M1.9 earthquake 59 km WNW of Atka, Alaska

Magnitude

1.9 (ml), micro

Local time

Fri, Oct 15, 2021, 5:05 AM HADT

UTC

2021-10-15 14:05:42 UTC

Depth

108.4 km (67.4 mi), intermediate-depth

Epicenter

52.438° N, 174.980° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

10

After

1. 1.822 km SW of Atka, AlaskaFri, Oct 15, 6:50 AM HADT · 1811 days ago · 72 km deep · 53 km away
2. 2.885 km ESE of Adak, AlaskaFri, Oct 15, 11:13 AM HADT · 1811 days ago · 52 km deep · 88 km away
3. 3.693 km ESE of Adak, AlaskaWed, Oct 20, 8:49 AM HADT · 1806 days ago · 24 km deep · 89 km away
4. 2.469 km WNW of Atka, AlaskaFri, Oct 22, 7:00 PM HADT · 1803 days ago · 120 km deep · 14 km away
5. 2.081 km ENE of Adak, AlaskaSat, Oct 23, 5:38 PM HADT · 1802 days ago · 115 km deep · 55 km away
6. 1.889 km SW of Atka, AlaskaMon, Oct 25, 12:09 PM HADT · 1800 days ago · 26 km deep · 97 km away
7. 2.929 km SSW of Atka, AlaskaMon, Oct 25, 7:25 PM HADT · 1800 days ago · 10 km deep · 72 km away
8. 1.833 km SSW of Atka, AlaskaTue, Oct 26, 12:08 AM HADT · 1800 days ago · 71 km deep · 69 km away
9. 2.974 km W of Atka, AlaskaTue, Oct 26, 3:37 PM HADT · 1799 days ago · 252 km deep · 42 km away
10. 3.747 km NE of Adak, AlaskaWed, Oct 27, 11:20 PM HADT · 1798 days ago · 188 km deep · 83 km away
11. 1.985 km ESE of Adak, AlaskaThu, Oct 28, 4:08 AM HADT · 1798 days ago · 44 km deep · 93 km away
12. 2.062 km E of Adak, AlaskaThu, Oct 28, 1:08 PM HADT · 1797 days ago · 74 km deep · 75 km away
13. 1.881 km ESE of Adak, AlaskaThu, Oct 28, 10:29 PM HADT · 1797 days ago · 55 km deep · 93 km away
14. 2.678 km E of Adak, AlaskaFri, Oct 29, 9:40 AM HADT · 1797 days ago · 75 km deep · 73 km away
15. 1.634 km E of Adak, AlaskaFri, Oct 29, 10:54 PM HADT · 1796 days ago · 9 km deep · 98 km away
16. 2.345 km S of Atka, AlaskaSun, Oct 31, 12:36 AM HADT · 1795 days ago · 223 km deep · 87 km away
17. 1.627 km SW of Atka, AlaskaSun, Oct 31, 3:22 AM HADT · 1795 days ago · 67 km deep · 60 km away
18. 1.627 km SW of Atka, AlaskaSun, Oct 31, 3:22 AM HADT · 1795 days ago · 67 km deep · 60 km away
19. 3.343 km ENE of Adak, AlaskaMon, Nov 1, 6:48 AM HADT · 1794 days ago · 180 km deep · 85 km away
20. 2.675 km SSW of Atka, AlaskaWed, Nov 3, 8:06 PM HADT · 1791 days ago · 35 km deep · 92 km away
21. 1.872 km SW of Atka, AlaskaFri, Nov 5, 4:24 AM HADT · 1790 days ago · 17 km deep · 85 km away
22. 2.061 km SW of Atka, AlaskaMon, Nov 8, 5:49 AM HAST · 1787 days ago · 63 km deep · 70 km away
23. 2.451 km NE of Adak, AlaskaMon, Nov 8, 2:18 PM HAST · 1786 days ago · 172 km deep · 78 km away
24. 2.998 km NNE of Adak, AlaskaTue, Nov 9, 9:33 AM HAST · 1786 days ago · 226 km deep · 81 km away
25. 2.050 km E of Adak, AlaskaThu, Nov 11, 4:46 AM HAST · 1784 days ago · 81 km deep · 95 km away
26. 2.059 km SSW of Atka, AlaskaThu, Nov 11, 11:39 AM HAST · 1783 days ago · 17 km deep · 87 km away
27. 1.757 km WSW of Atka, AlaskaFri, Nov 12, 5:19 PM HAST · 1782 days ago · 75 km deep · 44 km away
28. 2.276 km NE of Adak, AlaskaFri, Nov 12, 7:22 PM HAST · 1782 days ago · 214 km deep · 54 km away
29. 2.034 km WSW of Atka, AlaskaFri, Nov 12, 8:19 PM HAST · 1782 days ago · 88 km deep · 44 km away
