M1.5 earthquake 97 km WSW of Adak, Alaska

Magnitude

1.5 (ml), micro

Local time

Sat, Aug 28, 2021, 2:05 PM HADT

UTC

2021-08-28 23:05:00 UTC

Depth

72.8 km (45.2 mi), intermediate-depth

Epicenter

51.587° N, 177.972° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

31

After

1. 1.759 km W of Adak, AlaskaSun, Aug 29, 2:12 AM HADT · 1852 days ago · 7 km deep · 41 km away
2. 1.8145 km WSW of Adak, AlaskaSun, Aug 29, 3:41 AM HADT · 1852 days ago · 23 km deep · 53 km away
3. 1.846 km NNW of Adak, AlaskaSun, Aug 29, 5:06 PM HADT · 1851 days ago · 138 km deep · 97 km away
4. 2.5141 km WSW of Adak, AlaskaSun, Aug 29, 8:29 PM HADT · 1851 days ago · 30 km deep · 44 km away
5. 1.9111 km WSW of Adak, AlaskaSun, Aug 29, 8:57 PM HADT · 1851 days ago · 13 km deep · 14 km away
6. 1.979 km SSW of Adak, AlaskaTue, Aug 31, 6:19 AM HADT · 1850 days ago · 28 km deep · 72 km away
7. 1.6194 km WSW of Adak, AlaskaWed, Sep 1, 11:00 PM HADT · 1848 days ago · 5 km deep · 98 km away
8. 1.710 km SSE of Adak, AlaskaFri, Sep 3, 2:30 AM HADT · 1847 days ago · 156 km deep · 98 km away
9. 1.5Andreanof Islands, Aleutian Islands, AlaskaFri, Sep 3, 3:43 AM HADT · 1847 days ago · 42 km deep · 65 km away
10. 1.5124 km WSW of Adak, AlaskaFri, Sep 3, 6:19 AM HADT · 1847 days ago · 7 km deep · 28 km away
11. 3.0123 km WSW of Adak, AlaskaSat, Sep 4, 3:07 PM HADT · 1846 days ago · 33 km deep · 28 km away
12. 1.8124 km WSW of Adak, AlaskaSat, Sep 4, 6:04 PM HADT · 1845 days ago · 70 km deep · 28 km away
13. 1.9134 km W of Adak, AlaskaSat, Sep 4, 10:19 PM HADT · 1845 days ago · 113 km deep · 56 km away
14. 1.7189 km WSW of Adak, AlaskaSun, Sep 5, 12:44 AM HADT · 1845 days ago · 3 km deep · 94 km away
15. 1.6124 km W of Adak, AlaskaSun, Sep 5, 1:14 AM HADT · 1845 days ago · 11 km deep · 41 km away
16. 1.766 km SW of Adak, AlaskaSun, Sep 5, 5:37 PM HADT · 1844 days ago · 74 km deep · 38 km away
17. 1.6124 km SW of Adak, AlaskaTue, Sep 7, 6:53 AM HADT · 1843 days ago · 26 km deep · 47 km away
18. 2.9177 km WSW of Adak, AlaskaTue, Sep 7, 6:21 PM HADT · 1842 days ago · 30 km deep · 82 km away
19. 1.5185 km W of Adak, AlaskaTue, Sep 7, 8:33 PM HADT · 1842 days ago · 15 km deep · 97 km away
20. 1.8114 km WSW of Adak, AlaskaTue, Sep 7, 9:55 PM HADT · 1842 days ago · 15 km deep · 17 km away
21. 1.649 km SW of Adak, AlaskaTue, Sep 7, 11:09 PM HADT · 1842 days ago · 44 km deep · 61 km away
22. 1.6168 km WSW of Adak, AlaskaTue, Sep 7, 11:43 PM HADT · 1842 days ago · 26 km deep · 74 km away
23. 1.5155 km W of Adak, AlaskaWed, Sep 8, 6:01 AM HADT · 1842 days ago · 2 km deep · 67 km away
24. 2.9126 km SW of Adak, AlaskaThu, Sep 9, 2:23 PM HADT · 1841 days ago · 35 km deep · 49 km away
25. 2.1147 km SW of Adak, AlaskaThu, Sep 9, 2:43 PM HADT · 1841 days ago · 26 km deep · 67 km away
