M1.9 earthquake 27 km SW of Atka, Alaska

Magnitude

1.9 (ml), micro

Local time

Tue, Dec 28, 2021, 2:36 PM HAST

UTC

2021-12-29 00:36:01 UTC

Depth

64.9 km (40.3 mi), shallow

Epicenter

52.047° N, 174.520° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

13

After

1. 3.485 km NE of Adak, AlaskaTue, Dec 28, 2:47 PM HAST · 1732 days ago · 189 km deep · 94 km away
2. 3.536 km WNW of Atka, AlaskaWed, Dec 29, 5:20 AM HAST · 1732 days ago · 188 km deep · 31 km away
3. 1.959 km SSW of Atka, AlaskaWed, Dec 29, 7:21 PM HAST · 1731 days ago · 11 km deep · 37 km away
4. 2.1122 km SSW of Atka, AlaskaSat, Jan 1, 9:34 AM HAST · 1729 days ago · 13 km deep · 98 km away
5. 2.799 km SW of Atka, AlaskaMon, Jan 3, 11:25 PM HAST · 1726 days ago · 35 km deep · 72 km away
6. 2.4103 km S of Atka, AlaskaTue, Jan 4, 6:18 AM HAST · 1726 days ago · 18 km deep · 91 km away
7. 3.078 km S of Atka, AlaskaFri, Jan 7, 5:16 AM HAST · 1723 days ago · 26 km deep · 65 km away
8. 2.555 km N of Atka, AlaskaFri, Jan 7, 7:41 AM HAST · 1723 days ago · 130 km deep · 77 km away
9. 3.247 km S of Atka, AlaskaFri, Jan 7, 10:20 AM HAST · 1723 days ago · 64 km deep · 43 km away
10. 3.175 km SW of Atka, AlaskaFri, Jan 7, 9:31 PM HAST · 1722 days ago · 35 km deep · 49 km away
11. 3.278 km NE of Adak, AlaskaSat, Jan 8, 12:44 PM HAST · 1721 days ago · 183 km deep · 84 km away
12. 1.963 km SW of Atka, AlaskaSat, Jan 8, 4:10 PM HAST · 1721 days ago · 26 km deep · 37 km away
13. 3.518 km NNE of Atka, AlaskaTue, Jan 11, 6:50 PM HAST · 1718 days ago · 146 km deep · 45 km away
14. 3.417 km WSW of Atka, AlaskaThu, Jan 13, 1:20 AM HAST · 1717 days ago · 178 km deep · 13 km away
15. 1.947 km SSW of Atka, AlaskaThu, Jan 13, 6:56 PM HAST · 1716 days ago · 40 km deep · 26 km away
16. 2.787 km ESE of Adak, AlaskaSun, Jan 16, 12:46 PM HAST · 1713 days ago · 35 km deep · 99 km away
17. 1.954 km SSW of Atka, AlaskaSun, Jan 16, 8:49 PM HAST · 1713 days ago · 26 km deep · 30 km away
18. 1.885 km E of Adak, AlaskaMon, Jan 17, 2:10 AM HAST · 1713 days ago · 76 km deep · 61 km away
19. 2.957 km NE of Adak, AlaskaMon, Jan 17, 7:06 AM HAST · 1713 days ago · 155 km deep · 100 km away
20. 1.773 km E of Adak, AlaskaMon, Jan 17, 12:55 PM HAST · 1712 days ago · 24 km deep · 73 km away
21. 3.160 km SE of Atka, AlaskaTue, Jan 18, 11:56 PM HAST · 1711 days ago · 6 km deep · 72 km away
22. 2.956 km ESE of Atka, AlaskaWed, Jan 19, 2:44 AM HAST · 1711 days ago · 14 km deep · 73 km away
23. 3.066 km SSE of Atka, AlaskaWed, Jan 19, 4:15 AM HAST · 1711 days ago · 35 km deep · 70 km away
24. 4.073 km ESE of Adak, AlaskaWed, Jan 19, 10:50 PM HAST · 1710 days ago · 48 km deep · 87 km away
25. 2.027 km S of Atka, AlaskaFri, Jan 21, 8:31 PM HAST · 1708 days ago · 91 km deep · 20 km away
26. 1.789 km ESE of Adak, AlaskaFri, Jan 21, 9:05 PM HAST · 1708 days ago · 36 km deep · 69 km away
27. 1.774 km E of Adak, AlaskaSat, Jan 22, 5:15 AM HAST · 1708 days ago · 84 km deep · 72 km away
28. 3.935 km SW of Atka, AlaskaSun, Jan 23, 9:14 PM HAST · 1706 days ago · 68 km deep · 8 km away
29. 2.669 km ESE of Adak, AlaskaSun, Jan 23, 9:16 PM HAST · 1706 days ago · 35 km deep · 88 km away
