M2.2 earthquake 50 km ESE of Atka, Alaska

Magnitude

2.2 (ml), micro

Local time

Fri, Dec 17, 2021, 9:32 PM HAST

UTC

2021-12-18 07:32:26 UTC

Depth

62.3 km (38.7 mi), shallow

Epicenter

52.017° N, 173.522° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

13

After

1. 3.3122 km ESE of Atka, AlaskaTue, Dec 21, 3:57 AM HAST · 1738 days ago · 34 km deep · 72 km away
2. 2.1Andreanof Islands, Aleutian Islands, AlaskaThu, Dec 23, 9:05 PM HAST · 1735 days ago · 17 km deep · 20 km away
3. 3.175 km SE of Atka, AlaskaSat, Dec 25, 5:51 AM HAST · 1734 days ago · 33 km deep · 28 km away
4. 2.961 km S of Atka, AlaskaTue, Dec 28, 2:56 AM HAST · 1731 days ago · 35 km deep · 67 km away
5. 2.191 km ESE of Atka, AlaskaTue, Dec 28, 5:43 AM HAST · 1731 days ago · 13 km deep · 43 km away
6. 1.927 km SW of Atka, AlaskaTue, Dec 28, 2:36 PM HAST · 1731 days ago · 65 km deep · 68 km away
7. 2.2119 km SSE of Atka, AlaskaTue, Dec 28, 7:47 PM HAST · 1730 days ago · 25 km deep · 95 km away
8. 3.536 km WNW of Atka, AlaskaWed, Dec 29, 5:20 AM HAST · 1730 days ago · 188 km deep · 87 km away
9. 1.959 km SSW of Atka, AlaskaWed, Dec 29, 7:21 PM HAST · 1729 days ago · 11 km deep · 80 km away
10. 2.4103 km S of Atka, AlaskaTue, Jan 4, 6:18 AM HAST · 1724 days ago · 18 km deep · 93 km away
11. 3.078 km S of Atka, AlaskaFri, Jan 7, 5:16 AM HAST · 1721 days ago · 26 km deep · 78 km away
12. 2.555 km N of Atka, AlaskaFri, Jan 7, 7:41 AM HAST · 1721 days ago · 130 km deep · 84 km away
13. 3.247 km S of Atka, AlaskaFri, Jan 7, 10:20 AM HAST · 1721 days ago · 64 km deep · 46 km away
14. 1.963 km SW of Atka, AlaskaSat, Jan 8, 4:10 PM HAST · 1720 days ago · 26 km deep · 93 km away
15. 4.1142 km ESE of Atka, AlaskaSun, Jan 9, 8:39 AM HAST · 1719 days ago · 35 km deep · 93 km away
16. 4.275 km NE of Atka, AlaskaTue, Jan 11, 5:24 AM HAST · 1717 days ago · 187 km deep · 65 km away
17. 3.518 km NNE of Atka, AlaskaTue, Jan 11, 6:50 PM HAST · 1716 days ago · 146 km deep · 54 km away
18. 3.417 km WSW of Atka, AlaskaThu, Jan 13, 1:20 AM HAST · 1715 days ago · 178 km deep · 65 km away
19. 1.947 km SSW of Atka, AlaskaThu, Jan 13, 6:56 PM HAST · 1714 days ago · 40 km deep · 71 km away
20. 3.5112 km SE of Atka, AlaskaThu, Jan 13, 7:27 PM HAST · 1714 days ago · 41 km deep · 64 km away
21. 2.8128 km E of Atka, AlaskaThu, Jan 13, 7:38 PM HAST · 1714 days ago · 53 km deep · 89 km away
22. 1.954 km SSW of Atka, AlaskaSun, Jan 16, 8:49 PM HAST · 1711 days ago · 26 km deep · 81 km away
23. 3.160 km SE of Atka, AlaskaTue, Jan 18, 11:56 PM HAST · 1709 days ago · 6 km deep · 18 km away
24. 2.956 km ESE of Atka, AlaskaWed, Jan 19, 2:44 AM HAST · 1709 days ago · 14 km deep · 8 km away
25. 3.066 km SSE of Atka, AlaskaWed, Jan 19, 4:15 AM HAST · 1709 days ago · 35 km deep · 38 km away
