Chile earthquakes

M4.5 earthquake 111 km E of Iquique, Chile

A magnitude 4.5 earthquake struck 111 km E of Iquique, Chile on Sun, Aug 23, 2015, 10:18 PM GMT-3 (01:18 UTC), 108 km (67 mi) below the surface.

A larger quake followed: M5.4 105 km ENE of Iquique, Chile. This one was a foreshock.

Pozo Almonte 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
4.5 (mwr), light
Local time
UTC
2015-08-24 01:18:42 UTC
Depth
108.1 km (67.2 mi), intermediate-depth
Epicenter
20.402° S, 69.106° 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
Normal
Moment magnitude
4.5 Mwr
Nodal plane 1
Strike 331°, dip 74°, rake -111°
Nodal plane 2
Strike 205°, dip 26°, rake -38°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.0 km horizontally, 3.9 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
49°
Stations used
163

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.1142 km ENE of Iquique, Chile · 4054 days ago · 122 km deep · 98 km away
  2. 3.9114 km E of Iquique, Chile · 4054 days ago · 105 km deep · 6 km away
  3. 5.4105 km ENE of Iquique, Chile · 4046 days ago · 97 km deep · 70 km away · felt by 6
  4. 4.1108 km E of Iquique, Chile · 4029 days ago · 96 km deep · 37 km away
  5. 4.1138 km N of Calama, Chile · 4024 days ago · 114 km deep · 100 km away
  6. 4.6101 km E of Iquique, Chile · 4024 days ago · 99 km deep · 21 km away
  7. 4.8133 km ESE of Iquique, Chile · 4023 days ago · 80 km deep · 54 km away · felt by 2
  8. 4.1163 km ENE of Iquique, Chile · 4021 days ago · 126 km deep · 86 km away
  9. 4.6155 km ESE of Iquique, Chile · 4021 days ago · 100 km deep · 56 km away
  10. 4.7151 km E of Iquique, Chile · 4002 days ago · 108 km deep · 62 km away
  11. 4.3Chile-Bolivia border region · 3999 days ago · 125 km deep · 98 km away
  12. 4.5105 km E of Iquique, Chile · 3996 days ago · 87 km deep · 10 km away

Before

  1. 4.2115 km ESE of Iquique, Chile · 4058 days ago · 109 km deep · 24 km away
  2. 4.6113 km NE of Iquique, Chile · 4068 days ago · 99 km deep · 96 km away
  3. 4.3101 km ESE of Iquique, Chile · 4075 days ago · 108 km deep · 27 km away
  4. 4.8147 km NNE of Calama, Chile · 4080 days ago · 105 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us100034e3. Read Tue, Sep 29, 2026, 11:14 PM UTC.