30. 1.675 km ESE of Adak, AlaskaMon, Jan 24, 1:27 AM HAST · 1706 days ago · 54 km deep · 79 km away
31. 1.755 km SSW of Atka, AlaskaMon, Jan 24, 4:19 PM HAST · 1705 days ago · 39 km deep · 33 km away
32. 1.753 km S of Atka, AlaskaMon, Jan 24, 11:07 PM HAST · 1705 days ago · 4 km deep · 38 km away
33. 2.962 km ESE of Atka, AlaskaMon, Jan 24, 11:50 PM HAST · 1705 days ago · 35 km deep · 78 km away
34. 2.383 km ENE of Adak, AlaskaTue, Jan 25, 3:57 AM HAST · 1705 days ago · 243 km deep · 65 km away
35. 2.923 km SE of Atka, AlaskaFri, Jan 28, 10:10 AM HAST · 1702 days ago · 81 km deep · 37 km away
36. 2.470 km E of Adak, AlaskaFri, Jan 28, 8:59 PM HAST · 1701 days ago · 154 km deep · 76 km away
37. 2.293 km ESE of Adak, AlaskaSat, Jan 29, 3:32 AM HAST · 1701 days ago · 25 km deep · 76 km away
38. 2.394 km ESE of Adak, AlaskaSat, Jan 29, 3:50 AM HAST · 1701 days ago · 30 km deep · 91 km away
39. 2.272 km SSW of Atka, AlaskaSat, Jan 29, 2:33 PM HAST · 1700 days ago · 26 km deep · 49 km away
40. 1.7Andreanof Islands, Aleutian Islands, AlaskaMon, Jan 31, 5:50 PM HAST · 1698 days ago · 28 km deep · 88 km away
41. 2.762 km SSE of Atka, AlaskaWed, Feb 2, 3:54 PM HAST · 1696 days ago · 35 km deep · 64 km away
42. 1.838 km SSW of Atka, AlaskaFri, Feb 4, 1:29 AM HAST · 1695 days ago · 51 km deep · 16 km away
43. 1.762 km SW of Atka, AlaskaFri, Feb 4, 1:51 AM HAST · 1695 days ago · 57 km deep · 35 km away
44. 1.551 km WSW of Atka, AlaskaFri, Feb 4, 3:59 AM HAST · 1695 days ago · 14 km deep · 30 km away
45. 1.647 km SW of Atka, AlaskaFri, Feb 4, 4:38 AM HAST · 1695 days ago · 26 km deep · 22 km away
46. 1.651 km SSW of Atka, AlaskaFri, Feb 4, 9:58 AM HAST · 1695 days ago · 35 km deep · 35 km away
47. 1.935 km S of Atka, AlaskaFri, Feb 4, 12:05 PM HAST · 1694 days ago · 41 km deep · 31 km away
48. 1.783 km ENE of Adak, AlaskaFri, Feb 4, 3:24 PM HAST · 1694 days ago · 7 km deep · 67 km away
49. 1.597 km SW of Atka, AlaskaSat, Feb 5, 9:39 PM HAST · 1693 days ago · 33 km deep · 70 km away
50. 2.157 km SW of Atka, AlaskaSat, Feb 5, 10:21 PM HAST · 1693 days ago · 121 km deep · 32 km away
51. 2.155 km S of Atka, AlaskaSat, Feb 5, 10:48 PM HAST · 1693 days ago · 33 km deep · 44 km away
52. 2.581 km SW of Atka, AlaskaSun, Feb 6, 5:50 AM HAST · 1693 days ago · 35 km deep · 55 km away
53. 1.587 km SW of Atka, AlaskaSun, Feb 6, 7:32 AM HAST · 1693 days ago · 32 km deep · 60 km away
54. 2.157 km SE of Atka, AlaskaSun, Feb 6, 9:57 PM HAST · 1692 days ago · 34 km deep · 63 km away
55. 1.622 km SE of Atka, AlaskaWed, Feb 9, 10:30 AM HAST · 1690 days ago · 13 km deep · 39 km away
56. 2.157 km SE of Atka, AlaskaFri, Feb 11, 11:01 AM HAST · 1688 days ago · 24 km deep · 71 km away
57. 2.254 km NNE of Atka, AlaskaFri, Feb 11, 10:46 PM HAST · 1687 days ago · 137 km deep · 79 km away
58. 2.577 km E of Adak, AlaskaSat, Feb 12, 12:25 AM HAST · 1687 days ago · 175 km deep · 71 km away
59. 2.652 km E of Adak, AlaskaSat, Feb 12, 12:53 AM HAST · 1687 days ago · 151 km deep · 94 km away
60. 1.955 km ESE of Atka, AlaskaSat, Feb 12, 12:45 PM HAST · 1686 days ago · 58 km deep · 72 km away