26. 2.027 km S of Atka, AlaskaFri, Jan 21, 8:31 PM HAST · 1706 days ago · 91 km deep · 52 km away
27. 3.935 km SW of Atka, AlaskaSun, Jan 23, 9:14 PM HAST · 1704 days ago · 68 km deep · 75 km away
28. 1.755 km SSW of Atka, AlaskaMon, Jan 24, 4:19 PM HAST · 1704 days ago · 39 km deep · 77 km away
29. 3.184 km ESE of Atka, AlaskaMon, Jan 24, 6:28 PM HAST · 1703 days ago · 35 km deep · 35 km away
30. 1.753 km S of Atka, AlaskaMon, Jan 24, 11:07 PM HAST · 1703 days ago · 4 km deep · 65 km away
31. 2.962 km ESE of Atka, AlaskaMon, Jan 24, 11:50 PM HAST · 1703 days ago · 35 km deep · 14 km away
32. 3.7Andreanof Islands, Aleutian Islands, AlaskaWed, Jan 26, 9:23 PM HAST · 1701 days ago · 42 km deep · 54 km away
33. 2.923 km SE of Atka, AlaskaFri, Jan 28, 10:10 AM HAST · 1700 days ago · 81 km deep · 31 km away
34. 2.272 km SSW of Atka, AlaskaSat, Jan 29, 2:33 PM HAST · 1699 days ago · 26 km deep · 91 km away
35. 2.762 km SSE of Atka, AlaskaWed, Feb 2, 3:54 PM HAST · 1695 days ago · 35 km deep · 39 km away
36. 3.2102 km ESE of Atka, AlaskaThu, Feb 3, 6:03 PM HAST · 1693 days ago · 35 km deep · 52 km away
37. 1.838 km SSW of Atka, AlaskaFri, Feb 4, 1:29 AM HAST · 1693 days ago · 51 km deep · 69 km away
38. 1.762 km SW of Atka, AlaskaFri, Feb 4, 1:51 AM HAST · 1693 days ago · 57 km deep · 97 km away
39. 1.551 km WSW of Atka, AlaskaFri, Feb 4, 3:59 AM HAST · 1693 days ago · 14 km deep · 98 km away
40. 1.647 km SW of Atka, AlaskaFri, Feb 4, 4:38 AM HAST · 1693 days ago · 26 km deep · 79 km away
41. 1.651 km SSW of Atka, AlaskaFri, Feb 4, 9:58 AM HAST · 1693 days ago · 35 km deep · 65 km away
42. 1.935 km S of Atka, AlaskaFri, Feb 4, 12:05 PM HAST · 1693 days ago · 41 km deep · 46 km away
43. 2.157 km SW of Atka, AlaskaSat, Feb 5, 10:21 PM HAST · 1691 days ago · 121 km deep · 84 km away
44. 2.155 km S of Atka, AlaskaSat, Feb 5, 10:48 PM HAST · 1691 days ago · 33 km deep · 60 km away
45. 2.157 km SE of Atka, AlaskaSun, Feb 6, 9:57 PM HAST · 1690 days ago · 34 km deep · 28 km away
46. 1.622 km SE of Atka, AlaskaWed, Feb 9, 10:30 AM HAST · 1688 days ago · 13 km deep · 30 km away
47. 3.0Andreanof Islands, Aleutian Islands, AlaskaWed, Feb 9, 1:13 PM HAST · 1688 days ago · 10 km deep · 54 km away
48. 2.157 km SE of Atka, AlaskaFri, Feb 11, 11:01 AM HAST · 1686 days ago · 24 km deep · 13 km away
49. 2.1127 km SSE of Atka, AlaskaFri, Feb 11, 10:02 PM HAST · 1685 days ago · 10 km deep · 99 km away
50. 2.254 km NNE of Atka, AlaskaFri, Feb 11, 10:46 PM HAST · 1685 days ago · 137 km deep · 75 km away
51. 1.955 km ESE of Atka, AlaskaSat, Feb 12, 12:45 PM HAST · 1685 days ago · 58 km deep · 7 km away
52. 2.324 km SSE of Atka, AlaskaSun, Feb 13, 5:43 PM HAST · 1684 days ago · 85 km deep · 34 km away
53. 2.335 km ESE of Atka, AlaskaTue, Feb 15, 3:25 PM HAST · 1682 days ago · 148 km deep · 16 km away

