M1.9 earthquake 54 km SW of Unalaska, Alaska

Magnitude

1.9 (ml), micro

Local time

Sun, Aug 22, 2021, 2:54 PM AKDT

UTC

2021-08-22 22:54:06 UTC

Depth

13.1 km (8.1 mi), shallow

Epicenter

53.583° N, 167.196° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

34

• Unalaska, AlaskaPopulation 4,491. Forecast54 kmSW

After

1. 2.661 km SSE of Unalaska, AlaskaSun, Aug 22, 5:57 PM AKDT · 1861 days ago · 35 km deep · 77 km away
2. 1.767 km SE of Unalaska, AlaskaTue, Aug 24, 8:58 PM AKDT · 1859 days ago · 26 km deep · 93 km away
3. 1.628 km WSW of Unalaska, AlaskaFri, Aug 27, 11:55 PM AKDT · 1856 days ago · 111 km deep · 26 km away
4. 2.066 km SW of Unalaska, AlaskaSat, Aug 28, 5:14 PM AKDT · 1855 days ago · 14 km deep · 12 km away
5. 1.789 km E of Nikolski, AlaskaSun, Aug 29, 1:47 PM AKDT · 1854 days ago · 25 km deep · 86 km away
6. 2.218 km SSE of Unalaska, AlaskaMon, Aug 30, 3:41 AM AKDT · 1854 days ago · 115 km deep · 56 km away
7. 1.984 km E of Nikolski, AlaskaMon, Aug 30, 6:38 PM AKDT · 1853 days ago · 53 km deep · 78 km away
8. 1.688 km SSW of Unalaska, AlaskaTue, Aug 31, 2:50 AM AKDT · 1853 days ago · 24 km deep · 50 km away
9. 2.674 km SSW of Unalaska, AlaskaTue, Aug 31, 8:47 AM AKDT · 1852 days ago · 55 km deep · 47 km away
10. 2.948 km SW of Unalaska, AlaskaThu, Sep 2, 6:59 AM AKDT · 1850 days ago · 96 km deep · 15 km away
11. 3.174 km NNE of Nikolski, AlaskaThu, Sep 2, 7:47 AM AKDT · 1850 days ago · 133 km deep · 84 km away
12. 2.9103 km ESE of Nikolski, AlaskaThu, Sep 2, 1:23 PM AKDT · 1850 days ago · 25 km deep · 93 km away
13. 1.570 km SW of Unalaska, AlaskaFri, Sep 3, 12:45 AM AKDT · 1850 days ago · 31 km deep · 23 km away
14. 2.863 km SSW of Unalaska, AlaskaSat, Sep 4, 9:48 AM AKDT · 1848 days ago · 67 km deep · 30 km away
15. 3.6127 km S of Unalaska, AlaskaSun, Sep 5, 8:28 PM AKDT · 1847 days ago · 7 km deep · 99 km away
16. 2.184 km S of Unalaska, AlaskaSun, Sep 5, 9:18 PM AKDT · 1847 days ago · 26 km deep · 57 km away
17. 1.6124 km S of Unalaska, AlaskaMon, Sep 6, 2:37 PM AKDT · 1846 days ago · 2 km deep · 95 km away
18. 1.645 km ESE of Unalaska, AlaskaThu, Sep 9, 6:33 AM AKDT · 1844 days ago · 63 km deep · 87 km away
19. 1.552 km SW of Unalaska, AlaskaThu, Sep 9, 7:17 AM AKDT · 1843 days ago · 14 km deep · 3 km away
20. 1.578 km SW of Unalaska, AlaskaThu, Sep 9, 8:40 AM AKDT · 1843 days ago · 31 km deep · 24 km away
21. 1.8102 km E of Nikolski, AlaskaFri, Sep 10, 12:35 AM AKDT · 1843 days ago · 25 km deep · 77 km away
22. 1.620 km WSW of Dutch Harbor, AlaskaThu, Sep 16, 2:19 PM AKDT · 1836 days ago · 7 km deep · 37 km away
23. 1.521 km WSW of Dutch Harbor, AlaskaThu, Sep 16, 2:33 PM AKDT · 1836 days ago · 7 km deep · 36 km away
24. 1.621 km WSW of Dutch Harbor, AlaskaThu, Sep 16, 2:59 PM AKDT · 1836 days ago · 7 km deep · 37 km away
25. 1.720 km WSW of Dutch Harbor, AlaskaThu, Sep 16, 3:48 PM AKDT · 1836 days ago · 6 km deep · 37 km away
26. 1.652 km SE of Unalaska, AlaskaThu, Sep 16, 11:24 PM AKDT · 1836 days ago · 25 km deep · 76 km away
27. 1.651 km SW of Unalaska, AlaskaFri, Sep 17, 4:29 AM AKDT · 1836 days ago · 15 km deep · 5 km away
28. 1.981 km SSE of Unalaska, AlaskaFri, Sep 17, 9:22 AM AKDT · 1835 days ago · 25 km deep · 89 km away
