M4.2 earthquake 39 km SW of Valparaíso, Chile

Magnitude

4.2 (Mwr, regional moment), light

Magnitude from

USGS National Earthquake Information Center

Local time

Fri, Apr 28, 2017, 3:28 PM GMT-3

UTC

2017-04-28 18:28:23 UTC

Depth

25.5 km (15.9 mi), shallow

Epicenter

33.277° S, 71.941° W

Region

Chile

Felt reports

2

Tsunami flag

No

Status

Reviewed by a seismologist

Faulting

Reverse (thrust)

Moment magnitude

4.2 Mwr

Nodal plane 1

Strike 10°, dip 14°, rake 109°

Nodal plane 2

Strike 170°, dip 77°, rake 85°

Location uncertainty

About 3.6 km horizontally, 5.8 km in depth

Magnitude uncertainty

±0.04

Depth from

From location

Station coverage gap

94°

Stations used

58

• El Quisco, ChilePopulation 16,967. Forecast27 kmWNW
• Valparaíso, ChilePopulation 282,448. Forecast39 kmSW
• Santiago, ChilePopulation 4,837,295. Forecast122 kmW

After

1. 3.850 km WSW of Valparaíso, ChileFri, Apr 28, 4:11 PM GMT-3 · 3444 days ago · 23 km deep · 16 km away · felt by 1
2. 4.138 km WSW of Valparaíso, ChileFri, Apr 28, 6:01 PM GMT-3 · 3444 days ago · 22 km deep · 6 km away · felt by 1
3. 3.864 km WSW of Valparaíso, ChileFri, Apr 28, 10:06 PM GMT-3 · 3444 days ago · 21 km deep · 34 km away
4. 4.439 km WNW of Cartagena, ChileFri, Apr 28, 10:08 PM GMT-3 · 3444 days ago · 20 km deep · 12 km away · felt by 1
5. 4.444 km WSW of Valparaíso, ChileFri, Apr 28, 10:37 PM GMT-3 · 3444 days ago · 20 km deep · 12 km away · felt by 1
6. 5.136 km WSW of Valparaíso, ChileFri, Apr 28, 10:46 PM GMT-3 · 3444 days ago · 19 km deep · 7 km away · felt by 25
7. 3.817 km SW of Valparaíso, ChileFri, Apr 28, 11:36 PM GMT-3 · 3444 days ago · 22 km deep · 22 km away
8. 3.948 km WSW of Valparaíso, ChileSat, Apr 29, 1:50 AM GMT-3 · 3444 days ago · 22 km deep · 14 km away · felt by 1
9. 4.247 km WSW of Valparaíso, ChileSat, Apr 29, 5:30 AM GMT-3 · 3444 days ago · 21 km deep · 15 km away · felt by 2
10. 4.251 km WSW of Valparaíso, ChileSat, Apr 29, 5:54 AM GMT-3 · 3444 days ago · 20 km deep · 19 km away
11. 3.961 km W of Valparaíso, ChileSun, Apr 30, 6:49 PM GMT-3 · 3442 days ago · 16 km deep · 45 km away
12. 4.154 km W of Valparaíso, ChileMon, May 1, 8:38 PM GMT-3 · 3441 days ago · 17 km deep · 38 km away · felt by 3
13. 4.257 km W of Valparaíso, ChileTue, May 2, 3:15 AM GMT-3 · 3441 days ago · 13 km deep · 38 km away
14. 4.460 km W of Valparaíso, ChileWed, May 3, 1:50 PM GMT-3 · 3439 days ago · 18 km deep · 39 km away · felt by 2
15. 3.971 km W of Valparaíso, ChileThu, May 4, 10:34 PM GMT-3 · 3438 days ago · 8 km deep · 58 km away
16. 3.9Off the coast of Valparaiso, ChileTue, May 9, 6:22 AM GMT-3 · 3434 days ago · 20 km deep · 63 km away
17. 5.239 km WNW of Valparaíso, ChileSat, May 13, 1:54 PM GMT-3 · 3429 days ago · 15 km deep · 40 km away · felt by 12
18. 4.311 km S of Valparaíso, ChileSun, May 14, 7:32 AM GMT-4 · 3429 days ago · 31 km deep · 32 km away · felt by 2
19. 4.262 km W of Valparaíso, ChileMon, May 15, 10:16 PM GMT-4 · 3427 days ago · 13 km deep · 48 km away
20. 4.273 km W of Valparaíso, ChileWed, May 17, 8:44 PM GMT-4 · 3425 days ago · 12 km deep · 53 km away · felt by 1
21. 4.151 km WNW of Valparaíso, ChileMon, May 22, 9:05 PM GMT-4 · 3420 days ago · 16 km deep · 45 km away · felt by 1
22. 3.949 km WNW of Valparaíso, ChileMon, May 29, 6:24 PM GMT-4 · 3413 days ago · 17 km deep · 42 km away · felt by 3
23. 4.262 km W of Valparaíso, ChileTue, May 30, 2:45 AM GMT-4 · 3413 days ago · 18 km deep · 50 km away
24. 4.558 km W of Valparaíso, ChileSat, Jun 10, 12:09 PM GMT-4 · 3401 days ago · 10 km deep · 38 km away · felt by 7
25. 4.321 km W of Valparaíso, ChileMon, Jun 12, 7:27 AM GMT-4 · 3400 days ago · 26 km deep · 24 km away · felt by 15

