M2.0 earthquake 7 km E of Atka, Alaska

Magnitude

2.0 (ml), micro

Local time

Thu, Dec 9, 2021, 9:40 PM HAST

UTC

2021-12-10 07:40:42 UTC

Depth

5.6 km (3.5 mi), shallow

Epicenter

52.199° N, 174.091° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.4 km horizontally, 2.4 km in depth

Magnitude uncertainty

±0.20

Depth from

From location

Station coverage gap

321°, poorly surrounded by stations

Stations used

7

After

1. 1.742 km SW of Atka, AlaskaSat, Dec 11, 4:30 PM HAST · 1747 days ago · 54 km deep · 49 km away
2. 3.283 km NNE of Atka, AlaskaSun, Dec 12, 1:28 AM HAST · 1747 days ago · 17 km deep · 80 km away
3. 2.971 km ESE of Atka, AlaskaSun, Dec 12, 1:28 AM HAST · 1747 days ago · 40 km deep · 65 km away
4. 3.123 km S of Atka, AlaskaMon, Dec 13, 12:19 PM HAST · 1746 days ago · 178 km deep · 24 km away
5. 4.084 km SE of Atka, AlaskaMon, Dec 13, 2:05 PM HAST · 1745 days ago · 35 km deep · 79 km away
6. 2.959 km SSW of Atka, AlaskaWed, Dec 15, 1:37 AM HAST · 1744 days ago · 35 km deep · 64 km away
7. 2.250 km ESE of Atka, AlaskaFri, Dec 17, 9:32 PM HAST · 1741 days ago · 62 km deep · 44 km away
8. 2.1Andreanof Islands, Aleutian Islands, AlaskaThu, Dec 23, 9:05 PM HAST · 1735 days ago · 17 km deep · 60 km away
9. 2.182 km E of Adak, AlaskaSat, Dec 25, 5:10 AM HAST · 1734 days ago · 67 km deep · 100 km away
10. 3.175 km SE of Atka, AlaskaSat, Dec 25, 5:51 AM HAST · 1734 days ago · 33 km deep · 69 km away
11. 2.961 km S of Atka, AlaskaTue, Dec 28, 2:56 AM HAST · 1731 days ago · 35 km deep · 63 km away
12. 2.191 km ESE of Atka, AlaskaTue, Dec 28, 5:43 AM HAST · 1731 days ago · 13 km deep · 84 km away
13. 1.927 km SW of Atka, AlaskaTue, Dec 28, 2:36 PM HAST · 1730 days ago · 65 km deep · 34 km away
14. 3.536 km WNW of Atka, AlaskaWed, Dec 29, 5:20 AM HAST · 1730 days ago · 188 km deep · 44 km away
15. 1.959 km SSW of Atka, AlaskaWed, Dec 29, 7:21 PM HAST · 1729 days ago · 11 km deep · 63 km away
16. 3.078 km S of Atka, AlaskaFri, Jan 7, 5:16 AM HAST · 1721 days ago · 26 km deep · 80 km away
17. 2.555 km N of Atka, AlaskaFri, Jan 7, 7:41 AM HAST · 1721 days ago · 130 km deep · 54 km away
18. 3.247 km S of Atka, AlaskaFri, Jan 7, 10:20 AM HAST · 1721 days ago · 64 km deep · 47 km away
19. 3.175 km SW of Atka, AlaskaFri, Jan 7, 9:31 PM HAST · 1720 days ago · 35 km deep · 81 km away
20. 1.963 km SW of Atka, AlaskaSat, Jan 8, 4:10 PM HAST · 1719 days ago · 26 km deep · 69 km away
21. 4.275 km NE of Atka, AlaskaTue, Jan 11, 5:24 AM HAST · 1717 days ago · 187 km deep · 69 km away
22. 3.518 km NNE of Atka, AlaskaTue, Jan 11, 6:50 PM HAST · 1716 days ago · 146 km deep · 17 km away
23. 3.417 km WSW of Atka, AlaskaThu, Jan 13, 1:20 AM HAST · 1715 days ago · 178 km deep · 25 km away
24. 1.947 km SSW of Atka, AlaskaThu, Jan 13, 6:56 PM HAST · 1714 days ago · 40 km deep · 51 km away