29. 3.457 km SSE of Unalaska, AlaskaWed, Sep 22, 1:04 AM AKDT · 1831 days ago · 43 km deep · 76 km away
30. 2.098 km E of Nikolski, AlaskaWed, Sep 22, 7:22 AM AKDT · 1830 days ago · 26 km deep · 78 km away
31. 2.684 km S of Unalaska, AlaskaThu, Sep 23, 5:59 AM AKDT · 1830 days ago · 35 km deep · 58 km away
32. 1.818 km WSW of Dutch Harbor, AlaskaThu, Sep 23, 11:34 PM AKDT · 1829 days ago · 7 km deep · 39 km away
33. 1.820 km WSW of Dutch Harbor, AlaskaThu, Sep 23, 11:59 PM AKDT · 1829 days ago · 5 km deep · 37 km away
34. 1.720 km WSW of Dutch Harbor, AlaskaFri, Sep 24, 12:54 AM AKDT · 1829 days ago · 5 km deep · 37 km away
35. 1.670 km SE of Unalaska, AlaskaFri, Sep 24, 10:36 AM AKDT · 1828 days ago · 25 km deep · 98 km away
36. 1.6Fox Islands, Aleutian Islands, AlaskaSun, Sep 26, 7:21 AM AKDT · 1826 days ago · 23 km deep · 13 km away
37. 3.2109 km SSW of Unalaska, AlaskaMon, Sep 27, 2:29 AM AKDT · 1826 days ago · 29 km deep · 77 km away
38. 2.156 km SW of Unalaska, AlaskaMon, Sep 27, 9:13 AM AKDT · 1825 days ago · 89 km deep · 5 km away
39. 3.085 km SSW of Unalaska, AlaskaMon, Sep 27, 12:21 PM AKDT · 1825 days ago · 35 km deep · 56 km away
40. 1.668 km SE of Unalaska, AlaskaMon, Sep 27, 3:13 PM AKDT · 1825 days ago · 23 km deep · 96 km away
41. 1.9107 km E of Nikolski, AlaskaWed, Sep 29, 3:05 PM AKDT · 1823 days ago · 14 km deep · 73 km away
42. 1.759 km SE of Unalaska, AlaskaFri, Oct 1, 6:31 PM AKDT · 1821 days ago · 13 km deep · 94 km away
43. 2.054 km SSW of Unalaska, AlaskaSun, Oct 3, 10:14 PM AKDT · 1819 days ago · 71 km deep · 23 km away
44. 1.566 km SE of Unalaska, AlaskaMon, Oct 4, 8:48 AM AKDT · 1818 days ago · 24 km deep · 86 km away
45. 2.984 km E of Nikolski, AlaskaWed, Oct 6, 1:27 AM AKDT · 1817 days ago · 35 km deep · 91 km away
46. 1.651 km S of Akutan, AlaskaWed, Oct 6, 8:11 PM AKDT · 1816 days ago · 20 km deep · 95 km away
47. 1.781 km SSE of Unalaska, AlaskaWed, Oct 6, 10:00 PM AKDT · 1816 days ago · 26 km deep · 87 km away
48. 4.177 km SSW of Unalaska, AlaskaFri, Oct 8, 9:59 PM AKDT · 1814 days ago · 44 km deep · 47 km away
49. 1.966 km S of Akutan, AlaskaSat, Oct 9, 11:59 AM AKDT · 1813 days ago · 33 km deep · 99 km away
50. 2.088 km S of Unalaska, AlaskaSun, Oct 10, 9:20 PM AKDT · 1812 days ago · 41 km deep · 61 km away
51. 3.1106 km W of Dutch Harbor, AlaskaMon, Oct 11, 12:35 PM AKDT · 1811 days ago · 14 km deep · 78 km away
52. 3.091 km SW of Unalaska, AlaskaMon, Oct 11, 1:26 PM AKDT · 1811 days ago · 35 km deep · 40 km away
53. 2.150 km ENE of Nikolski, AlaskaMon, Oct 11, 6:08 PM AKDT · 1811 days ago · 65 km deep · 85 km away
54. 3.782 km E of Nikolski, AlaskaWed, Oct 13, 2:17 PM AKDT · 1809 days ago · 42 km deep · 88 km away
55. 2.010 km ENE of Unalaska, AlaskaWed, Oct 13, 4:43 PM AKDT · 1809 days ago · 92 km deep · 64 km away
56. 2.082 km SW of Unalaska, AlaskaWed, Oct 13, 5:37 PM AKDT · 1809 days ago · 73 km deep · 28 km away
57. 1.8103 km ESE of Nikolski, AlaskaWed, Oct 13, 5:39 PM AKDT · 1809 days ago · 26 km deep · 96 km away
58. 2.882 km S of Unalaska, AlaskaThu, Oct 14, 4:29 AM AKDT · 1809 days ago · 34 km deep · 57 km away
59. 3.887 km SSW of Unalaska, AlaskaThu, Oct 14, 12:19 PM AKDT · 1808 days ago · 35 km deep · 55 km away
60. 2.890 km S of Unalaska, AlaskaFri, Oct 15, 4:20 AM AKDT · 1808 days ago · 35 km deep · 63 km away

