M4.9 earthquake 81 km SSE of Atka, Alaska

Magnitude

4.9 (mb), light

Local time

Fri, May 9, 1986, 7:58 AM HADT

UTC

1986-05-09 16:58:31 UTC

Depth

33.0 km (20.5 mi), shallow

Epicenter

51.478° N, 173.954° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

OPERATOR_ASSIGNED

After

1. 5.981 km S of Atka, AlaskaFri, May 9, 10:04 AM HADT · 14753 days ago · 33 km deep · 20 km away
2. 5.883 km S of Atka, AlaskaFri, May 9, 10:24 AM HADT · 14753 days ago · 33 km deep · 9 km away
3. 4.4110 km ESE of Adak, AlaskaFri, May 9, 3:48 PM HADT · 14753 days ago · 33 km deep · 90 km away
4. 4.882 km S of Atka, AlaskaFri, May 9, 4:33 PM HADT · 14753 days ago · 33 km deep · 28 km away
5. 5.168 km WSW of Atka, AlaskaSat, May 10, 12:13 AM HADT · 14753 days ago · 33 km deep · 91 km away
6. 4.7116 km SSW of Atka, AlaskaSat, May 10, 2:13 AM HADT · 14753 days ago · 33 km deep · 60 km away
7. 4.570 km SE of Atka, AlaskaSat, May 10, 5:49 AM HADT · 14752 days ago · 33 km deep · 44 km away
8. 4.840 km SSE of Atka, AlaskaSat, May 10, 10:49 AM HADT · 14752 days ago · 33 km deep · 42 km away
9. 4.777 km SSW of Atka, AlaskaSat, May 10, 12:37 PM HADT · 14752 days ago · 33 km deep · 52 km away
10. 4.178 km SSW of Atka, AlaskaSat, May 10, 1:50 PM HADT · 14752 days ago · 33 km deep · 61 km away
11. 4.474 km SE of Atka, AlaskaSat, May 10, 2:56 PM HADT · 14752 days ago · 33 km deep · 40 km away
12. 4.6104 km SE of Adak, AlaskaSat, May 10, 5:49 PM HADT · 14752 days ago · 33 km deep · 100 km away
13. 4.481 km SW of Atka, AlaskaSat, May 10, 6:14 PM HADT · 14752 days ago · 33 km deep · 82 km away
14. 5.383 km SSE of Atka, AlaskaSun, May 11, 4:40 AM HADT · 14752 days ago · 33 km deep · 20 km away
15. 5.383 km SSE of Atka, AlaskaSun, May 11, 4:43 AM HADT · 14751 days ago · 33 km deep · 18 km away
16. 5.779 km SSE of Atka, AlaskaSun, May 11, 10:40 AM HADT · 14751 days ago · 33 km deep · 17 km away
17. 4.872 km S of Atka, AlaskaSun, May 11, 11:02 AM HADT · 14751 days ago · 33 km deep · 20 km away
18. 4.885 km SE of Atka, AlaskaSun, May 11, 11:10 AM HADT · 14751 days ago · 33 km deep · 36 km away
19. 5.781 km SSW of Atka, AlaskaSun, May 11, 1:48 PM HADT · 14751 days ago · 33 km deep · 50 km away
20. 4.589 km SE of Atka, AlaskaSun, May 11, 2:22 PM HADT · 14751 days ago · 33 km deep · 38 km away
21. 5.5Andreanof Islands, Aleutian Islands, AlaskaSun, May 11, 6:47 PM HADT · 14751 days ago · 33 km deep · 50 km away
22. 4.940 km WSW of Atka, AlaskaSun, May 11, 7:07 PM HADT · 14751 days ago · 33 km deep · 77 km away
23. 4.7106 km SSW of Atka, AlaskaMon, May 12, 8:06 AM HADT · 14750 days ago · 33 km deep · 61 km away
24. 5.0107 km SSW of Atka, AlaskaMon, May 12, 11:23 AM HADT · 14750 days ago · 33 km deep · 51 km away
25. 4.380 km SW of Atka, AlaskaMon, May 12, 6:33 PM HADT · 14750 days ago · 33 km deep · 85 km away
26. 4.785 km SSW of Atka, AlaskaMon, May 12, 8:56 PM HADT · 14750 days ago · 33 km deep · 53 km away
27. 4.886 km SSE of Atka, AlaskaTue, May 13, 5:14 AM HADT · 14749 days ago · 33 km deep · 32 km away
28. 4.889 km SE of Atka, AlaskaTue, May 13, 4:56 PM HADT · 14749 days ago · 33 km deep · 36 km away
29. 5.488 km SSE of Atka, AlaskaTue, May 13, 4:58 PM HADT · 14749 days ago · 33 km deep · 33 km away
