Chile earthquakes

M4.4 earthquake 99 km W of Vallenar, Chile

A magnitude 4.4 earthquake struck 99 km W of Vallenar, Chile on Mon, Jul 5, 2021, 5:02 AM GMT-4 (09:02 UTC), 11 km (7 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
4.4 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-07-05 09:02:41 UTC
Depth
10.6 km (6.6 mi), shallow
Epicenter
28.754° S, 71.752° 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
4.4 Mwr
Nodal plane 1
Strike 164°, dip 61°, rake 73°
Nodal plane 2
Strike 16°, dip 33°, rake 117°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.4 km horizontally, 2.5 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
148°
Stations used
55

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 4.492 km WSW of Vallenar, Chile · 1916 days ago · 10 km deep · 9 km away
  2. 4.698 km WSW of Vallenar, Chile · 1916 days ago · 10 km deep · 3 km away
  3. 4.0111 km W of Vallenar, Chile · 1916 days ago · 10 km deep · 14 km away
  4. 5.484 km WSW of Vallenar, Chile · 1913 days ago · 20 km deep · 15 km away · felt by 10
  5. 4.491 km W of Vallenar, Chile · 1913 days ago · 10 km deep · 8 km away
  6. 4.490 km WSW of Vallenar, Chile · 1913 days ago · 10 km deep · 13 km away
  7. 4.260 km WSW of Vallenar, Chile · 1908 days ago · 37 km deep · 42 km away · felt by 1
  8. 4.580 km N of La Serena, Chile · 1907 days ago · 59 km deep · 63 km away
  9. 4.4100 km W of Vallenar, Chile · 1896 days ago · 35 km deep · 3 km away
  10. 4.451 km SW of Vallenar, Chile · 1892 days ago · 70 km deep · 58 km away
  11. 4.376 km NW of Vallenar, Chile · 1879 days ago · 43 km deep · 99 km away

Before

  1. 4.2105 km W of Vallenar, Chile · 1916 days ago · 14 km deep · 6 km away
  2. 4.192 km WSW of Vallenar, Chile · 1916 days ago · 20 km deep · 8 km away
  3. 4.392 km W of Vallenar, Chile · 1917 days ago · 10 km deep · 8 km away
  4. 4.285 km WSW of Vallenar, Chile · 1917 days ago · 10 km deep · 14 km away
  5. 4.684 km WSW of Vallenar, Chile · 1917 days ago · 10 km deep · 15 km away
  6. 4.686 km WSW of Vallenar, Chile · 1917 days ago · 21 km deep · 13 km away
  7. 4.3Near the coast of Atacama, Chile · 1917 days ago · 10 km deep · 9 km away
  8. 4.089 km WSW of Vallenar, Chile · 1917 days ago · 11 km deep · 11 km away
  9. 4.586 km WSW of Vallenar, Chile · 1918 days ago · 10 km deep · 15 km away
  10. 4.582 km WSW of Vallenar, Chile · 1918 days ago · 19 km deep · 18 km away
  11. 6.072 km WSW of Vallenar, Chile · 1918 days ago · 22 km deep · 26 km away · felt by 24
  12. 5.975 km WSW of Vallenar, Chile · 1918 days ago · 24 km deep · 24 km away · felt by 26
  13. 4.093 km NW of Vallenar, Chile · 1943 days ago · 17 km deep · 81 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000eitn. Read Sat, Oct 3, 2026, 2:54 PM UTC.