30. 1.976 km ESE of Adak, AlaskaSat, Nov 13, 2:52 AM HAST · 1782 days ago · 57 km deep · 92 km away
31. 4.058 km NNW of Atka, AlaskaSun, Nov 14, 11:47 AM HAST · 1780 days ago · 211 km deep · 48 km away
32. 1.771 km SW of Atka, AlaskaSun, Nov 14, 9:44 PM HAST · 1780 days ago · 35 km deep · 79 km away
33. 1.773 km WSW of Atka, AlaskaMon, Nov 15, 10:08 PM HAST · 1779 days ago · 74 km deep · 52 km away
34. 2.949 km SW of Atka, AlaskaTue, Nov 16, 2:38 AM HAST · 1779 days ago · 72 km deep · 70 km away
35. 1.657 km WSW of Atka, AlaskaTue, Nov 16, 8:58 PM HAST · 1778 days ago · 70 km deep · 53 km away
36. 2.087 km SW of Atka, AlaskaWed, Nov 17, 12:07 AM HAST · 1778 days ago · 15 km deep · 97 km away
37. 2.847 km S of Atka, AlaskaWed, Nov 17, 1:00 AM HAST · 1778 days ago · 68 km deep · 96 km away
38. 1.817 km SSW of Atka, AlaskaWed, Nov 17, 4:52 PM HAST · 1777 days ago · 76 km deep · 66 km away
39. 2.273 km ENE of Adak, AlaskaThu, Nov 18, 12:05 PM HAST · 1776 days ago · 170 km deep · 56 km away
40. 1.951 km SSW of Atka, AlaskaThu, Nov 18, 1:35 PM HAST · 1776 days ago · 23 km deep · 78 km away
41. 1.967 km ENE of Adak, AlaskaThu, Nov 18, 4:11 PM HAST · 1776 days ago · 146 km deep · 63 km away
42. 1.824 km S of Atka, AlaskaThu, Nov 18, 8:12 PM HAST · 1776 days ago · 61 km deep · 77 km away
43. 1.958 km E of Adak, AlaskaFri, Nov 19, 8:55 AM HAST · 1776 days ago · 81 km deep · 81 km away
44. 1.789 km SW of Atka, AlaskaFri, Nov 19, 10:21 AM HAST · 1776 days ago · 31 km deep · 93 km away
45. 1.992 km SW of Atka, AlaskaFri, Nov 19, 9:29 PM HAST · 1775 days ago · 34 km deep · 98 km away
46. 1.915 km SSW of Atka, AlaskaSun, Nov 21, 8:11 PM HAST · 1773 days ago · 85 km deep · 64 km away
47. 2.749 km NE of Adak, AlaskaWed, Nov 24, 10:21 PM HAST · 1770 days ago · 151 km deep · 82 km away
48. 2.068 km ENE of Adak, AlaskaThu, Nov 25, 6:56 AM HAST · 1770 days ago · 144 km deep · 63 km away
49. 1.878 km E of Adak, AlaskaFri, Nov 26, 9:28 PM HAST · 1768 days ago · 30 km deep · 80 km away
50. 3.365 km NE of Adak, AlaskaSat, Nov 27, 1:51 PM HAST · 1767 days ago · 191 km deep · 68 km away
51. 2.536 km E of Adak, AlaskaSat, Nov 27, 5:40 PM HAST · 1767 days ago · 130 km deep · 95 km away
52. 3.346 km S of Atka, AlaskaSat, Nov 27, 7:39 PM HAST · 1767 days ago · 56 km deep · 93 km away
53. 2.646 km SW of Atka, AlaskaSat, Nov 27, 10:16 PM HAST · 1767 days ago · 14 km deep · 57 km away
54. 1.951 km ENE of Adak, AlaskaMon, Nov 29, 9:24 PM HAST · 1765 days ago · 89 km deep · 81 km away
55. 2.980 km ESE of Adak, AlaskaWed, Dec 1, 1:55 AM HAST · 1764 days ago · 34 km deep · 98 km away
56. 3.515 km NW of Atka, AlaskaWed, Dec 1, 8:48 AM HAST · 1764 days ago · 178 km deep · 46 km away
57. 2.9Andreanof Islands, Aleutian Islands, AlaskaThu, Dec 2, 11:16 AM HAST · 1762 days ago · 153 km deep · 48 km away
58. 2.956 km N of Atka, AlaskaFri, Dec 3, 5:35 PM HAST · 1761 days ago · 179 km deep · 62 km away
59. 2.07 km E of Atka, AlaskaThu, Dec 9, 9:40 PM HAST · 1755 days ago · 6 km deep · 66 km away
60. 3.274 km ENE of Adak, AlaskaFri, Dec 10, 10:25 PM HAST · 1754 days ago · 185 km deep · 57 km away

