M3.7 earthquake 50 km W of Illapel, Chile

Magnitude

3.7 (mwr), minor

Local time

Mon, Sep 21, 2015, 7:25 PM GMT-3

UTC

2015-09-21 22:25:31 UTC

Depth

27.3 km (17.0 mi), shallow

Epicenter

31.683° S, 71.702° W

Region

Chile

Felt reports

1

Tsunami flag

No

Status

Reviewed by a seismologist

Faulting

Reverse (thrust)

Moment magnitude

3.7 Mwr

Nodal plane 1

Strike 176°, dip 64°, rake 77°

Nodal plane 2

Strike 24°, dip 29°, rake 115°

Location uncertainty

About 2.7 km horizontally, 5.3 km in depth

Magnitude uncertainty

±0.06

Depth from

From location

Station coverage gap

150°

Stations used

34

• Los Vilos, ChilePopulation 18,275. Forecast32 kmNW
• Viña del Mar, ChilePopulation 334,248. Forecast150 kmN
• Santiago, ChilePopulation 4,837,295. Forecast221 kmNNW

After

1. 3.974 km WSW of Ovalle, ChileMon, Sep 21, 9:56 PM GMT-3 · 4019 days ago · 24 km deep · 96 km away
2. 4.488 km WNW of La Ligua, ChileMon, Sep 21, 10:14 PM GMT-3 · 4019 days ago · 16 km deep · 66 km away
3. 4.2105 km W of Illapel, ChileTue, Sep 22, 12:38 AM GMT-3 · 4018 days ago · 14 km deep · 55 km away
4. 4.8110 km WNW of La Ligua, ChileTue, Sep 22, 4:03 AM GMT-3 · 4018 days ago · 10 km deep · 80 km away
5. 6.022 km NNW of Illapel, ChileTue, Sep 22, 4:13 AM GMT-3 · 4018 days ago · 58 km deep · 49 km away · felt by 112
6. 4.295 km W of Illapel, ChileTue, Sep 22, 5:54 AM GMT-3 · 4018 days ago · 10 km deep · 47 km away · felt by 1
7. 3.993 km WNW of La Ligua, ChileTue, Sep 22, 7:01 AM GMT-3 · 4018 days ago · 16 km deep · 66 km away
8. 4.4Off the coast of Valparaiso, ChileTue, Sep 22, 10:17 AM GMT-3 · 4018 days ago · 16 km deep · 63 km away · felt by 8
9. 4.089 km WNW of Illapel, ChileTue, Sep 22, 11:45 AM GMT-3 · 4018 days ago · 18 km deep · 58 km away · felt by 1
10. 4.1109 km WNW of La Ligua, ChileTue, Sep 22, 1:45 PM GMT-3 · 4018 days ago · 10 km deep · 84 km away
11. 4.782 km WSW of Ovalle, ChileTue, Sep 22, 5:46 PM GMT-3 · 4018 days ago · 20 km deep · 86 km away
12. 3.974 km WNW of Illapel, ChileTue, Sep 22, 6:44 PM GMT-3 · 4018 days ago · 29 km deep · 32 km away
13. 4.364 km SW of Ovalle, ChileTue, Sep 22, 7:26 PM GMT-3 · 4018 days ago · 34 km deep · 74 km away · felt by 2
14. 4.063 km WNW of La Ligua, ChileTue, Sep 22, 8:25 PM GMT-3 · 4018 days ago · 16 km deep · 70 km away
15. 4.39 km W of Illapel, ChileTue, Sep 22, 9:23 PM GMT-3 · 4018 days ago · 45 km deep · 41 km away
16. 4.0123 km W of Illapel, ChileTue, Sep 22, 10:52 PM GMT-3 · 4018 days ago · 10 km deep · 73 km away
17. 4.1101 km W of Illapel, ChileWed, Sep 23, 12:59 AM GMT-3 · 4017 days ago · 10 km deep · 51 km away
18. 4.680 km WNW of Illapel, ChileWed, Sep 23, 1:21 AM GMT-3 · 4017 days ago · 11 km deep · 45 km away · felt by 1
19. 4.576 km W of Illapel, ChileWed, Sep 23, 7:05 AM GMT-3 · 4017 days ago · 10 km deep · 30 km away
20. 5.074 km W of Illapel, ChileWed, Sep 23, 8:32 AM GMT-3 · 4017 days ago · 10 km deep · 25 km away · felt by 3
21. 4.478 km W of Illapel, ChileWed, Sep 23, 9:55 AM GMT-3 · 4017 days ago · 27 km deep · 29 km away
22. 4.443 km WNW of Illapel, ChileWed, Sep 23, 11:05 AM GMT-3 · 4017 days ago · 35 km deep · 32 km away
23. 4.369 km WNW of Illapel, ChileWed, Sep 23, 11:47 AM GMT-3 · 4017 days ago · 10 km deep · 32 km away
24. 4.444 km SW of Ovalle, ChileWed, Sep 23, 11:53 AM GMT-3 · 4017 days ago · 42 km deep · 94 km away
25. 4.397 km NW of Valparaíso, ChileWed, Sep 23, 12:06 PM GMT-3 · 4017 days ago · 10 km deep · 97 km away
26. 4.256 km SW of Ovalle, ChileWed, Sep 23, 12:09 PM GMT-3 · 4017 days ago · 28 km deep · 78 km away
