M1.9 earthquake 103 km S of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Wed, Nov 21, 2018, 3:51 AM HAST

UTC

2018-11-21 13:51:47 UTC

Depth

22.1 km (13.7 mi), shallow

Epicenter

50.950° N, 176.804° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

14

After

1. 2.5119 km SW of Adak, AlaskaThu, Nov 22, 8:56 PM HAST · 2869 days ago · 35 km deep · 94 km away
2. 2.587 km WSW of Adak, AlaskaFri, Nov 23, 8:16 PM HAST · 2868 days ago · 80 km deep · 95 km away
3. 2.144 km SE of Adak, AlaskaSun, Nov 25, 1:56 PM HAST · 2867 days ago · 28 km deep · 83 km away
4. 1.846 km S of Adak, AlaskaSun, Nov 25, 2:11 PM HAST · 2867 days ago · 9 km deep · 57 km away
5. 2.764 km ESE of Adak, AlaskaMon, Nov 26, 8:13 AM HAST · 2866 days ago · 35 km deep · 98 km away
6. 4.7128 km SW of Adak, AlaskaThu, Nov 29, 1:24 AM HAST · 2863 days ago · 35 km deep · 97 km away
7. 1.9127 km SW of Adak, AlaskaThu, Nov 29, 1:31 AM HAST · 2863 days ago · 34 km deep · 96 km away
8. 2.6125 km SW of Adak, AlaskaThu, Nov 29, 6:32 PM HAST · 2863 days ago · 34 km deep · 92 km away
9. 2.346 km SW of Adak, AlaskaFri, Nov 30, 4:53 AM HAST · 2862 days ago · 44 km deep · 72 km away
10. 4.2135 km SW of Adak, AlaskaFri, Nov 30, 9:14 AM HAST · 2862 days ago · 34 km deep · 94 km away
11. 1.680 km WSW of Adak, AlaskaFri, Nov 30, 2:33 PM HAST · 2862 days ago · 30 km deep · 97 km away
12. 1.957 km SE of Adak, AlaskaSat, Dec 1, 6:00 PM HAST · 2861 days ago · 8 km deep · 77 km away
13. 2.4109 km SW of Adak, AlaskaSat, Dec 1, 6:41 PM HAST · 2861 days ago · 29 km deep · 79 km away
14. 1.781 km WSW of Adak, AlaskaSun, Dec 2, 8:57 AM HAST · 2860 days ago · 28 km deep · 91 km away
15. 4.3117 km WSW of Adak, AlaskaSun, Dec 2, 9:06 AM HAST · 2860 days ago · 48 km deep · 98 km away
16. 2.255 km SSE of Adak, AlaskaTue, Dec 4, 3:07 AM HAST · 2858 days ago · 23 km deep · 63 km away
17. 1.756 km WSW of Adak, AlaskaTue, Dec 4, 4:49 AM HAST · 2858 days ago · 61 km deep · 91 km away
18. 2.316 km S of Adak, AlaskaTue, Dec 4, 2:28 PM HAST · 2858 days ago · 63 km deep · 87 km away
19. 2.057 km SW of Adak, AlaskaTue, Dec 4, 3:12 PM HAST · 2858 days ago · 48 km deep · 62 km away
20. 2.643 km SSW of Adak, AlaskaWed, Dec 5, 2:00 AM HAST · 2857 days ago · 57 km deep · 63 km away
21. 2.686 km SE of Adak, AlaskaThu, Dec 6, 12:42 AM HAST · 2856 days ago · 26 km deep · 88 km away
22. 2.720 km S of Adak, AlaskaFri, Dec 7, 1:20 AM HAST · 2855 days ago · 67 km deep · 84 km away
23. 2.3116 km SW of Adak, AlaskaFri, Dec 7, 1:25 AM HAST · 2855 days ago · 37 km deep · 89 km away
24. 1.779 km WSW of Adak, AlaskaFri, Dec 7, 3:08 AM HAST · 2855 days ago · 27 km deep · 96 km away
25. 2.224 km ESE of Adak, AlaskaFri, Dec 7, 8:14 PM HAST · 2855 days ago · 62 km deep · 96 km away
26. 1.958 km SSW of Adak, AlaskaFri, Dec 7, 10:18 PM HAST · 2854 days ago · 44 km deep · 52 km away
27. 2.2100 km WSW of Adak, AlaskaSat, Dec 8, 4:06 AM HAST · 2854 days ago · 38 km deep · 93 km away
28. 1.653 km S of Adak, AlaskaMon, Dec 10, 9:35 PM HAST · 2851 days ago · 23 km deep · 52 km away
29. 2.330 km SSE of Adak, AlaskaTue, Dec 11, 2:29 AM HAST · 2851 days ago · 46 km deep · 82 km away
