Chile earthquakes

M4.0 earthquake 66 km NNE of Calama, Chile

A magnitude 4.0 earthquake struck 66 km NNE of Calama, Chile on Wed, Jul 26, 2023, 11:11 AM GMT-4 (15:11 UTC), 124 km (77 mi) below the surface.

A larger quake followed: M4.7 43 km SW of Ollagüe, 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
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-07-26 15:11:25 UTC
Depth
123.9 km (77.0 mi), intermediate-depth
Epicenter
21.948° S, 68.583° 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 6.8 km horizontally, 7.2 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
71°
Stations used
18

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. 4.338 km SE of Ollagüe, Chile · 1166 days ago · 134 km deep · 79 km away
  2. 4.5Antofagasta, Chile · 1161 days ago · 115 km deep · 29 km away
  3. 4.217 km NW of Calama, Chile · 1159 days ago · 128 km deep · 63 km away
  4. 4.356 km NNE of Calama, Chile · 1159 days ago · 132 km deep · 12 km away
  5. 4.142 km NE of Calama, Chile · 1158 days ago · 127 km deep · 28 km away
  6. 4.147 km NNE of San Pedro de Atacama, Chile · 1146 days ago · 150 km deep · 91 km away
  7. 4.743 km SW of Ollagüe, Chile · 1139 days ago · 103 km deep · 46 km away
  8. 4.244 km S of Ollagüe, Chile · 1138 days ago · 168 km deep · 54 km away
  9. 4.221 km W of Calama, Chile · 1131 days ago · 88 km deep · 78 km away
  10. 4.222 km SSE of Ollagüe, Chile · 1121 days ago · 110 km deep · 74 km away
  11. 4.240 km SSW of Ollagüe, Chile · 1120 days ago · 131 km deep · 47 km away
  12. 4.456 km S of Ollagüe, Chile · 1118 days ago · 115 km deep · 40 km away
  13. 4.373 km NNE of Calama, Chile · 1116 days ago · 124 km deep · 8 km away
  14. 4.253 km WNW of Ollagüe, Chile · 1108 days ago · 111 km deep · 93 km away
  15. 4.4Antofagasta, Chile · 1108 days ago · 122 km deep · 36 km away
  16. 4.354 km W of Ollagüe, Chile · 1107 days ago · 126 km deep · 91 km away

Before

  1. 4.354 km W of Ollagüe, Chile · 1170 days ago · 115 km deep · 77 km away
  2. 4.157 km NNE of Calama, Chile · 1180 days ago · 111 km deep · 20 km away
  3. 4.4Chile-Bolivia border region · 1186 days ago · 107 km deep · 51 km away
  4. 4.012 km SSW of Ollagüe, Chile · 1187 days ago · 134 km deep · 75 km away
  5. 4.2Chile-Bolivia border region · 1189 days ago · 110 km deep · 27 km away
  6. 4.270 km W of Ollagüe, Chile · 1190 days ago · 115 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000kvqn. Read Sun, Oct 4, 2026, 2:40 PM UTC.