27. 4.069 km W of Illapel, ChileWed, Sep 23, 12:25 PM GMT-3 · 4017 days ago · 34 km deep · 24 km away
28. 4.365 km WSW of Ovalle, ChileWed, Sep 23, 12:51 PM GMT-3 · 4017 days ago · 30 km deep · 89 km away
29. 4.286 km WNW of Illapel, ChileWed, Sep 23, 2:30 PM GMT-3 · 4017 days ago · 21 km deep · 41 km away
30. 4.191 km W of Illapel, ChileWed, Sep 23, 7:39 PM GMT-3 · 4017 days ago · 9 km deep · 41 km away · felt by 1
31. 4.082 km W of Illapel, ChileWed, Sep 23, 7:48 PM GMT-3 · 4017 days ago · 16 km deep · 32 km away
32. 4.2105 km W of Illapel, ChileWed, Sep 23, 8:52 PM GMT-3 · 4017 days ago · 10 km deep · 55 km away
33. 4.375 km WSW of Ovalle, ChileThu, Sep 24, 12:49 AM GMT-3 · 4016 days ago · 25 km deep · 94 km away
34. 4.4100 km WSW of Illapel, ChileThu, Sep 24, 5:54 AM GMT-3 · 4016 days ago · 10 km deep · 51 km away
35. 4.496 km WSW of Illapel, ChileThu, Sep 24, 6:16 AM GMT-3 · 4016 days ago · 10 km deep · 47 km away
36. 4.3100 km WSW of Illapel, ChileThu, Sep 24, 9:15 AM GMT-3 · 4016 days ago · 10 km deep · 50 km away
37. 4.744 km W of Illapel, ChileThu, Sep 24, 10:35 AM GMT-3 · 4016 days ago · 35 km deep · 9 km away
38. 4.7Off the coast of Valparaiso, ChileThu, Sep 24, 11:39 AM GMT-3 · 4016 days ago · 10 km deep · 73 km away
39. 4.590 km W of Illapel, ChileThu, Sep 24, 2:21 PM GMT-3 · 4016 days ago · 7 km deep · 40 km away
40. 4.551 km SW of Ovalle, ChileThu, Sep 24, 3:20 PM GMT-3 · 4016 days ago · 39 km deep · 88 km away · felt by 1
41. 4.498 km W of La Ligua, ChileThu, Sep 24, 11:59 PM GMT-3 · 4015 days ago · 10 km deep · 87 km away · felt by 1
42. 4.2104 km NW of Valparaíso, ChileFri, Sep 25, 12:19 AM GMT-3 · 4015 days ago · 14 km deep · 92 km away
43. 4.295 km W of La Ligua, ChileFri, Sep 25, 2:22 AM GMT-3 · 4015 days ago · 6 km deep · 85 km away
44. 4.096 km W of Illapel, ChileFri, Sep 25, 6:13 AM GMT-3 · 4015 days ago · 10 km deep · 45 km away
45. 4.479 km WNW of Illapel, ChileFri, Sep 25, 6:25 AM GMT-3 · 4015 days ago · 21 km deep · 47 km away
46. 4.398 km W of Illapel, ChileFri, Sep 25, 6:56 AM GMT-3 · 4015 days ago · 10 km deep · 48 km away
47. 4.052 km W of Illapel, ChileFri, Sep 25, 8:33 AM GMT-3 · 4015 days ago · 25 km deep · 8 km away
48. 4.771 km W of Illapel, ChileFri, Sep 25, 8:47 AM GMT-3 · 4015 days ago · 12 km deep · 26 km away
49. 4.291 km WSW of Illapel, ChileSat, Sep 26, 3:16 AM GMT-3 · 4014 days ago · 13 km deep · 41 km away
50. 4.345 km WSW of Ovalle, ChileSat, Sep 26, 5:44 AM GMT-3 · 4014 days ago · 37 km deep · 96 km away
51. 4.339 km NW of Illapel, ChileSat, Sep 26, 6:37 AM GMT-3 · 4014 days ago · 45 km deep · 38 km away
52. 4.587 km WSW of Illapel, ChileSat, Sep 26, 8:15 AM GMT-3 · 4014 days ago · 24 km deep · 38 km away
53. 4.277 km WSW of Illapel, ChileSat, Sep 26, 10:06 AM GMT-3 · 4014 days ago · 33 km deep · 29 km away
54. 4.271 km W of Illapel, ChileSat, Sep 26, 3:49 PM GMT-3 · 4014 days ago · 20 km deep · 23 km away
55. 4.1108 km WNW of Illapel, ChileSat, Sep 26, 5:19 PM GMT-3 · 4014 days ago · 10 km deep · 65 km away
56. 3.976 km NW of Illapel, ChileSat, Sep 26, 6:18 PM GMT-3 · 4014 days ago · 29 km deep · 50 km away
57. 4.373 km W of Illapel, ChileSat, Sep 26, 7:39 PM GMT-3 · 4014 days ago · 26 km deep · 23 km away
58. 5.450 km W of Illapel, ChileSun, Sep 27, 6:04 PM GMT-3 · 4013 days ago · 37 km deep · 2 km away · felt by 6
59. 4.674 km NW of Illapel, ChileSun, Sep 27, 7:39 PM GMT-3 · 4013 days ago · 24 km deep · 53 km away
60. 4.444 km SSW of Ovalle, ChileSun, Sep 27, 7:53 PM GMT-3 · 4013 days ago · 39 km deep · 86 km away

