Chile earthquakes

M4.4 earthquake 41 km E of Calama, Chile

A magnitude 4.4 earthquake struck 41 km E of Calama, Chile on Fri, Oct 20, 2023, 11:23 PM GMT-3 (02:23 UTC), 133 km (83 mi) below the surface.

A larger quake followed: M5.2 78 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
2023-10-21 02:23:16 UTC
Depth
133.1 km (82.7 mi), intermediate-depth
Epicenter
22.489° S, 68.520° W
Region
Chile
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 6.3 km horizontally, 4.7 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
50°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.334 km WNW of San Pedro de Atacama, Chile · 1079 days ago · 121 km deep · 36 km away
  2. 4.364 km SW of Calama, Chile · 1078 days ago · 85 km deep · 94 km away
  3. 4.091 km NE of San Pedro de Atacama, Chile · 1076 days ago · 164 km deep · 98 km away
  4. 4.476 km SW of Ollagüe, Chile · 1073 days ago · 134 km deep · 79 km away
  5. 4.4Antofagasta, Chile · 1061 days ago · 103 km deep · 52 km away
  6. 4.621 km SSE of San Pedro de Atacama, Chile · 1060 days ago · 125 km deep · 78 km away
  7. 4.468 km NNE of Calama, Chile · 1060 days ago · 141 km deep · 73 km away
  8. 4.443 km S of San Pedro de Atacama, Chile · 1058 days ago · 96 km deep · 94 km away
  9. 4.759 km NNE of Calama, Chile · 1057 days ago · 114 km deep · 62 km away
  10. 4.238 km S of Calama, Chile · 1054 days ago · 103 km deep · 48 km away
  11. 4.162 km NNE of Calama, Chile · 1053 days ago · 132 km deep · 63 km away
  12. 4.759 km SSW of Ollag?e, Chile · 1053 days ago · 113 km deep · 84 km away · felt by 1
  13. 4.278 km SSW of Calama, Chile · 1051 days ago · 107 km deep · 96 km away
  14. 4.647 km S of Calama, Chile · 1047 days ago · 107 km deep · 65 km away
  15. 5.278 km NE of Calama, Chile · 1046 days ago · 105 km deep · 63 km away · felt by 4
  16. 4.278 km N of Calama, Chile · 1036 days ago · 103 km deep · 87 km away
  17. 4.714 km SSW of San Pedro de Atacama, Chile · 1030 days ago · 135 km deep · 66 km away
  18. 4.440 km SSE of San Pedro de Atacama, Chile · 1028 days ago · 130 km deep · 97 km away
  19. 4.757 km NE of San Pedro de Atacama, Chile · 1021 days ago · 159 km deep · 76 km away

Before

  1. 4.375 km NNE of Calama, Chile · 1083 days ago · 136 km deep · 74 km away
  2. 4.164 km NNE of Calama, Chile · 1091 days ago · 99 km deep · 62 km away
  3. 4.454 km SW of Ollagüe, Chile · 1093 days ago · 139 km deep · 97 km away
  4. 4.362 km ENE of San Pedro de Atacama, Chile · 1095 days ago · 165 km deep · 91 km away
  5. 4.574 km SSW of Ollagüe, Chile · 1098 days ago · 122 km deep · 70 km away
  6. 4.4Antofagasta, Chile · 1107 days ago · 122 km deep · 29 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000lh2f. Read Sun, Oct 4, 2026, 6:15 AM UTC.