Chile earthquakes

M4.2 earthquake 47 km NNE of Calama, Chile

A magnitude 4.2 earthquake struck 47 km NNE of Calama, Chile on Sun, Apr 18, 2021, 1:30 AM GMT-4 (05:30 UTC), 137 km (85 mi) below the surface.

A larger quake followed: M5.2 49 km ENE 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
4.2 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-04-18 05:30:00 UTC
Depth
137.2 km (85.3 mi), intermediate-depth
Epicenter
22.073° S, 68.721° 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 4.2 km horizontally, 6.7 km in depth
Depth from
From location
Station coverage gap
38°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.4131 km N of Calama, Chile · 1992 days ago · 117 km deep · 90 km away
  2. 4.183 km NNE of Calama, Chile · 1989 days ago · 118 km deep · 36 km away · felt by 1
  3. 4.446 km SSE of Calama, Chile · 1977 days ago · 109 km deep · 87 km away
  4. 4.448 km NE of Calama, Chile · 1976 days ago · 117 km deep · 17 km away
  5. 4.4140 km NNE of Calama, Chile · 1975 days ago · 106 km deep · 94 km away · felt by 1
  6. 4.661 km NNE of Calama, Chile · 1974 days ago · 113 km deep · 16 km away · felt by 1
  7. 4.3108 km NNE of Calama, Chile · 1970 days ago · 143 km deep · 61 km away · felt by 1
  8. 4.449 km NE of Calama, Chile · 1970 days ago · 113 km deep · 18 km away · felt by 1
  9. 4.296 km NNE of Calama, Chile · 1968 days ago · 138 km deep · 50 km away · felt by 1
  10. 4.7130 km N of Calama, Chile · 1964 days ago · 119 km deep · 89 km away · felt by 11
  11. 4.011 km NNE of Calama, Chile · 1961 days ago · 113 km deep · 36 km away
  12. 5.249 km ENE of Calama, Chile · 1961 days ago · 115 km deep · 26 km away · felt by 2
  13. 4.2101 km NNE of Calama, Chile · 1953 days ago · 149 km deep · 55 km away
  14. 4.083 km NNE of Calama, Chile · 1949 days ago · 139 km deep · 38 km away
  15. 4.3134 km N of Calama, Chile · 1948 days ago · 111 km deep · 92 km away
  16. 4.1130 km N of Calama, Chile · 1945 days ago · 129 km deep · 90 km away
  17. 4.031 km ENE of Calama, Chile · 1945 days ago · 114 km deep · 31 km away

Before

  1. 4.181 km NNE of Calama, Chile · 1994 days ago · 118 km deep · 36 km away
  2. 4.3142 km N of Calama, Chile · 1998 days ago · 137 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000e2jl. Read Fri, Oct 2, 2026, 4:02 PM UTC.