The first 60 of 158.

Before

1. 4.899 km WSW of Illapel, ChileMon, Sep 21, 5:24 PM GMT-3 · 4019 days ago · 10 km deep · 49 km away
2. 4.2106 km WNW of La Ligua, ChileMon, Sep 21, 5:05 PM GMT-3 · 4019 days ago · 10 km deep · 79 km away
3. 5.647 km WSW of Illapel, ChileMon, Sep 21, 4:56 PM GMT-3 · 4019 days ago · 28 km deep · 12 km away · felt by 43
4. 4.265 km W of Illapel, ChileMon, Sep 21, 4:08 PM GMT-3 · 4019 days ago · 23 km deep · 17 km away
5. 4.494 km WSW of Ovalle, ChileMon, Sep 21, 3:57 PM GMT-3 · 4019 days ago · 24 km deep · 75 km away
6. 4.746 km WSW of Illapel, ChileMon, Sep 21, 3:47 PM GMT-3 · 4019 days ago · 38 km deep · 9 km away
7. 5.577 km SW of Ovalle, ChileMon, Sep 21, 3:36 PM GMT-3 · 4019 days ago · 27 km deep · 72 km away · felt by 11
8. 4.7Off the coast of Coquimbo, ChileMon, Sep 21, 3:17 PM GMT-3 · 4019 days ago · 9 km deep · 51 km away
9. 4.564 km SW of Ovalle, ChileMon, Sep 21, 3:08 PM GMT-3 · 4019 days ago · 33 km deep · 73 km away
10. 6.622 km WSW of Illapel, ChileMon, Sep 21, 2:40 PM GMT-3 · 4019 days ago · 35 km deep · 31 km away · felt by 283 · tsunami flag
11. 4.180 km W of Illapel, ChileMon, Sep 21, 2:01 PM GMT-3 · 4019 days ago · 10 km deep · 30 km away
12. 4.448 km WSW of Ovalle, ChileMon, Sep 21, 1:48 PM GMT-3 · 4019 days ago · 36 km deep · 98 km away
13. 4.597 km WSW of Ovalle, ChileMon, Sep 21, 12:44 PM GMT-3 · 4019 days ago · 19 km deep · 82 km away
14. 5.473 km SW of Ovalle, ChileMon, Sep 21, 12:37 PM GMT-3 · 4019 days ago · 26 km deep · 74 km away · felt by 29
15. 4.165 km W of Illapel, ChileMon, Sep 21, 10:05 AM GMT-3 · 4019 days ago · 19 km deep · 18 km away
16. 4.281 km WNW of Illapel, ChileMon, Sep 21, 3:52 AM GMT-3 · 4019 days ago · 16 km deep · 40 km away
17. 4.297 km WSW of Ovalle, ChileMon, Sep 21, 3:32 AM GMT-3 · 4019 days ago · 10 km deep · 88 km away
18. 4.792 km NW of Valparaíso, ChileMon, Sep 21, 2:50 AM GMT-3 · 4019 days ago · 10 km deep · 92 km away · felt by 1
19. 6.154 km W of Illapel, ChileMon, Sep 21, 2:39 AM GMT-3 · 4019 days ago · 30 km deep · 13 km away · felt by 128
20. 4.474 km WNW of La Ligua, ChileMon, Sep 21, 12:17 AM GMT-3 · 4019 days ago · 8 km deep · 71 km away

From the USGS Earthquake Hazards Program and its partner networks, event us20003mmu. Read Tue, Sep 22, 2026, 1:57 PM UTC.