Chile earthquakes

M4.3 earthquake 27 km ESE of Calama, Chile

A magnitude 4.3 earthquake struck 27 km ESE of Calama, Chile on Tue, Oct 2, 2018, 3:37 AM GMT-3 (06:37 UTC), 119 km (74 mi) below the surface.

A larger quake followed: M4.8 28 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-10-02 06:37:04 UTC
Depth
119.3 km (74.1 mi), intermediate-depth
Epicenter
22.539° S, 68.674° 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 5.8 km horizontally, 10.4 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
43°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.744 km ESE of Calama, Chile · 2905 days ago · 106 km deep · 18 km away · felt by 3
  2. 4.219 km SE of San Pedro de Atacama, Chile · 2899 days ago · 131 km deep · 84 km away
  3. 4.521 km E of Calama, Chile · 2896 days ago · 110 km deep · 8 km away
  4. 4.360 km NNE of Calama, Chile · 2895 days ago · 105 km deep · 65 km away · felt by 1
  5. 4.828 km ENE of Calama, Chile · 2891 days ago · 98 km deep · 25 km away · felt by 1
  6. 4.577 km NNE of Calama, Chile · 2886 days ago · 126 km deep · 80 km away
  7. 4.553 km ENE of San Pedro de Atacama, Chile · 2883 days ago · 170 km deep · 100 km away
  8. 4.332 km SSW of Calama, Chile · 2875 days ago · 122 km deep · 44 km away
  9. 4.533 km NE of Calama, Chile · 2869 days ago · 122 km deep · 35 km away
  10. 4.443 km ESE of Calama, Chile · 2867 days ago · 135 km deep · 17 km away

Before

  1. 4.535 km SSE of Calama, Chile · 2936 days ago · 118 km deep · 29 km away
  2. 4.275 km N of Calama, Chile · 2936 days ago · 108 km deep · 84 km away
  3. 4.384 km NNE of Calama, Chile · 2948 days ago · 125 km deep · 86 km away · felt by 1
  4. 4.482 km NNE of Calama, Chile · 2951 days ago · 129 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000h5id. Read Thu, Oct 1, 2026, 12:54 PM UTC.