Chile earthquakes

M4.4 earthquake 75 km NNE of Calama, Chile

A magnitude 4.4 earthquake struck 75 km NNE of Calama, Chile on Wed, Jul 21, 2021, 11:29 PM GMT-4 (03:29 UTC), 139 km (86 mi) below the surface.

A larger quake followed: M5.2 87 km NE of Calama, Chile. This one was a foreshock.

Calama 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 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-07-22 03:29:41 UTC
Depth
139.2 km (86.5 mi), intermediate-depth
Epicenter
21.847° S, 68.603° W
Region
Chile
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt 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 6.7 km horizontally, 7.4 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
38°
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 4.037 km NNW of San Pedro de Atacama, Chile · 1897 days ago · 115 km deep · 89 km away · felt by 1
  2. 4.3141 km N of Calama, Chile · 1885 days ago · 134 km deep · 76 km away
  3. 5.287 km NE of Calama, Chile · 1882 days ago · 137 km deep · 22 km away · felt by 8
  4. 4.5128 km NNE of Calama, Chile · 1874 days ago · 105 km deep · 59 km away · felt by 2
  5. 4.3124 km N of Calama, Chile · 1873 days ago · 124 km deep · 62 km away
  6. 4.5149 km SW of Uyuni, Bolivia · 1864 days ago · 206 km deep · 91 km away
  7. 4.6139 km NNE of San Pedro de Atacama, Chile · 1860 days ago · 216 km deep · 95 km away
  8. 4.1107 km NE of Calama, Chile · 1850 days ago · 137 km deep · 35 km away
  9. 4.3160 km N of Calama, Chile · 1845 days ago · 104 km deep · 94 km away
  10. 4.339 km NE of Calama, Chile · 1843 days ago · 132 km deep · 40 km away

Before

  1. 4.986 km NNE of Calama, Chile · 1899 days ago · 104 km deep · 16 km away · felt by 3
  2. 4.690 km NNE of Calama, Chile · 1904 days ago · 147 km deep · 15 km away
  3. 4.391 km NNE of Calama, Chile · 1906 days ago · 129 km deep · 17 km away · felt by 1
  4. 4.461 km NNE of Calama, Chile · 1912 days ago · 125 km deep · 13 km away
  5. 4.7147 km N of Calama, Chile · 1913 days ago · 118 km deep · 79 km away · felt by 1
  6. 4.119 km SE of Calama, Chile · 1914 days ago · 109 km deep · 86 km away
  7. 4.0119 km N of Calama, Chile · 1918 days ago · 126 km deep · 52 km away
  8. 4.0138 km N of Calama, Chile · 1921 days ago · 117 km deep · 70 km away
  9. 4.3134 km NNE of Calama, Chile · 1923 days ago · 110 km deep · 59 km away
  10. 3.924 km E of Calama, Chile · 1924 days ago · 123 km deep · 65 km away
  11. 4.398 km NNE of Calama, Chile · 1925 days ago · 111 km deep · 24 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000exuz. Read Fri, Oct 2, 2026, 8:23 PM UTC.