Before

1. 2.959 km SSW of Atka, AlaskaWed, Dec 15, 1:37 AM HAST · 1744 days ago · 35 km deep · 84 km away
2. 4.084 km SE of Atka, AlaskaMon, Dec 13, 2:05 PM HAST · 1746 days ago · 35 km deep · 39 km away
3. 3.123 km S of Atka, AlaskaMon, Dec 13, 12:19 PM HAST · 1746 days ago · 178 km deep · 42 km away
4. 2.971 km ESE of Atka, AlaskaSun, Dec 12, 1:28 AM HAST · 1747 days ago · 40 km deep · 21 km away
5. 3.283 km NNE of Atka, AlaskaSun, Dec 12, 1:28 AM HAST · 1747 days ago · 17 km deep · 94 km away
6. 1.742 km SW of Atka, AlaskaSat, Dec 11, 4:30 PM HAST · 1748 days ago · 54 km deep · 77 km away
7. 2.07 km E of Atka, AlaskaThu, Dec 9, 9:40 PM HAST · 1749 days ago · 6 km deep · 44 km away
8. 4.373 km SSE of Atka, AlaskaThu, Dec 9, 9:12 PM HAST · 1749 days ago · 43 km deep · 58 km away
9. 2.956 km N of Atka, AlaskaFri, Dec 3, 5:35 PM HAST · 1756 days ago · 179 km deep · 88 km away
10. 2.879 km ESE of Atka, AlaskaFri, Dec 3, 2:32 AM HAST · 1756 days ago · 32 km deep · 29 km away
11. 3.515 km NW of Atka, AlaskaWed, Dec 1, 8:48 AM HAST · 1758 days ago · 178 km deep · 64 km away
12. 3.568 km S of Atka, AlaskaMon, Nov 29, 2:13 AM HAST · 1760 days ago · 91 km deep · 63 km away
13. 2.646 km SW of Atka, AlaskaSat, Nov 27, 10:16 PM HAST · 1761 days ago · 14 km deep · 84 km away
14. 3.346 km S of Atka, AlaskaSat, Nov 27, 7:39 PM HAST · 1761 days ago · 56 km deep · 50 km away
15. 2.097 km S of Atka, AlaskaFri, Nov 26, 7:32 AM HAST · 1763 days ago · 16 km deep · 81 km away
16. 1.915 km SSW of Atka, AlaskaSun, Nov 21, 8:11 PM HAST · 1767 days ago · 85 km deep · 51 km away
17. 1.824 km S of Atka, AlaskaThu, Nov 18, 8:12 PM HAST · 1770 days ago · 61 km deep · 42 km away
18. 1.951 km SSW of Atka, AlaskaThu, Nov 18, 1:35 PM HAST · 1771 days ago · 23 km deep · 75 km away
19. 1.952 km SE of Atka, AlaskaThu, Nov 18, 1:56 AM HAST · 1771 days ago · 55 km deep · 29 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021g69j423. Read Thu, Sep 24, 2026, 3:24 PM UTC.