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

Magnitude

4.2 (mb, body-wave), light

Magnitude from

USGS National Earthquake Information Center

Local time

Mon, Apr 19, 2021, 9:31 AM GMT-4

UTC

2021-04-19 13:31:05 UTC

Depth

3.0 km (1.9 mi), shallow

Epicenter

33.975° S, 72.366° W

Region

Chile

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.8 km horizontally, 6.2 km in depth

Magnitude uncertainty

±0.26

Depth from

From location

Station coverage gap

191°, poorly surrounded by stations

Stations used

30

• San Antonio, ChilePopulation 87,675. Forecast82 kmWSW
• Valparaíso, ChilePopulation 282,448. Forecast125 kmSSW
• Santiago, ChilePopulation 4,837,295. Forecast169 kmWSW

After

1. 4.281 km WSW of San Antonio, ChileMon, Apr 19, 9:47 AM GMT-4 · 1993 days ago · 10 km deep · 1 km away · felt by 1
2. 4.478 km WSW of San Antonio, ChileMon, Apr 19, 11:02 AM GMT-4 · 1993 days ago · 10 km deep · 4 km away · felt by 5
3. 4.583 km SW of San Antonio, ChileWed, Apr 21, 4:08 AM GMT-4 · 1991 days ago · 10 km deep · 7 km away
4. 4.479 km SW of San Antonio, ChileWed, Apr 21, 4:15 AM GMT-4 · 1991 days ago · 10 km deep · 14 km away
5. 5.582 km WSW of San Antonio, ChileWed, Apr 21, 8:17 PM GMT-4 · 1990 days ago · 13 km deep · 2 km away · felt by 37
6. 4.484 km SW of San Antonio, ChileThu, Apr 22, 6:29 AM GMT-4 · 1990 days ago · 10 km deep · 8 km away · felt by 5
7. 4.286 km SW of San Antonio, ChileThu, Apr 22, 8:46 AM GMT-4 · 1990 days ago · 10 km deep · 10 km away
8. 4.184 km WSW of San Antonio, ChileThu, Apr 22, 5:45 PM GMT-4 · 1989 days ago · 10 km deep · 3 km away
9. 4.284 km WSW of San Antonio, ChileThu, Apr 22, 5:57 PM GMT-4 · 1989 days ago · 10 km deep · 3 km away · felt by 2
10. 4.191 km WSW of San Antonio, ChileThu, Apr 22, 8:47 PM GMT-4 · 1989 days ago · 10 km deep · 9 km away
11. 4.287 km SW of San Antonio, ChileThu, Apr 22, 11:53 PM GMT-4 · 1989 days ago · 10 km deep · 11 km away · felt by 1
12. 4.187 km SW of San Antonio, ChileThu, Apr 22, 11:56 PM GMT-4 · 1989 days ago · 10 km deep · 10 km away
13. 4.082 km SW of San Antonio, ChileFri, Apr 23, 12:13 AM GMT-4 · 1989 days ago · 10 km deep · 8 km away · felt by 1
14. 4.7Near the coast of Libertador O'Higgins, ChileWed, Apr 28, 2:25 PM GMT-4 · 1983 days ago · 13 km deep · 6 km away
15. 4.288 km WSW of San Antonio, ChileWed, Apr 28, 2:34 PM GMT-4 · 1983 days ago · 10 km deep · 7 km away
16. 4.178 km SW of San Antonio, ChileWed, Apr 28, 5:50 PM GMT-4 · 1983 days ago · 23 km deep · 7 km away
17. 4.1103 km NW of Constitución, ChileTue, May 4, 4:54 AM GMT-4 · 1978 days ago · 19 km deep · 96 km away
18. 4.579 km WSW of San Antonio, ChileTue, May 4, 11:18 AM GMT-4 · 1978 days ago · 10 km deep · 8 km away · felt by 1
19. 4.332 km W of San Antonio, ChileSun, Jun 6, 3:42 PM GMT-4 · 1944 days ago · 31 km deep · 57 km away
20. 4.354 km WSW of San Antonio, ChileFri, Jun 11, 10:55 PM GMT-4 · 1939 days ago · 23 km deep · 32 km away · felt by 3
21. 5.157 km WSW of San Antonio, ChileFri, Jun 11, 11:36 PM GMT-4 · 1939 days ago · 15 km deep · 30 km away · felt by 26
22. 4.566 km SW of San Antonio, ChileTue, Jun 15, 9:57 AM GMT-4 · 1936 days ago · 18 km deep · 20 km away · felt by 2
23. 4.324 km NNW of Cartagena, ChileWed, Jun 16, 4:13 PM GMT-4 · 1934 days ago · 29 km deep · 94 km away · felt by 39

Before

1. 5.079 km WSW of San Antonio, ChileMon, Apr 19, 9:05 AM GMT-4 · 1993 days ago · 10 km deep · 2 km away · felt by 17
2. 5.181 km WSW of San Antonio, ChileMon, Apr 19, 7:13 AM GMT-4 · 1993 days ago · 10 km deep · 0 km away · felt by 17
3. 5.285 km WSW of San Antonio, ChileMon, Apr 19, 12:11 AM GMT-4 · 1993 days ago · 9 km deep · 4 km away · felt by 23
4. 5.185 km WSW of San Antonio, ChileSun, Apr 18, 11:18 PM GMT-4 · 1993 days ago · 13 km deep · 4 km away · felt by 42

From the USGS Earthquake Hazards Program and its partner networks, event us6000e2vr. Read Sat, Oct 3, 2026, 3:28 AM UTC.