M1.8 earthquake 78 km E of Adak, Alaska

Magnitude

1.8 (ml), micro

Local time

Fri, Nov 26, 2021, 9:28 PM HAST

UTC

2021-11-27 07:28:33 UTC

Depth

30.3 km (18.8 mi), shallow

Epicenter

51.791° N, 175.505° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

22

After

1. 3.246 km SSE of Adak, AlaskaSat, Nov 27, 2:11 AM HAST · 1765 days ago · 35 km deep · 66 km away
2. 3.365 km NE of Adak, AlaskaSat, Nov 27, 1:51 PM HAST · 1765 days ago · 191 km deep · 62 km away
3. 2.021 km WSW of Adak, AlaskaSat, Nov 27, 4:46 PM HAST · 1765 days ago · 82 km deep · 96 km away
4. 2.536 km E of Adak, AlaskaSat, Nov 27, 5:40 PM HAST · 1765 days ago · 130 km deep · 45 km away
5. 3.454 km SE of Adak, AlaskaSat, Nov 27, 6:47 PM HAST · 1765 days ago · 36 km deep · 52 km away
6. 3.346 km S of Atka, AlaskaSat, Nov 27, 7:39 PM HAST · 1765 days ago · 56 km deep · 94 km away
7. 2.646 km SW of Atka, AlaskaSat, Nov 27, 10:16 PM HAST · 1765 days ago · 14 km deep · 55 km away
8. 3.568 km S of Atka, AlaskaMon, Nov 29, 2:13 AM HAST · 1763 days ago · 91 km deep · 98 km away
9. 2.223 km SE of Adak, AlaskaMon, Nov 29, 2:54 AM HAST · 1763 days ago · 114 km deep · 63 km away
10. 3.445 km S of Adak, AlaskaMon, Nov 29, 3:06 AM HAST · 1763 days ago · 35 km deep · 87 km away
11. 2.574 km SSE of Adak, AlaskaMon, Nov 29, 5:54 PM HAST · 1763 days ago · 26 km deep · 88 km away
12. 1.951 km ENE of Adak, AlaskaMon, Nov 29, 9:24 PM HAST · 1763 days ago · 89 km deep · 34 km away
13. 1.7Andreanof Islands, Aleutian Islands, AlaskaTue, Nov 30, 5:25 AM HAST · 1762 days ago · 35 km deep · 99 km away
14. 1.797 km ESE of Adak, AlaskaTue, Nov 30, 10:01 PM HAST · 1762 days ago · 13 km deep · 32 km away
15. 2.980 km ESE of Adak, AlaskaWed, Dec 1, 1:55 AM HAST · 1761 days ago · 34 km deep · 18 km away
16. 3.515 km NW of Atka, AlaskaWed, Dec 1, 8:48 AM HAST · 1761 days ago · 178 km deep · 98 km away
17. 3.0Andreanof Islands, Aleutian Islands, AlaskaWed, Dec 1, 5:49 PM HAST · 1761 days ago · 35 km deep · 36 km away
18. 2.131 km SE of Adak, AlaskaWed, Dec 1, 9:49 PM HAST · 1761 days ago · 81 km deep · 63 km away
19. 2.260 km SSE of Adak, AlaskaThu, Dec 2, 1:31 AM HAST · 1760 days ago · 26 km deep · 82 km away
20. 3.9112 km SSW of Atka, AlaskaThu, Dec 2, 9:00 AM HAST · 1760 days ago · 26 km deep · 80 km away
21. 2.9Andreanof Islands, Aleutian Islands, AlaskaThu, Dec 2, 11:16 AM HAST · 1760 days ago · 153 km deep · 55 km away
22. 4.3107 km SSW of Atka, AlaskaThu, Dec 2, 11:42 AM HAST · 1760 days ago · 32 km deep · 73 km away
23. 2.6119 km SSW of Atka, AlaskaThu, Dec 2, 11:49 AM HAST · 1760 days ago · 24 km deep · 85 km away
24. 2.1113 km SSW of Atka, AlaskaThu, Dec 2, 11:54 AM HAST · 1760 days ago · 24 km deep · 77 km away
25. 3.6107 km SSW of Atka, AlaskaThu, Dec 2, 11:55 AM HAST · 1760 days ago · 12 km deep · 72 km away
26. 3.0111 km SSW of Atka, AlaskaThu, Dec 2, 1:03 PM HAST · 1760 days ago · 11 km deep · 77 km away
27. 2.840 km SSE of Adak, AlaskaFri, Dec 3, 1:09 AM HAST · 1759 days ago · 52 km deep · 67 km away
28. 3.352 km SSE of Adak, AlaskaSat, Dec 4, 4:49 AM HAST · 1758 days ago · 35 km deep · 76 km away