25. 1.954 km SSW of Atka, AlaskaSun, Jan 16, 8:49 PM HAST · 1711 days ago · 26 km deep · 60 km away
26. 1.885 km E of Adak, AlaskaMon, Jan 17, 2:10 AM HAST · 1711 days ago · 76 km deep · 93 km away
27. 3.160 km SE of Atka, AlaskaTue, Jan 18, 11:56 PM HAST · 1709 days ago · 6 km deep · 54 km away
28. 2.956 km ESE of Atka, AlaskaWed, Jan 19, 2:44 AM HAST · 1709 days ago · 14 km deep · 50 km away
29. 3.066 km SSE of Atka, AlaskaWed, Jan 19, 4:15 AM HAST · 1709 days ago · 35 km deep · 63 km away
30. 2.027 km S of Atka, AlaskaFri, Jan 21, 8:31 PM HAST · 1706 days ago · 91 km deep · 30 km away
31. 3.935 km SW of Atka, AlaskaSun, Jan 23, 9:14 PM HAST · 1704 days ago · 68 km deep · 42 km away
32. 1.755 km SSW of Atka, AlaskaMon, Jan 24, 4:19 PM HAST · 1703 days ago · 39 km deep · 59 km away
33. 3.184 km ESE of Atka, AlaskaMon, Jan 24, 6:28 PM HAST · 1703 days ago · 35 km deep · 77 km away
34. 1.753 km S of Atka, AlaskaMon, Jan 24, 11:07 PM HAST · 1703 days ago · 4 km deep · 56 km away
35. 2.962 km ESE of Atka, AlaskaMon, Jan 24, 11:50 PM HAST · 1703 days ago · 35 km deep · 56 km away
36. 2.383 km ENE of Adak, AlaskaTue, Jan 25, 3:57 AM HAST · 1703 days ago · 243 km deep · 95 km away
37. 3.7Andreanof Islands, Aleutian Islands, AlaskaWed, Jan 26, 9:23 PM HAST · 1701 days ago · 42 km deep · 98 km away
38. 2.923 km SE of Atka, AlaskaFri, Jan 28, 10:10 AM HAST · 1700 days ago · 81 km deep · 20 km away
39. 2.272 km SSW of Atka, AlaskaSat, Jan 29, 2:33 PM HAST · 1698 days ago · 26 km deep · 76 km away
40. 2.762 km SSE of Atka, AlaskaWed, Feb 2, 3:54 PM HAST · 1694 days ago · 35 km deep · 59 km away
41. 3.2102 km ESE of Atka, AlaskaThu, Feb 3, 6:03 PM HAST · 1693 days ago · 35 km deep · 95 km away
42. 1.838 km SSW of Atka, AlaskaFri, Feb 4, 1:29 AM HAST · 1693 days ago · 51 km deep · 44 km away
43. 1.762 km SW of Atka, AlaskaFri, Feb 4, 1:51 AM HAST · 1693 days ago · 57 km deep · 68 km away
44. 1.551 km WSW of Atka, AlaskaFri, Feb 4, 3:59 AM HAST · 1693 days ago · 14 km deep · 59 km away
45. 1.647 km SW of Atka, AlaskaFri, Feb 4, 4:38 AM HAST · 1693 days ago · 26 km deep · 53 km away
46. 1.651 km SSW of Atka, AlaskaFri, Feb 4, 9:58 AM HAST · 1693 days ago · 35 km deep · 54 km away
47. 1.935 km S of Atka, AlaskaFri, Feb 4, 12:05 PM HAST · 1693 days ago · 41 km deep · 36 km away
48. 1.783 km ENE of Adak, AlaskaFri, Feb 4, 3:24 PM HAST · 1692 days ago · 7 km deep · 96 km away
49. 2.157 km SW of Atka, AlaskaSat, Feb 5, 10:21 PM HAST · 1691 days ago · 121 km deep · 62 km away
50. 2.155 km S of Atka, AlaskaSat, Feb 5, 10:48 PM HAST · 1691 days ago · 33 km deep · 57 km away
51. 2.581 km SW of Atka, AlaskaSun, Feb 6, 5:50 AM HAST · 1691 days ago · 35 km deep · 87 km away
52. 1.587 km SW of Atka, AlaskaSun, Feb 6, 7:32 AM HAST · 1691 days ago · 32 km deep · 94 km away
53. 2.157 km SE of Atka, AlaskaSun, Feb 6, 9:57 PM HAST · 1690 days ago · 34 km deep · 53 km away