The first 60 of 65.

Before

1. 1.768 km E of Nikolski, AlaskaSat, Aug 21, 3:24 AM AKDT · 1863 days ago · 30 km deep · 87 km away
2. 1.617 km SSW of Unalaska, AlaskaSat, Aug 21, 12:26 AM AKDT · 1863 days ago · 77 km deep · 42 km away
3. 1.595 km E of Nikolski, AlaskaWed, Aug 18, 2:48 PM AKDT · 1865 days ago · 49 km deep · 76 km away
4. 4.670 km E of Nikolski, AlaskaTue, Aug 17, 9:11 AM AKDT · 1866 days ago · 43 km deep · 82 km away · felt by 1
5. 4.086 km E of Nikolski, AlaskaTue, Aug 17, 9:10 AM AKDT · 1866 days ago · 35 km deep · 86 km away
6. 1.5Fox Islands, Aleutian Islands, AlaskaTue, Aug 17, 4:42 AM AKDT · 1867 days ago · 42 km deep · 66 km away
7. 1.962 km E of Nikolski, AlaskaTue, Aug 17, 3:53 AM AKDT · 1867 days ago · 67 km deep · 87 km away
8. 1.786 km SSW of Unalaska, AlaskaSat, Aug 14, 2:17 PM AKDT · 1869 days ago · 26 km deep · 57 km away
9. 1.743 km SW of Unalaska, AlaskaSat, Aug 14, 8:23 AM AKDT · 1869 days ago · 8 km deep · 13 km away
10. 1.585 km ESE of Nikolski, AlaskaThu, Aug 12, 5:55 AM AKDT · 1872 days ago · 26 km deep · 96 km away
11. 1.669 km SE of Unalaska, AlaskaTue, Aug 10, 10:35 PM AKDT · 1873 days ago · 26 km deep · 96 km away
12. 1.658 km SW of Unalaska, AlaskaTue, Aug 10, 5:45 AM AKDT · 1874 days ago · 74 km deep · 19 km away
13. 1.582 km SSW of Unalaska, AlaskaMon, Aug 9, 6:52 PM AKDT · 1874 days ago · 25 km deep · 49 km away
14. 1.792 km E of Nikolski, AlaskaMon, Aug 9, 6:03 AM AKDT · 1875 days ago · 26 km deep · 70 km away
15. 1.949 km SSE of Unalaska, AlaskaSat, Aug 7, 6:51 PM AKDT · 1876 days ago · 60 km deep · 69 km away
16. 2.0100 km E of Nikolski, AlaskaFri, Aug 6, 8:44 PM AKDT · 1877 days ago · 26 km deep · 81 km away
17. 3.426 km ESE of Unalaska, AlaskaFri, Aug 6, 4:28 PM AKDT · 1877 days ago · 83 km deep · 69 km away
18. 1.789 km SSW of Unalaska, AlaskaWed, Aug 4, 10:44 PM AKDT · 1879 days ago · 26 km deep · 56 km away
19. 1.688 km SSW of Unalaska, AlaskaWed, Aug 4, 10:32 PM AKDT · 1879 days ago · 26 km deep · 54 km away
20. 3.588 km SSW of Unalaska, AlaskaWed, Aug 4, 10:22 PM AKDT · 1879 days ago · 35 km deep · 53 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021ard6byh. Read Sun, Sep 27, 2026, 2:25 AM UTC.