

  1. 3.9Near the coast of Tarapaca, Chile · 4049 days ago · 48 km deep · 89 km away · felt by 1
  2. 4.360 km N of Iquique, Chile · 4057 days ago · 69 km deep · 86 km away · felt by 2
  3. 4.620 km SW of Iquique, Chile · 4057 days ago · 46 km deep · 82 km away
  4. 3.860 km W of Iquique, Chile · 4067 days ago · 16 km deep · 32 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003hqt. Read Thu, Oct 1, 2026, 8:28 AM UTC.