Chile earthquakes

M4.1 earthquake 112 km E of Iquique, Chile

A magnitude 4.1 earthquake struck 112 km E of Iquique, Chile on Tue, Aug 24, 2021, 7:06 AM GMT-4 (11:06 UTC), 104 km (65 mi) below the surface.

A larger quake followed: M4.8 148 km N of Calama, Chile. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-08-24 11:06:58 UTC
Depth
104.5 km (64.9 mi), intermediate-depth
Epicenter
20.277° S, 69.077° W
Region
Chile
Felt reports
3
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

3 people 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?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.7 km horizontally, 5.0 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
94°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.193 km ESE of Iquique, Chile · 1849 days ago · 94 km deep · 49 km away · felt by 4
  2. 4.3160 km N of Calama, Chile · 1845 days ago · 104 km deep · 89 km away
  3. 4.5139 km E of Iquique, Chile · 1843 days ago · 118 km deep · 33 km away · felt by 1
  4. 4.392 km ENE of Iquique, Chile · 1842 days ago · 103 km deep · 33 km away · felt by 9
  5. 2.723 km SE of Iquique, Chile · 1840 days ago · 76 km deep · 98 km away · felt by 2
  6. 4.5142 km E of Iquique, Chile · 1833 days ago · 119 km deep · 33 km away · felt by 1
  7. 4.4138 km ESE of Iquique, Chile · 1830 days ago · 109 km deep · 67 km away · felt by 3
  8. 4.5157 km N of Calama, Chile · 1828 days ago · 131 km deep · 96 km away · felt by 1
  9. 4.229 km SE of Iquique, Chile · 1824 days ago · 88 km deep · 97 km away · felt by 8
  10. 4.8148 km N of Calama, Chile · 1819 days ago · 114 km deep · 96 km away · felt by 3
  11. 4.0Tarapaca, Chile · 1815 days ago · 113 km deep · 47 km away

Before

  1. 4.9136 km ESE of Iquique, Chile · 1866 days ago · 103 km deep · 69 km away · felt by 9
  2. 4.1158 km ESE of Iquique, Chile · 1877 days ago · 108 km deep · 73 km away
  3. 4.4Tarapaca, Chile · 1889 days ago · 109 km deep · 11 km away · felt by 2
  4. 4.2103 km ESE of Iquique, Chile · 1891 days ago · 101 km deep · 27 km away · felt by 5

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000f2z4. Read Fri, Oct 2, 2026, 10:28 PM UTC.