Chile earthquakes

M4.4 earthquake 138 km ESE of Iquique, Chile

A magnitude 4.4 earthquake struck 138 km ESE of Iquique, Chile on Tue, Sep 28, 2021, 10:26 PM GMT-3 (01:26 UTC), 109 km (68 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-09-29 01:26:03 UTC
Depth
109.2 km (67.9 mi), intermediate-depth
Epicenter
20.881° S, 69.027° 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 3.8 km horizontally, 5.5 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
45°
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: 14 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.2150 km N of Calama, Chile · 1829 days ago · 136 km deep · 44 km away
  2. 4.5157 km N of Calama, Chile · 1829 days ago · 131 km deep · 41 km away · felt by 1
  3. 4.2102 km N of Calama, Chile · 1823 days ago · 103 km deep · 72 km away
  4. 4.8148 km N of Calama, Chile · 1819 days ago · 114 km deep · 31 km away · felt by 3
  5. 4.2140 km NNE of Calama, Chile · 1812 days ago · 125 km deep · 71 km away
  6. 4.2146 km NNE of Calama, Chile · 1799 days ago · 138 km deep · 53 km away
  7. 4.2142 km E of Iquique, Chile · 1798 days ago · 114 km deep · 53 km away
  8. 4.0115 km ESE of Iquique, Chile · 1797 days ago · 115 km deep · 23 km away · felt by 1
  9. 4.1106 km NNE of Calama, Chile · 1792 days ago · 128 km deep · 91 km away
  10. 4.6163 km ESE of Iquique, Chile · 1780 days ago · 115 km deep · 27 km away · felt by 7
  11. 4.0138 km N of Calama, Chile · 1777 days ago · 117 km deep · 38 km away
  12. 4.2157 km NNE of Calama, Chile · 1776 days ago · 132 km deep · 55 km away
  13. 4.2117 km N of Calama, Chile · 1775 days ago · 119 km deep · 61 km away
  14. 4.6119 km ESE of Iquique, Chile · 1773 days ago · 95 km deep · 35 km away · felt by 18

Before

  1. 4.5142 km E of Iquique, Chile · 1834 days ago · 119 km deep · 56 km away · felt by 1
  2. 4.4103 km NNE of Calama, Chile · 1836 days ago · 105 km deep · 95 km away
  3. 4.392 km ENE of Iquique, Chile · 1842 days ago · 103 km deep · 96 km away · felt by 9
  4. 4.5139 km E of Iquique, Chile · 1843 days ago · 118 km deep · 90 km away · felt by 1
  5. 4.3160 km N of Calama, Chile · 1846 days ago · 104 km deep · 31 km away
  6. 4.193 km ESE of Iquique, Chile · 1849 days ago · 94 km deep · 45 km away · felt by 4

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000fpz1. Read Sat, Oct 3, 2026, 10:11 AM UTC.