30. 5.090 km SE of Atka, AlaskaTue, May 13, 6:54 PM HADT · 14749 days ago · 33 km deep · 39 km away
31. 4.8106 km SSE of Atka, AlaskaTue, May 13, 7:49 PM HADT · 14749 days ago · 33 km deep · 41 km away
32. 4.887 km SE of Atka, AlaskaTue, May 13, 10:59 PM HADT · 14749 days ago · 33 km deep · 33 km away
33. 4.770 km S of Atka, AlaskaWed, May 14, 5:58 AM HADT · 14748 days ago · 33 km deep · 23 km away
34. 5.198 km SSW of Atka, AlaskaWed, May 14, 9:42 PM HADT · 14748 days ago · 33 km deep · 54 km away
35. 4.726 km W of Atka, AlaskaWed, May 14, 10:01 PM HADT · 14748 days ago · 33 km deep · 90 km away
36. 4.436 km WSW of Atka, AlaskaWed, May 14, 10:06 PM HADT · 14748 days ago · 33 km deep · 80 km away
37. 4.338 km SSW of Atka, AlaskaWed, May 14, 10:08 PM HADT · 14748 days ago · 33 km deep · 53 km away
38. 4.833 km W of Atka, AlaskaWed, May 14, 10:11 PM HADT · 14748 days ago · 33 km deep · 95 km away
39. 4.042 km WSW of Atka, AlaskaWed, May 14, 11:12 PM HADT · 14748 days ago · 33 km deep · 85 km away
40. 4.219 km WSW of Atka, AlaskaWed, May 14, 11:13 PM HADT · 14748 days ago · 33 km deep · 83 km away
41. 4.122 km WNW of Atka, AlaskaWed, May 14, 11:18 PM HADT · 14748 days ago · 33 km deep · 94 km away
42. 5.622 km W of Atka, AlaskaThu, May 15, 12:34 AM HADT · 14748 days ago · 33 km deep · 91 km away
43. 3.822 km SW of Atka, AlaskaThu, May 15, 3:47 AM HADT · 14748 days ago · 33 km deep · 75 km away
44. 4.0122 km SSW of Atka, AlaskaThu, May 15, 7:09 AM HADT · 14747 days ago · 33 km deep · 85 km away
45. 4.098 km SW of Atka, AlaskaThu, May 15, 10:10 PM HADT · 14747 days ago · 33 km deep · 82 km away
46. 4.3114 km SE of Adak, AlaskaFri, May 16, 3:20 AM HADT · 14747 days ago · 33 km deep · 95 km away
47. 5.082 km WSW of Atka, AlaskaFri, May 16, 6:59 AM HADT · 14746 days ago · 33 km deep · 98 km away
48. 4.6101 km SW of Atka, AlaskaFri, May 16, 8:31 AM HADT · 14746 days ago · 33 km deep · 83 km away
49. 4.889 km SW of Atka, AlaskaFri, May 16, 1:12 PM HADT · 14746 days ago · 33 km deep · 88 km away
50. 4.922 km W of Atka, AlaskaSat, May 17, 7:31 AM HADT · 14745 days ago · 33 km deep · 92 km away
51. 4.4106 km SSW of Atka, AlaskaSat, May 17, 9:15 PM HADT · 14745 days ago · 33 km deep · 77 km away
52. 5.192 km SSW of Atka, AlaskaSun, May 18, 5:22 AM HADT · 14744 days ago · 33 km deep · 52 km away
53. 4.984 km SW of Atka, AlaskaSun, May 18, 6:26 AM HADT · 14744 days ago · 33 km deep · 94 km away
54. 4.774 km SSW of Atka, AlaskaSun, May 18, 10:14 AM HADT · 14744 days ago · 33 km deep · 56 km away
55. 4.021 km SW of Atka, AlaskaSun, May 18, 9:52 PM HADT · 14744 days ago · 33 km deep · 74 km away
56. 3.851 km W of Atka, AlaskaMon, May 19, 2:35 AM HADT · 14744 days ago · 33 km deep · 99 km away
57. 4.9110 km SSW of Atka, AlaskaMon, May 19, 11:52 AM HADT · 14743 days ago · 33 km deep · 60 km away
58. 4.0109 km SSW of Atka, AlaskaMon, May 19, 5:01 PM HADT · 14743 days ago · 33 km deep · 79 km away
59. 4.389 km SW of Atka, AlaskaTue, May 20, 1:12 AM HADT · 14743 days ago · 33 km deep · 78 km away
60. 4.9112 km ESE of Adak, AlaskaTue, May 20, 1:53 AM HADT · 14743 days ago · 33 km deep · 88 km away