Before

1. 4.145 km WNW of Cartagena, ChileFri, Apr 28, 2:57 PM GMT-3 · 3444 days ago · 20 km deep · 12 km away · felt by 2
2. 5.340 km SW of Valparaíso, ChileFri, Apr 28, 2:41 PM GMT-3 · 3444 days ago · 18 km deep · 2 km away · felt by 10
3. 4.551 km WSW of Valparaíso, ChileFri, Apr 28, 2:41 PM GMT-3 · 3444 days ago · 19 km deep · 19 km away · felt by 1
4. 3.750 km WNW of Cartagena, ChileFri, Apr 28, 2:38 PM GMT-3 · 3444 days ago · 20 km deep · 12 km away · felt by 1
5. 4.244 km WSW of Valparaíso, ChileFri, Apr 28, 2:21 PM GMT-3 · 3444 days ago · 22 km deep · 14 km away
6. 4.651 km WSW of Valparaíso, ChileFri, Apr 28, 2:09 PM GMT-3 · 3444 days ago · 22 km deep · 21 km away · felt by 1
7. 4.347 km WSW of Valparaíso, ChileFri, Apr 28, 1:51 PM GMT-3 · 3444 days ago · 20 km deep · 15 km away · felt by 1
8. 4.639 km NW of Cartagena, ChileFri, Apr 28, 1:27 PM GMT-3 · 3444 days ago · 24 km deep · 5 km away · felt by 1
9. 3.639 km WSW of Valparaíso, ChileFri, Apr 28, 1:21 PM GMT-3 · 3444 days ago · 23 km deep · 9 km away
10. 4.660 km WSW of Valparaíso, ChileFri, Apr 28, 1:18 PM GMT-3 · 3444 days ago · 10 km deep · 28 km away · felt by 1
11. 5.818 km WSW of Valparaíso, ChileFri, Apr 28, 1:05 PM GMT-3 · 3444 days ago · 27 km deep · 21 km away · felt by 52
12. 5.444 km WSW of Valparaíso, ChileFri, Apr 28, 12:58 PM GMT-3 · 3444 days ago · 22 km deep · 11 km away · felt by 2
13. 4.551 km WSW of Valparaíso, ChileFri, Apr 28, 12:56 PM GMT-3 · 3444 days ago · 20 km deep · 15 km away · felt by 1
14. 5.147 km WSW of Valparaíso, ChileFri, Apr 28, 12:49 PM GMT-3 · 3444 days ago · 10 km deep · 14 km away · felt by 2
15. 4.645 km WSW of Valparaíso, ChileFri, Apr 28, 12:44 PM GMT-3 · 3444 days ago · 21 km deep · 10 km away · felt by 1
16. 4.338 km SW of Valparaíso, ChileFri, Apr 28, 12:43 PM GMT-3 · 3444 days ago · 23 km deep · 2 km away
17. 4.636 km SW of Valparaíso, ChileFri, Apr 28, 12:40 PM GMT-3 · 3444 days ago · 22 km deep · 3 km away · felt by 1
18. 4.740 km SW of Valparaíso, ChileFri, Apr 28, 12:33 PM GMT-3 · 3444 days ago · 24 km deep · 2 km away · felt by 1
19. 5.937 km WSW of Valparaíso, ChileFri, Apr 28, 12:30 PM GMT-3 · 3444 days ago · 22 km deep · 7 km away · felt by 325
20. 3.942 km SW of Valparaíso, ChileThu, Apr 27, 6:17 PM GMT-3 · 3445 days ago · 22 km deep · 6 km away · felt by 1

From the USGS Earthquake Hazards Program and its partner networks, event us10008lq0. Read Fri, Oct 2, 2026, 11:03 PM UTC.