The first 60 of 76.

Before

1. 2.961 km S of Atka, AlaskaTue, Dec 28, 2:56 AM HAST · 1733 days ago · 35 km deep · 47 km away
2. 3.175 km SE of Atka, AlaskaSat, Dec 25, 5:51 AM HAST · 1736 days ago · 33 km deep · 87 km away
3. 2.182 km E of Adak, AlaskaSat, Dec 25, 5:10 AM HAST · 1736 days ago · 67 km deep · 66 km away
4. 2.6103 km SSW of Atka, AlaskaFri, Dec 24, 1:17 PM HAST · 1736 days ago · 10 km deep · 83 km away
5. 2.1Andreanof Islands, Aleutian Islands, AlaskaThu, Dec 23, 9:05 PM HAST · 1737 days ago · 17 km deep · 88 km away
6. 1.875 km ESE of Adak, AlaskaSun, Dec 19, 11:02 PM HAST · 1741 days ago · 36 km deep · 99 km away
7. 2.250 km ESE of Atka, AlaskaFri, Dec 17, 9:32 PM HAST · 1743 days ago · 62 km deep · 68 km away
8. 2.959 km SSW of Atka, AlaskaWed, Dec 15, 1:37 AM HAST · 1746 days ago · 35 km deep · 35 km away
9. 4.084 km SE of Atka, AlaskaMon, Dec 13, 2:05 PM HAST · 1747 days ago · 35 km deep · 93 km away
10. 3.123 km S of Atka, AlaskaMon, Dec 13, 12:19 PM HAST · 1747 days ago · 178 km deep · 27 km away
11. 2.971 km ESE of Atka, AlaskaSun, Dec 12, 1:28 AM HAST · 1749 days ago · 40 km deep · 88 km away
12. 1.742 km SW of Atka, AlaskaSat, Dec 11, 4:30 PM HAST · 1749 days ago · 54 km deep · 17 km away
13. 2.096 km SW of Atka, AlaskaSat, Dec 11, 10:35 AM HAST · 1750 days ago · 25 km deep · 69 km away
14. 2.792 km SE of Adak, AlaskaSat, Dec 11, 6:46 AM HAST · 1750 days ago · 35 km deep · 99 km away
15. 3.274 km ENE of Adak, AlaskaFri, Dec 10, 10:25 PM HAST · 1750 days ago · 185 km deep · 76 km away
16. 2.07 km E of Atka, AlaskaThu, Dec 9, 9:40 PM HAST · 1751 days ago · 6 km deep · 34 km away
17. 4.373 km SSE of Atka, AlaskaThu, Dec 9, 9:12 PM HAST · 1751 days ago · 43 km deep · 68 km away
18. 2.063 km ESE of Adak, AlaskaSun, Dec 5, 3:04 PM HAST · 1755 days ago · 43 km deep · 98 km away
19. 2.956 km N of Atka, AlaskaFri, Dec 3, 5:35 PM HAST · 1757 days ago · 179 km deep · 76 km away
20. 2.879 km ESE of Atka, AlaskaFri, Dec 3, 2:32 AM HAST · 1758 days ago · 32 km deep · 94 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021gocap5e. Read Sat, Sep 26, 2026, 9:23 AM UTC.