M2.4 earthquake 56 km SW of Atka, Alaska

Magnitude

2.4 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Oct 20, 2019, 6:42 PM HADT

UTC

2019-10-21 03:42:07 UTC

Depth

48.1 km (29.9 mi), shallow

Epicenter

51.779° N, 174.674° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

29

After

1. 1.966 km ESE of Adak, AlaskaMon, Oct 21, 2:12 AM HADT · 2537 days ago · 27 km deep · 78 km away
2. 2.260 km ESE of Atka, AlaskaMon, Oct 21, 10:17 AM HADT · 2537 days ago · 74 km deep · 95 km away
3. 2.751 km NNW of Atka, AlaskaWed, Oct 23, 7:25 AM HADT · 2535 days ago · 165 km deep · 92 km away
4. 3.466 km SE of Atka, AlaskaFri, Oct 25, 1:20 PM HADT · 2533 days ago · 47 km deep · 71 km away
5. 2.1117 km SSW of Atka, AlaskaTue, Oct 29, 2:04 AM HADT · 2529 days ago · 6 km deep · 61 km away
6. 2.069 km S of Atka, AlaskaTue, Oct 29, 2:07 AM HADT · 2529 days ago · 27 km deep · 48 km away
7. 2.5125 km SSW of Atka, AlaskaTue, Oct 29, 3:31 AM HADT · 2529 days ago · 10 km deep · 69 km away
8. 2.3116 km SSW of Atka, AlaskaTue, Oct 29, 7:08 AM HADT · 2529 days ago · 10 km deep · 60 km away
9. 2.4119 km SSW of Atka, AlaskaTue, Oct 29, 8:12 AM HADT · 2529 days ago · 11 km deep · 63 km away
10. 1.8Andreanof Islands, Aleutian Islands, AlaskaTue, Oct 29, 9:49 AM HADT · 2529 days ago · 26 km deep · 49 km away
11. 1.738 km WSW of Atka, AlaskaTue, Oct 29, 12:14 PM HADT · 2529 days ago · 69 km deep · 29 km away
12. 2.637 km NNW of Atka, AlaskaTue, Oct 29, 8:00 PM HADT · 2529 days ago · 167 km deep · 86 km away
13. 4.093 km ESE of Adak, AlaskaThu, Oct 31, 3:01 AM HADT · 2527 days ago · 28 km deep · 60 km away
14. 2.070 km SSW of Atka, AlaskaThu, Oct 31, 11:47 PM HADT · 2526 days ago · 26 km deep · 28 km away
15. 2.071 km E of Adak, AlaskaSat, Nov 2, 2:22 AM HADT · 2525 days ago · 86 km deep · 66 km away
16. 2.074 km SW of Atka, AlaskaSat, Nov 2, 6:25 AM HADT · 2525 days ago · 54 km deep · 30 km away
17. 2.228 km N of Atka, AKSat, Nov 2, 5:19 PM HADT · 2525 days ago · 127 km deep · 82 km away
18. 2.050 km NNW of Atka, AlaskaSun, Nov 3, 11:18 AM HAST · 2524 days ago · 137 km deep · 94 km away
19. 3.929 km E of Atka, AlaskaMon, Nov 4, 4:41 AM HAST · 2523 days ago · 9 km deep · 78 km away
20. 1.968 km SW of Atka, AlaskaTue, Nov 5, 2:19 AM HAST · 2522 days ago · 20 km deep · 16 km away
21. 1.628 km NE of Atka, AlaskaTue, Nov 5, 9:44 AM HAST · 2522 days ago · 12 km deep · 85 km away
22. 2.384 km SW of Atka, AlaskaWed, Nov 6, 8:39 PM HAST · 2520 days ago · 29 km deep · 29 km away
23. 1.617 km ESE of Atka, AlaskaFri, Nov 8, 5:10 AM HAST · 2519 days ago · 3 km deep · 65 km away
24. 1.6Andreanof Islands, Aleutian Islands, AlaskaSat, Nov 9, 9:56 PM HAST · 2517 days ago · 52 km deep · 21 km away
25. 1.753 km SSW of Atka, AlaskaSun, Nov 10, 2:44 AM HAST · 2517 days ago · 34 km deep · 17 km away
26. 3.995 km ESE of Adak, AlaskaSun, Nov 10, 2:52 PM HAST · 2517 days ago · 51 km deep · 45 km away
27. 2.170 km SSE of Atka, AlaskaSun, Nov 10, 4:50 PM HAST · 2517 days ago · 28 km deep · 63 km away
28. 1.846 km E of Adak, AlaskaSun, Nov 10, 7:34 PM HAST · 2516 days ago · 66 km deep · 89 km away
29. 1.864 km SSE of Atka, AlaskaMon, Nov 11, 2:07 AM HAST · 2516 days ago · 19 km deep · 69 km away
