Chile earthquakes

M4.5 earthquake 33 km NNE of Calama, Chile

A magnitude 4.5 earthquake struck 33 km NNE of Calama, Chile on Mon, Dec 31, 2018, 2:26 PM GMT-3 (17:26 UTC), 107 km (66 mi) below the surface.

A larger quake followed: M5.0 106 km NNE 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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-12-31 17:26:01 UTC
Depth
106.6 km (66.2 mi), intermediate-depth
Epicenter
22.193° S, 68.757° 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 III, 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 6.1 km horizontally, 5.2 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
72°
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.283 km NNE of Calama, Chile · 2824 days ago · 128 km deep · 52 km away
  2. 4.222 km SW of Calama, Chile · 2815 days ago · 115 km deep · 56 km away
  3. 4.140 km NNE of Calama, Chile · 2807 days ago · 112 km deep · 12 km away
  4. 4.544 km E of Calama, Chile · 2799 days ago · 127 km deep · 42 km away
  5. 4.7106 km NNE of Calama, Chile · 2792 days ago · 137 km deep · 73 km away
  6. 5.0106 km NNE of Calama, Chile · 2792 days ago · 115 km deep · 73 km away · felt by 3
  7. 4.246 km SSE of Calama, Chile · 2791 days ago · 104 km deep · 71 km away
  8. 4.4109 km NNE of Calama, Chile · 2776 days ago · 110 km deep · 78 km away
  9. 4.330 km NE of Calama, Chile · 2772 days ago · 117 km deep · 9 km away

Before

  1. 4.271 km NE of Calama, Chile · 2832 days ago · 117 km deep · 37 km away
  2. 4.635 km N of Calama, Chile · 2838 days ago · 100 km deep · 21 km away
  3. 4.3105 km NNE of Calama, Chile · 2839 days ago · 140 km deep · 73 km away
  4. 4.692 km NNE of Calama, Chile · 2841 days ago · 143 km deep · 60 km away
  5. 4.288 km NNW of Calama, Chile · 2846 days ago · 106 km deep · 68 km away
  6. 3.940 km NE of Calama, Chile · 2853 days ago · 114 km deep · 10 km away
  7. 4.990 km NE of Calama, Chile · 2853 days ago · 133 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000izh4. Read Fri, Oct 2, 2026, 7:44 AM UTC.