30. 1.760 km SSW of Adak, AlaskaTue, Dec 11, 9:17 PM HAST · 2850 days ago · 31 km deep · 50 km away
31. 2.8119 km SW of Adak, AlaskaWed, Dec 12, 3:22 AM HAST · 2850 days ago · 18 km deep · 85 km away
32. 1.834 km S of Adak, AlaskaWed, Dec 12, 10:41 PM HAST · 2849 days ago · 41 km deep · 69 km away
33. 1.998 km WSW of Adak, AlaskaThu, Dec 13, 1:19 AM HAST · 2849 days ago · 60 km deep · 91 km away
34. 2.2107 km SW of Adak, AlaskaThu, Dec 13, 8:10 AM HAST · 2849 days ago · 36 km deep · 84 km away
35. 2.85 km SSE of Adak, AlaskaThu, Dec 13, 9:29 PM HAST · 2848 days ago · 92 km deep · 99 km away
36. 1.736 km SSE of Adak, AlaskaFri, Dec 14, 11:11 PM HAST · 2847 days ago · 46 km deep · 72 km away
37. 1.9106 km WSW of Adak, AlaskaSat, Dec 15, 4:07 AM HAST · 2847 days ago · 61 km deep · 99 km away
38. 1.632 km SSW of Adak, AlaskaSat, Dec 15, 8:31 AM HAST · 2847 days ago · 38 km deep · 73 km away
39. 1.690 km WSW of Adak, AlaskaSat, Dec 15, 8:42 AM HAST · 2847 days ago · 42 km deep · 94 km away
40. 1.688 km WSW of Adak, AlaskaMon, Dec 17, 6:16 PM HAST · 2845 days ago · 30 km deep · 88 km away
41. 2.0110 km WSW of Adak, AlaskaMon, Dec 17, 10:51 PM HAST · 2844 days ago · 53 km deep · 100 km away
42. 1.899 km S of Adak, AlaskaMon, Dec 17, 11:22 PM HAST · 2844 days ago · 16 km deep · 4 km away
43. 1.797 km S of Adak, AlaskaMon, Dec 17, 11:37 PM HAST · 2844 days ago · 16 km deep · 7 km away
44. 3.244 km SSE of Adak, AlaskaTue, Dec 18, 2:36 PM HAST · 2844 days ago · 28 km deep · 70 km away
45. 1.561 km SW of Adak, AlaskaTue, Dec 18, 9:00 PM HAST · 2843 days ago · 16 km deep · 78 km away
46. 2.156 km SSE of Adak, AlaskaThu, Dec 20, 3:09 PM HAST · 2842 days ago · 23 km deep · 64 km away
47. 1.937 km SSW of Adak, AlaskaThu, Dec 20, 7:28 PM HAST · 2842 days ago · 21 km deep · 72 km away
48. 1.837 km SSW of Adak, AlaskaFri, Dec 21, 1:24 AM HAST · 2841 days ago · 45 km deep · 71 km away
49. 1.9Andreanof Islands, Aleutian Islands, AlaskaFri, Dec 21, 2:02 AM HAST · 2841 days ago · 34 km deep · 76 km away
50. 1.761 km WSW of Adak, AlaskaSat, Dec 22, 5:38 AM HAST · 2840 days ago · 65 km deep · 92 km away
51. 1.757 km SW of Adak, AlaskaSat, Dec 22, 7:16 PM HAST · 2840 days ago · 22 km deep · 67 km away
52. 2.063 km SE of Adak, AlaskaSun, Dec 23, 6:49 AM HAST · 2839 days ago · 30 km deep · 71 km away
53. 3.985 km SSW of Adak, AlaskaTue, Dec 25, 10:07 AM HAST · 2837 days ago · 10 km deep · 21 km away
54. 2.1100 km WSW of Adak, AlaskaTue, Dec 25, 1:23 PM HAST · 2837 days ago · 25 km deep · 91 km away
55. 2.660 km SE of Adak, AlaskaWed, Dec 26, 12:20 PM HAST · 2836 days ago · 48 km deep · 75 km away
56. 2.0127 km SW of Adak, AlaskaThu, Dec 27, 2:14 PM HAST · 2835 days ago · 33 km deep · 98 km away
57. 1.665 km WSW of Adak, AlaskaThu, Dec 27, 10:19 PM HAST · 2834 days ago · 23 km deep · 85 km away
58. 2.6182 km S of Adak, AlaskaFri, Dec 28, 2:05 AM HAST · 2834 days ago · 33 km deep · 79 km away
59. 2.556 km SE of Adak, AlaskaFri, Dec 28, 2:57 PM HAST · 2834 days ago · 31 km deep · 75 km away
60. 2.2Andreanof Islands, Aleutian Islands, AlaskaFri, Dec 28, 11:47 PM HAST · 2833 days ago · 25 km deep · 77 km away