29. 1.856 km S of Adak, AlaskaSun, Dec 5, 9:05 AM HAST · 1757 days ago · 45 km deep · 81 km away
30. 2.063 km ESE of Adak, AlaskaSun, Dec 5, 3:04 PM HAST · 1757 days ago · 43 km deep · 25 km away
31. 1.956 km SSE of Adak, AlaskaWed, Dec 8, 2:09 AM HAST · 1754 days ago · 16 km deep · 60 km away
32. 2.772 km SE of Adak, AlaskaThu, Dec 9, 12:13 AM HAST · 1753 days ago · 35 km deep · 52 km away
33. 3.274 km ENE of Adak, AlaskaFri, Dec 10, 10:25 PM HAST · 1752 days ago · 185 km deep · 36 km away
34. 1.640 km SE of Adak, AlaskaFri, Dec 10, 11:15 PM HAST · 1752 days ago · 31 km deep · 59 km away
35. 1.6Andreanof Islands, Aleutian Islands, AlaskaSat, Dec 11, 1:20 AM HAST · 1751 days ago · 19 km deep · 58 km away
36. 2.792 km SE of Adak, AlaskaSat, Dec 11, 6:46 AM HAST · 1751 days ago · 35 km deep · 43 km away
37. 1.634 km SW of Adak, AlaskaSat, Dec 11, 7:17 AM HAST · 1751 days ago · 69 km deep · 99 km away
38. 2.096 km SW of Atka, AlaskaSat, Dec 11, 10:35 AM HAST · 1751 days ago · 25 km deep · 28 km away
39. 1.742 km SW of Atka, AlaskaSat, Dec 11, 4:30 PM HAST · 1751 days ago · 54 km deep · 62 km away
40. 2.570 km ESE of Adak, AlaskaSun, Dec 12, 11:24 AM HAST · 1750 days ago · 35 km deep · 34 km away
41. 2.339 km E of Adak, AlaskaSun, Dec 12, 5:23 PM HAST · 1750 days ago · 127 km deep · 39 km away
42. 1.839 km SSE of Adak, AlaskaMon, Dec 13, 11:01 AM HAST · 1749 days ago · 48 km deep · 69 km away
43. 3.123 km S of Atka, AlaskaMon, Dec 13, 12:19 PM HAST · 1749 days ago · 178 km deep · 97 km away
44. 2.144 km SSE of Adak, AlaskaMon, Dec 13, 5:30 PM HAST · 1749 days ago · 33 km deep · 67 km away
45. 1.865 km SSE of Adak, AlaskaMon, Dec 13, 8:49 PM HAST · 1749 days ago · 26 km deep · 64 km away
46. 2.959 km SSW of Atka, AlaskaWed, Dec 15, 1:37 AM HAST · 1747 days ago · 35 km deep · 58 km away
47. 1.764 km SSE of Adak, AlaskaThu, Dec 16, 3:46 AM HAST · 1746 days ago · 23 km deep · 69 km away
48. 1.855 km SSE of Adak, AlaskaThu, Dec 16, 4:40 AM HAST · 1746 days ago · 26 km deep · 75 km away
49. 4.029 km SSW of Adak, AlaskaThu, Dec 16, 9:48 AM HAST · 1746 days ago · 71 km deep · 93 km away
50. 2.943 km S of Adak, AlaskaFri, Dec 17, 3:52 PM HAST · 1745 days ago · 35 km deep · 86 km away
51. 1.875 km ESE of Adak, AlaskaSun, Dec 19, 11:02 PM HAST · 1743 days ago · 36 km deep · 31 km away
52. 1.862 km SE of Adak, AlaskaMon, Dec 20, 2:54 AM HAST · 1742 days ago · 24 km deep · 47 km away
53. 1.656 km SE of Adak, AlaskaMon, Dec 20, 3:55 AM HAST · 1742 days ago · 25 km deep · 53 km away
54. 1.761 km SE of Adak, AlaskaMon, Dec 20, 7:27 AM HAST · 1742 days ago · 26 km deep · 47 km away
55. 1.953 km S of Adak, AlaskaMon, Dec 20, 8:31 PM HAST · 1742 days ago · 23 km deep · 84 km away
56. 1.951 km S of Adak, AlaskaTue, Dec 21, 10:51 AM HAST · 1741 days ago · 25 km deep · 80 km away
57. 2.746 km S of Adak, AlaskaTue, Dec 21, 9:43 PM HAST · 1741 days ago · 52 km deep · 79 km away
58. 3.056 km NE of Adak, AlaskaWed, Dec 22, 9:26 AM HAST · 1740 days ago · 158 km deep · 61 km away
59. 1.646 km SSE of Adak, AlaskaWed, Dec 22, 3:48 PM HAST · 1740 days ago · 31 km deep · 65 km away
60. 2.116 km NNE of Adak, AlaskaWed, Dec 22, 11:27 PM HAST · 1740 days ago · 110 km deep · 75 km away

