Chile earthquakes

M4.3 earthquake 44 km NW of Calama, Chile

A magnitude 4.3 earthquake struck 44 km NW of Calama, Chile on Fri, Oct 22, 2021, 8:14 AM GMT-3 (11:14 UTC), 107 km (66 mi) below the surface.

A larger quake followed: M4.6 57 km NNE 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-10-22 11:14:49 UTC
Depth
106.7 km (66.3 mi), intermediate-depth
Epicenter
22.147° S, 69.194° 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 III, 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 2.2 km horizontally, 6.0 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
58°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.151 km NNE of Calama, Chile · 1805 days ago · 121 km deep · 55 km away
  2. 4.1106 km NNE of Calama, Chile · 1792 days ago · 128 km deep · 93 km away
  3. 4.355 km N of Calama, Chile · 1782 days ago · 119 km deep · 42 km away
  4. 4.2117 km N of Calama, Chile · 1775 days ago · 119 km deep · 90 km away
  5. 4.539 km E of Calama, Chile · 1773 days ago · 112 km deep · 77 km away
  6. 4.434 km NNE of Calama, Chile · 1771 days ago · 125 km deep · 42 km away
  7. 4.357 km W of Calama, Chile · 1768 days ago · 89 km deep · 47 km away
  8. 4.657 km NNE of Calama, Chile · 1752 days ago · 126 km deep · 53 km away
  9. 4.486 km NNE of Calama, Chile · 1749 days ago · 107 km deep · 78 km away

Before

  1. 4.386 km NNE of Calama, Chile · 1818 days ago · 126 km deep · 83 km away
  2. 4.374 km N of Calama, Chile · 1820 days ago · 105 km deep · 56 km away
  3. 4.2102 km N of Calama, Chile · 1822 days ago · 103 km deep · 71 km away
  4. 4.799 km NNE of Calama, Chile · 1827 days ago · 103 km deep · 96 km away
  5. 4.1101 km NNE of Calama, Chile · 1828 days ago · 130 km deep · 94 km away
  6. 4.028 km ENE of Calama, Chile · 1831 days ago · 126 km deep · 61 km away
  7. 4.4103 km NNE of Calama, Chile · 1836 days ago · 105 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000fwr1. Read Sat, Oct 3, 2026, 1:25 AM UTC.