Chile earthquakes

M4.2 earthquake 105 km W of Vallenar, Chile

A magnitude 4.2 earthquake struck 105 km W of Vallenar, Chile on Mon, Jul 5, 2021, 4:24 AM GMT-4 (08:24 UTC), 14 km (8 mi) below the surface.

A larger quake followed: M5.4 84 km WSW of Vallenar, Chile. This one was a foreshock.

Vallenar 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
2021-07-05 08:24:11 UTC
Depth
13.5 km (8.4 mi), shallow
Epicenter
28.756° S, 71.814° 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.

Fault motion and ground failure

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

Faulting
Reverse (thrust)
Moment magnitude
4.2 Mwr
Nodal plane 1
Strike 145°, dip 46°, rake 66°
Nodal plane 2
Strike 358°, dip 49°, rake 113°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.1 km horizontally, 4.3 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
134°
Stations used
93

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 4.499 km W of Vallenar, Chile · 1916 days ago · 11 km deep · 6 km away
  2. 4.492 km WSW of Vallenar, Chile · 1916 days ago · 10 km deep · 14 km away
  3. 4.698 km WSW of Vallenar, Chile · 1916 days ago · 10 km deep · 7 km away
  4. 4.0111 km W of Vallenar, Chile · 1916 days ago · 10 km deep · 9 km away
  5. 5.484 km WSW of Vallenar, Chile · 1913 days ago · 20 km deep · 21 km away · felt by 10
  6. 4.491 km W of Vallenar, Chile · 1913 days ago · 10 km deep · 13 km away
  7. 4.490 km WSW of Vallenar, Chile · 1913 days ago · 10 km deep · 18 km away
  8. 4.260 km WSW of Vallenar, Chile · 1908 days ago · 37 km deep · 48 km away · felt by 1
  9. 4.580 km N of La Serena, Chile · 1907 days ago · 59 km deep · 67 km away
  10. 4.4100 km W of Vallenar, Chile · 1896 days ago · 35 km deep · 5 km away
  11. 4.451 km SW of Vallenar, Chile · 1892 days ago · 70 km deep · 64 km away
  12. 4.1106 km WNW of Coquimbo, Chile · 1887 days ago · 10 km deep · 97 km away · felt by 1

Before

  1. 4.192 km WSW of Vallenar, Chile · 1916 days ago · 20 km deep · 14 km away
  2. 4.392 km W of Vallenar, Chile · 1917 days ago · 10 km deep · 13 km away
  3. 4.285 km WSW of Vallenar, Chile · 1917 days ago · 10 km deep · 20 km away
  4. 4.684 km WSW of Vallenar, Chile · 1917 days ago · 10 km deep · 21 km away
  5. 4.686 km WSW of Vallenar, Chile · 1917 days ago · 21 km deep · 19 km away
  6. 4.3Near the coast of Atacama, Chile · 1917 days ago · 10 km deep · 15 km away
  7. 4.089 km WSW of Vallenar, Chile · 1917 days ago · 11 km deep · 16 km away
  8. 4.586 km WSW of Vallenar, Chile · 1917 days ago · 10 km deep · 20 km away
  9. 4.582 km WSW of Vallenar, Chile · 1917 days ago · 19 km deep · 24 km away
  10. 6.072 km WSW of Vallenar, Chile · 1918 days ago · 22 km deep · 32 km away · felt by 24
  11. 5.975 km WSW of Vallenar, Chile · 1918 days ago · 24 km deep · 30 km away · felt by 26
  12. 4.093 km NW of Vallenar, Chile · 1943 days ago · 17 km deep · 84 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000eitg. Read Sat, Oct 3, 2026, 1:57 PM UTC.