Chile earthquakes

M5.1 earthquake 47 km ENE of Calama, Chile

A magnitude 5.1 earthquake struck 47 km ENE of Calama, Chile on Sat, Jul 21, 2018, 10:39 AM GMT-4 (14:39 UTC), 104 km (65 mi) below the surface.

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
5.1 (Mww, W-phase moment), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-07-21 14:39:03 UTC
Depth
104.3 km (64.8 mi), intermediate-depth
Epicenter
22.279° S, 68.502° W
Region
Chile
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
5.1Mww, W-phase momentUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.061 · 26 stations
5.18Mw, momentISC-GEM global catalogFinal · ±0.1

Did you feel it?

No one has reported feeling this quake to the USGS.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Strike-slip
Moment magnitude
5.1 Mww
Nodal plane 1
Strike 263°, dip 24°, rake -6°
Nodal plane 2
Strike 359°, dip 88°, rake -114°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.8 km horizontally, 4.8 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
37°
Stations used
75

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 9 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.496 km NE of Calama, Chile · 2986 days ago · 112 km deep · 56 km away
  2. 4.486 km NE of Calama, Chile · 2974 days ago · 111 km deep · 50 km away
  3. 4.454 km NE of Calama, Chile · 2962 days ago · 106 km deep · 15 km away
  4. 4.328 km NW of San Pedro de Atacama, Chile · 2955 days ago · 111 km deep · 54 km away
  5. 4.368 km N of Calama, Chile · 2954 days ago · 117 km deep · 60 km away
  6. 4.482 km NNE of Calama, Chile · 2951 days ago · 129 km deep · 50 km away
  7. 4.384 km NNE of Calama, Chile · 2948 days ago · 125 km deep · 57 km away · felt by 1
  8. 4.275 km N of Calama, Chile · 2936 days ago · 108 km deep · 62 km away
  9. 4.535 km SSE of Calama, Chile · 2936 days ago · 118 km deep · 63 km away

Before

  1. 4.373 km NNE of Calama, Chile · 3006 days ago · 135 km deep · 49 km away
  2. 4.355 km NNE of Calama, Chile · 3015 days ago · 122 km deep · 32 km away
  3. 4.251 km N of Calama, Chile · 3021 days ago · 88 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000gaqi (also filed as iscgem612366586). Read Thu, Oct 1, 2026, 8:46 AM UTC.