The first 60 of 128.

Before

1. 2.9105 km S of Adak, AlaskaWed, Nov 21, 1:04 AM HAST · 2871 days ago · 26 km deep · 2 km away
2. 2.151 km SW of Adak, AlaskaTue, Nov 20, 10:08 PM HAST · 2871 days ago · 61 km deep · 79 km away
3. 1.557 km SE of Adak, AlaskaTue, Nov 20, 4:48 PM HAST · 2872 days ago · 22 km deep · 73 km away
4. 2.5173 km SSE of Adak, AlaskaTue, Nov 20, 6:33 AM HAST · 2872 days ago · 10 km deep · 100 km away
5. 2.1Andreanof Islands, Aleutian Islands, AlaskaTue, Nov 20, 6:24 AM HAST · 2872 days ago · 18 km deep · 89 km away
6. 1.549 km SW of Adak, AlaskaMon, Nov 19, 10:13 PM HAST · 2872 days ago · 38 km deep · 70 km away
7. 1.684 km WSW of Adak, AlaskaMon, Nov 19, 8:12 PM HAST · 2873 days ago · 13 km deep · 87 km away
8. 1.822 km SW of Adak, AlaskaMon, Nov 19, 5:33 AM HAST · 2873 days ago · 42 km deep · 85 km away
9. 1.635 km WSW of Adak, AlaskaSun, Nov 18, 5:02 PM HAST · 2874 days ago · 55 km deep · 93 km away
10. 1.981 km SW of Adak, AlaskaSat, Nov 17, 6:01 AM HAST · 2875 days ago · 20 km deep · 76 km away
11. 2.350 km S of Adak, AlaskaSat, Nov 17, 2:51 AM HAST · 2875 days ago · 26 km deep · 53 km away
12. 1.768 km WSW of Adak, AlaskaSat, Nov 17, 12:36 AM HAST · 2875 days ago · 42 km deep · 85 km away
13. 2.061 km SE of Adak, AlaskaFri, Nov 16, 2:13 PM HAST · 2876 days ago · 16 km deep · 70 km away
14. 2.162 km WSW of Adak, AlaskaFri, Nov 16, 2:12 AM HAST · 2876 days ago · 46 km deep · 80 km away
15. 2.252 km SW of Adak, AlaskaThu, Nov 15, 9:55 PM HAST · 2876 days ago · 26 km deep · 68 km away
16. 3.849 km S of Adak, AlaskaThu, Nov 15, 10:56 AM HAST · 2877 days ago · 35 km deep · 54 km away
17. 2.368 km S of Adak, AlaskaThu, Nov 15, 6:48 AM HAST · 2877 days ago · 6 km deep · 37 km away
18. 1.579 km WSW of Adak, AlaskaThu, Nov 15, 3:42 AM HAST · 2877 days ago · 14 km deep · 89 km away
19. 2.160 km S of Adak, AlaskaWed, Nov 14, 8:00 PM HAST · 2878 days ago · 31 km deep · 43 km away
20. 2.241 km SE of Adak, AlaskaWed, Nov 14, 5:12 PM HAST · 2878 days ago · 98 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak018exppgig (also filed as ak20434877). Read Thu, Oct 1, 2026, 5:46 PM UTC.