The first 60 of 154.

Before

1. 3.133 km NNE of Adak, AlaskaThu, Nov 25, 2:29 PM HAST · 1767 days ago · 222 km deep · 79 km away
2. 2.068 km ENE of Adak, AlaskaThu, Nov 25, 6:56 AM HAST · 1767 days ago · 144 km deep · 33 km away
3. 1.962 km SE of Adak, AlaskaThu, Nov 25, 4:24 AM HAST · 1767 days ago · 26 km deep · 59 km away
4. 2.749 km NE of Adak, AlaskaWed, Nov 24, 10:21 PM HAST · 1768 days ago · 151 km deep · 61 km away
5. 1.766 km SE of Adak, AlaskaWed, Nov 24, 8:50 PM HAST · 1768 days ago · 25 km deep · 57 km away
6. 1.662 km SE of Adak, AlaskaSun, Nov 21, 9:42 PM HAST · 1771 days ago · 26 km deep · 58 km away
7. 1.756 km SE of Adak, AlaskaSun, Nov 21, 9:41 PM HAST · 1771 days ago · 18 km deep · 56 km away
8. 2.770 km SE of Adak, AlaskaSun, Nov 21, 9:41 PM HAST · 1771 days ago · 32 km deep · 58 km away
9. 1.915 km SSW of Atka, AlaskaSun, Nov 21, 8:11 PM HAST · 1771 days ago · 85 km deep · 90 km away
10. 1.992 km SW of Atka, AlaskaFri, Nov 19, 9:29 PM HAST · 1773 days ago · 34 km deep · 41 km away
11. 3.248 km SSE of Adak, AlaskaFri, Nov 19, 10:41 AM HAST · 1773 days ago · 42 km deep · 65 km away
12. 1.789 km SW of Atka, AlaskaFri, Nov 19, 10:21 AM HAST · 1773 days ago · 31 km deep · 35 km away
13. 1.958 km E of Adak, AlaskaFri, Nov 19, 8:55 AM HAST · 1773 days ago · 81 km deep · 24 km away
14. 1.750 km ESE of Adak, AlaskaThu, Nov 18, 10:20 PM HAST · 1774 days ago · 65 km deep · 31 km away
15. 1.824 km S of Atka, AlaskaThu, Nov 18, 8:12 PM HAST · 1774 days ago · 61 km deep · 97 km away
16. 1.564 km SSE of Adak, AlaskaThu, Nov 18, 6:07 PM HAST · 1774 days ago · 18 km deep · 67 km away
17. 1.967 km ENE of Adak, AlaskaThu, Nov 18, 4:11 PM HAST · 1774 days ago · 146 km deep · 35 km away
18. 1.951 km SSW of Atka, AlaskaThu, Nov 18, 1:35 PM HAST · 1774 days ago · 23 km deep · 66 km away
19. 2.273 km ENE of Adak, AlaskaThu, Nov 18, 12:05 PM HAST · 1774 days ago · 170 km deep · 42 km away
20. 1.596 km ESE of Adak, AlaskaWed, Nov 17, 10:43 PM HAST · 1775 days ago · 22 km deep · 29 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021f7j7zbq. Read Sun, Sep 27, 2026, 9:25 PM UTC.