Before

1. 4.373 km SSE of Atka, AlaskaThu, Dec 9, 9:12 PM HAST · 1749 days ago · 43 km deep · 72 km away
2. 2.956 km N of Atka, AlaskaFri, Dec 3, 5:35 PM HAST · 1755 days ago · 179 km deep · 56 km away
3. 2.879 km ESE of Atka, AlaskaFri, Dec 3, 2:32 AM HAST · 1756 days ago · 32 km deep · 73 km away
4. 3.515 km NW of Atka, AlaskaWed, Dec 1, 8:48 AM HAST · 1758 days ago · 178 km deep · 20 km away
5. 3.568 km S of Atka, AlaskaMon, Nov 29, 2:13 AM HAST · 1760 days ago · 91 km deep · 68 km away
6. 2.646 km SW of Atka, AlaskaSat, Nov 27, 10:16 PM HAST · 1761 days ago · 14 km deep · 53 km away
7. 3.346 km S of Atka, AlaskaSat, Nov 27, 7:39 PM HAST · 1761 days ago · 56 km deep · 47 km away
8. 2.097 km S of Atka, AlaskaFri, Nov 26, 7:32 AM HAST · 1763 days ago · 16 km deep · 97 km away
9. 1.915 km SSW of Atka, AlaskaSun, Nov 21, 8:11 PM HAST · 1767 days ago · 85 km deep · 19 km away
10. 1.992 km SW of Atka, AlaskaFri, Nov 19, 9:29 PM HAST · 1769 days ago · 34 km deep · 97 km away
11. 1.789 km SW of Atka, AlaskaFri, Nov 19, 10:21 AM HAST · 1770 days ago · 31 km deep · 95 km away
12. 1.824 km S of Atka, AlaskaThu, Nov 18, 8:12 PM HAST · 1770 days ago · 61 km deep · 24 km away
13. 1.951 km SSW of Atka, AlaskaThu, Nov 18, 1:35 PM HAST · 1770 days ago · 23 km deep · 55 km away
14. 1.952 km SE of Atka, AlaskaThu, Nov 18, 1:56 AM HAST · 1771 days ago · 55 km deep · 49 km away
15. 1.817 km SSW of Atka, AlaskaWed, Nov 17, 4:52 PM HAST · 1771 days ago · 76 km deep · 21 km away
16. 2.847 km S of Atka, AlaskaWed, Nov 17, 1:00 AM HAST · 1772 days ago · 68 km deep · 47 km away
17. 2.087 km SW of Atka, AlaskaWed, Nov 17, 12:07 AM HAST · 1772 days ago · 15 km deep · 93 km away
18. 1.657 km WSW of Atka, AlaskaTue, Nov 16, 8:58 PM HAST · 1772 days ago · 70 km deep · 65 km away
19. 1.951 km ESE of Atka, AlaskaTue, Nov 16, 4:26 AM HAST · 1773 days ago · 63 km deep · 44 km away
20. 2.949 km SW of Atka, AlaskaTue, Nov 16, 2:38 AM HAST · 1773 days ago · 72 km deep · 55 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91441041. Read Thu, Sep 24, 2026, 10:14 AM UTC.