Chile earthquakes

M4.3 earthquake 56 km W of La Ligua, Chile

A magnitude 4.3 earthquake struck 56 km W of La Ligua, Chile on Sun, Nov 22, 2020, 7:08 PM GMT-3 (22:08 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M5.0 50 km NNW of La Ligua, Chile. This one was a foreshock.

Quintero 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 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-11-22 22:08:32 UTC
Depth
21.9 km (13.6 mi), shallow
Epicenter
32.483° S, 71.830° W
Region
Chile
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

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
4.3 Mwr
Nodal plane 1
Strike 354°, dip 31°, rake 98°
Nodal plane 2
Strike 165°, dip 59°, rake 85°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.8 km horizontally, 5.0 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
68°
Stations used
63

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.122 km SW of Illapel, Chile · 2137 days ago · 44 km deep · 92 km away · felt by 1
  2. 4.19 km E of Quillota, Chile · 2125 days ago · 67 km deep · 78 km away · felt by 10
  3. 5.050 km NNW of La Ligua, Chile · 2124 days ago · 44 km deep · 56 km away · felt by 33
  4. 4.164 km NW of La Ligua, Chile · 2124 days ago · 35 km deep · 51 km away · felt by 3
  5. 4.555 km WNW of La Ligua, Chile · 2120 days ago · 21 km deep · 23 km away · felt by 3
  6. 4.050 km NNW of Valparaíso, Chile · 2117 days ago · 35 km deep · 16 km away
  7. 4.341 km WNW of Valparaíso, Chile · 2116 days ago · 10 km deep · 45 km away
  8. 4.540 km WNW of Valparaíso, Chile · 2116 days ago · 14 km deep · 44 km away · felt by 1
  9. 3.91 km S of Limache, Chile · 2114 days ago · 58 km deep · 81 km away · felt by 1
  10. 4.146 km WNW of La Ligua, Chile · 2110 days ago · 35 km deep · 24 km away
  11. 4.442 km NW of La Ligua, Chile · 2107 days ago · 47 km deep · 46 km away · felt by 1
  12. 4.490 km WNW of La Ligua, Chile · 2102 days ago · 10 km deep · 56 km away
  13. 4.355 km W of Valparaíso, Chile · 2096 days ago · 10 km deep · 72 km away
  14. 4.443 km WSW of Illapel, Chile · 2094 days ago · 29 km deep · 76 km away
  15. 4.638 km WSW of Illapel, Chile · 2084 days ago · 49 km deep · 80 km away · felt by 2

Before

  1. 4.223 km W of La Ligua, Chile · 2146 days ago · 68 km deep · 33 km away · felt by 4
  2. 4.736 km WSW of Illapel, Chile · 2149 days ago · 47 km deep · 86 km away · felt by 5
  3. 3.851 km WNW of Valparaíso, Chile · 2160 days ago · 10 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000crit. Read Fri, Oct 2, 2026, 4:50 PM UTC.