Chile earthquakes

M4.5 earthquake 128 km NNE of Calama, Chile

A magnitude 4.5 earthquake struck 128 km NNE of Calama, Chile on Sun, Aug 15, 2021, 11:48 AM GMT-4 (15:48 UTC), 105 km (65 mi) below the surface.

A larger quake followed: M4.9 136 km ESE of Iquique, 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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-08-15 15:48:24 UTC
Depth
105.2 km (65.4 mi), intermediate-depth
Epicenter
21.318° S, 68.667° W
Region
Chile
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 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, 3.3 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
43°
Stations used
78

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.3124 km N of Calama, Chile · 1873 days ago · 124 km deep · 18 km away
  2. 4.9136 km ESE of Iquique, Chile · 1866 days ago · 103 km deep · 62 km away · felt by 9
  3. 4.5149 km SW of Uyuni, Bolivia · 1864 days ago · 206 km deep · 75 km away
  4. 4.1107 km NE of Calama, Chile · 1850 days ago · 137 km deep · 53 km away
  5. 4.3160 km N of Calama, Chile · 1845 days ago · 104 km deep · 35 km away
  6. 4.339 km NE of Calama, Chile · 1843 days ago · 132 km deep · 99 km away
  7. 4.4103 km NNE of Calama, Chile · 1835 days ago · 105 km deep · 34 km away
  8. 4.4138 km ESE of Iquique, Chile · 1830 days ago · 109 km deep · 61 km away · felt by 3
  9. 4.2150 km N of Calama, Chile · 1828 days ago · 136 km deep · 22 km away
  10. 4.5157 km N of Calama, Chile · 1828 days ago · 131 km deep · 29 km away · felt by 1
  11. 4.1101 km NNE of Calama, Chile · 1828 days ago · 130 km deep · 44 km away
  12. 4.799 km NNE of Calama, Chile · 1827 days ago · 103 km deep · 51 km away
  13. 4.2102 km N of Calama, Chile · 1822 days ago · 103 km deep · 43 km away
  14. 4.374 km N of Calama, Chile · 1820 days ago · 105 km deep · 55 km away
  15. 4.8148 km N of Calama, Chile · 1819 days ago · 114 km deep · 30 km away · felt by 3
  16. 4.386 km NNE of Calama, Chile · 1818 days ago · 126 km deep · 55 km away

Before

  1. 4.1158 km ESE of Iquique, Chile · 1877 days ago · 108 km deep · 50 km away
  2. 5.287 km NE of Calama, Chile · 1882 days ago · 137 km deep · 65 km away · felt by 8
  3. 4.3141 km N of Calama, Chile · 1885 days ago · 134 km deep · 19 km away
  4. 4.475 km NNE of Calama, Chile · 1899 days ago · 139 km deep · 59 km away · felt by 1
  5. 4.986 km NNE of Calama, Chile · 1899 days ago · 104 km deep · 44 km away · felt by 3
  6. 4.690 km NNE of Calama, Chile · 1904 days ago · 147 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000f6m7. Read Fri, Oct 2, 2026, 8:22 PM UTC.