The first 60 of 63.

Before

1. 1.890 km ESE of Adak, AlaskaThu, Oct 14, 11:52 PM HADT · 1811 days ago · 54 km deep · 90 km away
2. 3.134 km WSW of Atka, AlaskaThu, Oct 14, 2:52 AM HADT · 1812 days ago · 138 km deep · 51 km away
3. 2.165 km E of Adak, AlaskaSun, Oct 10, 11:04 AM HADT · 1816 days ago · 29 km deep · 85 km away
4. 3.127 km SW of Atka, AlaskaSun, Oct 10, 10:21 AM HADT · 1816 days ago · 35 km deep · 60 km away
5. 3.863 km WSW of Atka, AlaskaSun, Oct 10, 1:59 AM HADT · 1816 days ago · 81 km deep · 59 km away
6. 3.884 km NE of Adak, AlaskaSat, Oct 9, 2:07 PM HADT · 1816 days ago · 182 km deep · 52 km away
7. 1.966 km E of Adak, AlaskaFri, Oct 8, 4:51 PM HADT · 1817 days ago · 62 km deep · 79 km away
8. 3.633 km SSW of Atka, AlaskaWed, Oct 6, 10:09 AM HADT · 1820 days ago · 75 km deep · 76 km away
9. 1.975 km E of Adak, AlaskaTue, Oct 5, 3:27 AM HADT · 1821 days ago · 29 km deep · 79 km away
10. 1.841 km NE of Adak, AlaskaMon, Oct 4, 12:39 PM HADT · 1821 days ago · 3 km deep · 88 km away
11. 1.657 km ENE of Adak, AlaskaFri, Oct 1, 3:16 PM HADT · 1824 days ago · 86 km deep · 75 km away
12. 4.749 km NE of Adak, AlaskaFri, Oct 1, 12:21 PM HADT · 1824 days ago · 129 km deep · 83 km away
13. 3.837 km ENE of Adak, AlaskaThu, Sep 30, 4:32 PM HADT · 1825 days ago · 128 km deep · 93 km away
14. 2.632 km ESE of Atka, AlaskaSun, Sep 26, 4:38 AM HADT · 1830 days ago · 80 km deep · 92 km away
15. 2.951 km SSW of Atka, AlaskaSat, Sep 25, 5:26 PM HADT · 1830 days ago · 35 km deep · 83 km away
16. 1.8Andreanof Islands, Aleutian Islands, AlaskaThu, Sep 23, 1:31 PM HADT · 1832 days ago · 56 km deep · 86 km away
17. 1.945 km NE of Adak, AlaskaThu, Sep 23, 12:25 PM HADT · 1832 days ago · 135 km deep · 87 km away
18. 1.664 km SSW of Atka, AlaskaThu, Sep 23, 6:54 AM HADT · 1833 days ago · 21 km deep · 93 km away
19. 2.182 km ENE of Adak, AlaskaMon, Sep 20, 11:08 PM HADT · 1835 days ago · 90 km deep · 49 km away
20. 1.9Andreanof Islands, Aleutian Islands, AlaskaMon, Sep 20, 1:17 PM HADT · 1835 days ago · 36 km deep · 91 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021d8j56lh. Read Wed, Sep 30, 2026, 7:59 AM UTC.