30. 2.074 km SW of Atka, AlaskaMon, Nov 11, 1:20 PM HAST · 2516 days ago · 39 km deep · 22 km away
31. 1.919 km SSW of Atka, AlaskaWed, Nov 13, 8:06 AM HAST · 2514 days ago · 11 km deep · 37 km away
32. 1.833 km ENE of Atka, AlaskaThu, Nov 14, 4:51 PM HAST · 2513 days ago · 20 km deep · 87 km away
33. 2.266 km ESE of Adak, AlaskaFri, Nov 15, 5:38 AM HAST · 2512 days ago · 25 km deep · 83 km away
34. 1.855 km SW of Atka, AlaskaFri, Nov 15, 9:24 PM HAST · 2511 days ago · 36 km deep · 1 km away
35. 1.972 km SSW of Atka, AlaskaFri, Nov 15, 9:25 PM HAST · 2511 days ago · 19 km deep · 23 km away
36. 4.081 km S of Atka, AlaskaSat, Nov 16, 2:04 AM HAST · 2511 days ago · 35 km deep · 56 km away
37. 2.465 km ESE of Adak, AlaskaSat, Nov 16, 2:07 AM HAST · 2511 days ago · 48 km deep · 82 km away
38. 2.067 km SE of Atka, AlaskaSat, Nov 16, 6:13 AM HAST · 2511 days ago · 32 km deep · 77 km away
39. 3.681 km SW of Atka, AlaskaSat, Nov 16, 11:14 AM HAST · 2511 days ago · 34 km deep · 25 km away
40. 1.777 km SW of Atka, AlaskaSat, Nov 16, 11:18 AM HAST · 2511 days ago · 26 km deep · 22 km away
41. 1.66 km SSW of Atka, AlaskaSat, Nov 16, 10:53 PM HAST · 2510 days ago · 10 km deep · 51 km away
42. 1.977 km S of Atka, AlaskaSun, Nov 17, 8:11 AM HAST · 2510 days ago · 4 km deep · 39 km away
43. 2.469 km SE of Adak, AlaskaSun, Nov 17, 9:27 PM HAST · 2509 days ago · 26 km deep · 89 km away
44. 3.716 km NE of Atka, AlaskaSun, Nov 17, 10:57 PM HAST · 2509 days ago · 195 km deep · 73 km away
45. 2.363 km ENE of Adak, AlaskaMon, Nov 18, 1:44 PM HAST · 2509 days ago · 173 km deep · 76 km away
46. 1.784 km SE of Adak, AlaskaMon, Nov 18, 4:26 PM HAST · 2509 days ago · 19 km deep · 82 km away
47. 1.862 km WSW of Atka, AlaskaTue, Nov 19, 5:57 AM HAST · 2508 days ago · 57 km deep · 25 km away
48. 4.366 km SE of Adak, AlaskaTue, Nov 19, 5:42 PM HAST · 2508 days ago · 35 km deep · 93 km away
49. 4.381 km SSE of Atka, AlaskaTue, Nov 19, 7:02 PM HAST · 2508 days ago · 39 km deep · 80 km away
50. 2.943 km N of Atka, AlaskaFri, Nov 22, 1:40 PM HAST · 2505 days ago · 174 km deep · 93 km away
51. 1.943 km WSW of Atka, AlaskaFri, Nov 22, 2:07 PM HAST · 2505 days ago · 13 km deep · 27 km away
52. 2.969 km SSE of Atka, AlaskaFri, Nov 22, 10:38 PM HAST · 2504 days ago · 29 km deep · 57 km away
53. 6.395 km SE of Adak, AlaskaSat, Nov 23, 2:54 PM HAST · 2504 days ago · 20 km deep · 73 km away · felt by 5 · tsunami flag
54. 4.598 km SE of Adak, AlaskaSat, Nov 23, 2:55 PM HAST · 2504 days ago · 26 km deep · 75 km away
55. 4.0Andreanof Islands, Aleutian Islands, AlaskaSat, Nov 23, 2:56 PM HAST · 2504 days ago · 10 km deep · 80 km away
56. 3.399 km SE of Adak, AlaskaSat, Nov 23, 2:58 PM HAST · 2504 days ago · 28 km deep · 77 km away
57. 3.099 km SE of Adak, AlaskaSat, Nov 23, 3:00 PM HAST · 2504 days ago · 10 km deep · 78 km away
58. 3.598 km SE of Adak, AlaskaSat, Nov 23, 3:00 PM HAST · 2504 days ago · 10 km deep · 89 km away
59. 3.0102 km SE of Adak, AlaskaSat, Nov 23, 3:03 PM HAST · 2504 days ago · 10 km deep · 74 km away
60. 4.2105 km SE of Adak, AlaskaSat, Nov 23, 3:03 PM HAST · 2504 days ago · 10 km deep · 77 km away

