Chile earthquakes

M4.5 earthquake 157 km N of Calama, Chile

A magnitude 4.5 earthquake struck 157 km N of Calama, Chile on Thu, Sep 30, 2021, 12:54 PM GMT-3 (15:54 UTC), 131 km (81 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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-09-30 15:54:56 UTC
Depth
130.7 km (81.2 mi), intermediate-depth
Epicenter
21.056° S, 68.675° 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 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 4.6 km horizontally, 9.6 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
160°
Stations used
28

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 7 in the 30 days before it.

After

  1. 4.1101 km NNE of Calama, Chile · 1828 days ago · 130 km deep · 71 km away
  2. 4.799 km NNE of Calama, Chile · 1827 days ago · 103 km deep · 77 km away
  3. 4.2102 km N of Calama, Chile · 1822 days ago · 103 km deep · 63 km away
  4. 4.374 km N of Calama, Chile · 1820 days ago · 105 km deep · 83 km away
  5. 4.8148 km N of Calama, Chile · 1819 days ago · 114 km deep · 20 km away · felt by 3
  6. 4.386 km NNE of Calama, Chile · 1818 days ago · 126 km deep · 83 km away
  7. 4.2140 km NNE of Calama, Chile · 1811 days ago · 125 km deep · 31 km away
  8. 4.2146 km NNE of Calama, Chile · 1799 days ago · 138 km deep · 13 km away
  9. 4.2142 km E of Iquique, Chile · 1797 days ago · 114 km deep · 69 km away
  10. 4.0115 km ESE of Iquique, Chile · 1797 days ago · 115 km deep · 64 km away · felt by 1
  11. 4.1106 km NNE of Calama, Chile · 1792 days ago · 128 km deep · 58 km away
  12. 4.6163 km ESE of Iquique, Chile · 1779 days ago · 115 km deep · 18 km away · felt by 7
  13. 4.0138 km N of Calama, Chile · 1777 days ago · 117 km deep · 29 km away
  14. 4.2157 km NNE of Calama, Chile · 1776 days ago · 132 km deep · 14 km away
  15. 4.2117 km N of Calama, Chile · 1775 days ago · 119 km deep · 42 km away
  16. 4.6119 km ESE of Iquique, Chile · 1773 days ago · 95 km deep · 68 km away · felt by 18

Before

  1. 4.2150 km N of Calama, Chile · 1828 days ago · 136 km deep · 7 km away
  2. 4.4138 km ESE of Iquique, Chile · 1830 days ago · 109 km deep · 41 km away · felt by 3
  3. 4.5142 km E of Iquique, Chile · 1833 days ago · 119 km deep · 71 km away · felt by 1
  4. 4.4103 km NNE of Calama, Chile · 1836 days ago · 105 km deep · 62 km away
  5. 4.3160 km N of Calama, Chile · 1846 days ago · 104 km deep · 10 km away
  6. 4.193 km ESE of Iquique, Chile · 1849 days ago · 94 km deep · 86 km away · felt by 4
  7. 4.1107 km NE of Calama, Chile · 1851 days ago · 137 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000fqhd. Read Sat, Oct 3, 2026, 1:13 AM UTC.