The first 60 of 94.

Before

1. 4.236 km WSW of Atka, AlaskaFri, May 9, 4:34 AM HADT · 14754 days ago · 33 km deep · 88 km away
2. 4.726 km S of Atka, AlaskaFri, May 9, 4:31 AM HADT · 14754 days ago · 33 km deep · 55 km away
3. 3.976 km SW of Atka, AlaskaFri, May 9, 1:17 AM HADT · 14754 days ago · 33 km deep · 84 km away
4. 4.795 km SSE of Atka, AlaskaFri, May 9, 12:13 AM HADT · 14754 days ago · 33 km deep · 31 km away
5. 4.369 km SE of Atka, AlaskaThu, May 8, 10:31 PM HADT · 14754 days ago · 33 km deep · 37 km away
6. 5.0Andreanof Islands, Aleutian Islands, AlaskaThu, May 8, 9:04 PM HADT · 14754 days ago · 33 km deep · 27 km away
7. 4.588 km SSE of Atka, AlaskaThu, May 8, 4:32 PM HADT · 14754 days ago · 33 km deep · 9 km away
8. 5.141 km SSE of Atka, AlaskaThu, May 8, 2:29 PM HADT · 14754 days ago · 33 km deep · 40 km away
9. 5.176 km SSE of Atka, AlaskaThu, May 8, 2:11 PM HADT · 14754 days ago · 33 km deep · 6 km away
10. 4.855 km SSW of Atka, AlaskaThu, May 8, 1:50 PM HADT · 14754 days ago · 33 km deep · 52 km away
11. 4.492 km SW of Atka, AlaskaThu, May 8, 1:45 PM HADT · 14754 days ago · 33 km deep · 93 km away
12. 4.896 km SSW of Atka, AlaskaThu, May 8, 1:01 PM HADT · 14754 days ago · 33 km deep · 70 km away
13. 4.7101 km SW of Atka, AlaskaThu, May 8, 10:19 AM HADT · 14754 days ago · 33 km deep · 85 km away
14. 4.898 km SW of Atka, AlaskaThu, May 8, 9:43 AM HADT · 14754 days ago · 33 km deep · 84 km away
15. 5.481 km SSE of Atka, AlaskaThu, May 8, 7:36 AM HADT · 14754 days ago · 33 km deep · 6 km away
16. 4.2107 km SSW of Atka, AlaskaThu, May 8, 5:01 AM HADT · 14754 days ago · 33 km deep · 65 km away
17. 4.658 km S of Atka, AlaskaThu, May 8, 4:39 AM HADT · 14755 days ago · 33 km deep · 28 km away
18. 4.7112 km SE of Adak, AlaskaThu, May 8, 4:29 AM HADT · 14755 days ago · 33 km deep · 95 km away
19. 4.5101 km SW of Atka, AlaskaThu, May 8, 4:07 AM HADT · 14755 days ago · 33 km deep · 77 km away
20. 5.191 km SW of Atka, AlaskaThu, May 8, 3:34 AM HADT · 14755 days ago · 33 km deep · 95 km away

From the USGS Earthquake Hazards Program and its partner networks, event usp0002ttv. Read Wed, Sep 30, 2026, 1:12 AM UTC.