The first 60 of at least 199.

Before

1. 1.770 km ESE of Adak, AlaskaSun, Oct 20, 2:44 PM HADT · 2538 days ago · 40 km deep · 79 km away
2. 1.760 km SE of Adak, AlaskaSun, Oct 20, 11:48 AM HADT · 2538 days ago · 34 km deep · 93 km away
3. 2.270 km SE of Atka, AlaskaSat, Oct 19, 9:24 PM HADT · 2538 days ago · 46 km deep · 88 km away
4. 1.778 km SE of Adak, AlaskaSat, Oct 19, 8:27 PM HADT · 2539 days ago · 26 km deep · 86 km away
5. 2.386 km SW of Atka, AlaskaWed, Oct 16, 10:21 PM HADT · 2541 days ago · 26 km deep · 32 km away
6. 1.759 km WSW of Atka, AlaskaSun, Oct 13, 4:31 AM HADT · 2545 days ago · 72 km deep · 42 km away
7. 2.435 km SSW of Atka, AlaskaSun, Oct 13, 1:13 AM HADT · 2545 days ago · 194 km deep · 23 km away
8. 1.628 km SW of Atka, AlaskaSat, Oct 12, 9:11 PM HADT · 2545 days ago · 63 km deep · 29 km away
9. 2.239 km E of Adak, AlaskaSat, Oct 12, 8:50 PM HADT · 2545 days ago · 159 km deep · 97 km away
10. 1.843 km WSW of Atka, AlaskaSat, Oct 12, 6:31 PM HADT · 2546 days ago · 13 km deep · 38 km away
11. 1.974 km SSE of Atka, AlaskaSat, Oct 12, 5:29 PM HADT · 2546 days ago · 18 km deep · 62 km away
12. 2.547 km SSE of Atka, AlaskaWed, Oct 9, 10:02 AM HADT · 2549 days ago · 35 km deep · 46 km away
13. 2.473 km SE of Adak, AlaskaTue, Oct 8, 7:43 PM HADT · 2550 days ago · 28 km deep · 87 km away
14. 1.554 km W of Atka, AlaskaTue, Oct 8, 5:24 AM HADT · 2550 days ago · 13 km deep · 50 km away
15. 1.816 km SW of Atka, AlaskaTue, Oct 8, 4:04 AM HADT · 2550 days ago · 17 km deep · 41 km away
16. 1.784 km SW of Atka, AlaskaTue, Oct 8, 3:58 AM HADT · 2550 days ago · 52 km deep · 28 km away
17. 1.844 km ESE of Adak, AlaskaMon, Oct 7, 4:55 PM HADT · 2551 days ago · 54 km deep · 95 km away
18. 2.165 km SE of Adak, AlaskaMon, Oct 7, 12:38 PM HADT · 2551 days ago · 23 km deep · 98 km away
19. 1.535 km ESE of Adak, AlaskaSun, Oct 6, 8:40 AM HADT · 2552 days ago · 72 km deep · 100 km away
20. 2.571 km SE of Adak, AlaskaSat, Oct 5, 11:22 AM HADT · 2553 days ago · 35 km deep · 86 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak019dia1cpr. Read Thu, Oct 1, 2026, 5:02 PM UTC.