Chile earthquakes

M4.2 earthquake 81 km WSW of San Antonio, Chile

A magnitude 4.2 earthquake struck 81 km WSW of San Antonio, Chile on Mon, Apr 19, 2021, 9:47 AM GMT-4 (13:47 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.5 82 km WSW of San Antonio, Chile. This one was a foreshock.

San Antonio forecastMore in Chile

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-04-19 13:47:22 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
33.976° S, 72.355° 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 2.3 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.23
Depth from
Operator assigned
Station coverage gap
177°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.478 km WSW of San Antonio, Chile · 1993 days ago · 10 km deep · 4 km away · felt by 5
  2. 4.583 km SW of San Antonio, Chile · 1991 days ago · 10 km deep · 7 km away
  3. 4.479 km SW of San Antonio, Chile · 1991 days ago · 10 km deep · 13 km away
  4. 5.582 km WSW of San Antonio, Chile · 1990 days ago · 13 km deep · 2 km away · felt by 37
  5. 4.484 km SW of San Antonio, Chile · 1990 days ago · 10 km deep · 7 km away · felt by 5
  6. 4.286 km SW of San Antonio, Chile · 1990 days ago · 10 km deep · 10 km away
  7. 4.184 km WSW of San Antonio, Chile · 1989 days ago · 10 km deep · 4 km away
  8. 4.284 km WSW of San Antonio, Chile · 1989 days ago · 10 km deep · 4 km away · felt by 2
  9. 4.191 km WSW of San Antonio, Chile · 1989 days ago · 10 km deep · 10 km away
  10. 4.287 km SW of San Antonio, Chile · 1989 days ago · 10 km deep · 10 km away · felt by 1
  11. 4.187 km SW of San Antonio, Chile · 1989 days ago · 10 km deep · 10 km away
  12. 4.082 km SW of San Antonio, Chile · 1989 days ago · 10 km deep · 7 km away · felt by 1
  13. 4.7Near the coast of Libertador O'Higgins, Chile · 1984 days ago · 13 km deep · 6 km away
  14. 4.288 km WSW of San Antonio, Chile · 1984 days ago · 10 km deep · 7 km away
  15. 4.178 km SW of San Antonio, Chile · 1983 days ago · 23 km deep · 6 km away
  16. 4.1103 km NW of Constitución, Chile · 1978 days ago · 19 km deep · 97 km away
  17. 4.579 km WSW of San Antonio, Chile · 1978 days ago · 10 km deep · 9 km away · felt by 1
  18. 4.332 km W of San Antonio, Chile · 1944 days ago · 31 km deep · 56 km away
  19. 4.354 km WSW of San Antonio, Chile · 1939 days ago · 23 km deep · 32 km away · felt by 3
  20. 5.157 km WSW of San Antonio, Chile · 1939 days ago · 15 km deep · 30 km away · felt by 26
  21. 4.566 km SW of San Antonio, Chile · 1936 days ago · 18 km deep · 19 km away · felt by 2
  22. 4.324 km NNW of Cartagena, Chile · 1934 days ago · 29 km deep · 93 km away · felt by 39

Before

  1. 4.281 km WSW of San Antonio, Chile · 1993 days ago · 3 km deep · 1 km away
  2. 5.079 km WSW of San Antonio, Chile · 1993 days ago · 10 km deep · 2 km away · felt by 17
  3. 5.181 km WSW of San Antonio, Chile · 1993 days ago · 10 km deep · 1 km away · felt by 17
  4. 5.285 km WSW of San Antonio, Chile · 1993 days ago · 9 km deep · 5 km away · felt by 23
  5. 5.185 km WSW of San Antonio, Chile · 1993 days ago · 13 km deep · 5 km away · felt by 42

Earthquakes todayChile earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000e2vt. Read Sat, Oct 3, 2026, 6:22 AM UTC.