26. 1.5Andreanof Islands, Aleutian Islands, AlaskaThu, Sep 9, 8:27 PM HADT · 1840 days ago · 59 km deep · 32 km away
27. 1.7169 km W of Adak, AlaskaFri, Sep 10, 10:30 PM HADT · 1839 days ago · 12 km deep · 78 km away
28. 1.5153 km WSW of Adak, AlaskaSat, Sep 11, 6:04 AM HADT · 1839 days ago · 14 km deep · 56 km away
29. 1.6146 km W of Adak, AlaskaSun, Sep 12, 6:49 AM HADT · 1838 days ago · 16 km deep · 57 km away
30. 2.7133 km W of Adak, AlaskaSun, Sep 12, 11:47 AM HADT · 1838 days ago · 141 km deep · 56 km away
31. 1.782 km W of Adak, AlaskaMon, Sep 13, 3:35 AM HADT · 1837 days ago · 12 km deep · 29 km away
32. 1.8184 km WSW of Adak, AlaskaMon, Sep 13, 5:14 AM HADT · 1837 days ago · 22 km deep · 88 km away
33. 3.692 km SW of Adak, AlaskaMon, Sep 13, 6:44 AM HADT · 1837 days ago · 35 km deep · 32 km away
34. 1.6194 km WSW of Adak, AlaskaMon, Sep 13, 9:09 AM HADT · 1837 days ago · 20 km deep · 96 km away
35. 1.553 km SW of Adak, AlaskaMon, Sep 13, 9:31 AM HADT · 1837 days ago · 46 km deep · 56 km away
36. 1.565 km SW of Adak, AlaskaWed, Sep 15, 5:52 PM HADT · 1834 days ago · 23 km deep · 46 km away
37. 2.0133 km W of Adak, AlaskaWed, Sep 15, 7:55 PM HADT · 1834 days ago · 15 km deep · 42 km away
38. 2.1136 km W of Adak, AKWed, Sep 15, 7:55 PM HADT · 1834 days ago · 17 km deep · 44 km away
39. 2.068 km SW of Adak, AlaskaFri, Sep 17, 12:31 AM HADT · 1833 days ago · 35 km deep · 37 km away
40. 3.224 km SSW of Adak, AlaskaFri, Sep 17, 12:40 PM HADT · 1833 days ago · 77 km deep · 87 km away
41. 2.0114 km WSW of Adak, AlaskaSun, Sep 19, 8:47 AM HADT · 1831 days ago · 48 km deep · 26 km away
42. 1.5114 km WSW of Adak, AlaskaSun, Sep 19, 11:41 AM HADT · 1831 days ago · 14 km deep · 17 km away
43. 1.644 km SSW of Adak, AlaskaSun, Sep 19, 7:25 PM HADT · 1830 days ago · 36 km deep · 85 km away
44. 1.688 km SW of Adak, AlaskaMon, Sep 20, 2:38 AM HADT · 1830 days ago · 37 km deep · 34 km away
45. 1.6124 km WSW of Adak, AlaskaMon, Sep 20, 3:25 AM HADT · 1830 days ago · 15 km deep · 28 km away
46. 2.1135 km W of Adak, AlaskaMon, Sep 20, 7:27 AM HADT · 1830 days ago · 133 km deep · 65 km away
47. 1.9100 km WSW of Adak, AlaskaMon, Sep 20, 5:19 PM HADT · 1829 days ago · 58 km deep · 17 km away
48. 1.872 km WSW of Adak, AlaskaTue, Sep 21, 3:44 AM HADT · 1829 days ago · 14 km deep · 29 km away
49. 2.0168 km WSW of Adak, AlaskaWed, Sep 22, 8:04 AM HADT · 1828 days ago · 26 km deep · 71 km away
50. 1.896 km SW of Adak, AlaskaWed, Sep 22, 10:24 AM HADT · 1828 days ago · 33 km deep · 24 km away
51. 1.9129 km W of Adak, AlaskaWed, Sep 22, 5:02 PM HADT · 1827 days ago · 13 km deep · 38 km away
52. 1.8129 km WSW of Adak, AlaskaWed, Sep 22, 8:38 PM HADT · 1827 days ago · 11 km deep · 32 km away
53. 1.6165 km WSW of Adak, AlaskaThu, Sep 23, 12:37 AM HADT · 1827 days ago · 24 km deep · 70 km away
54. 1.788 km WSW of Adak, AlaskaThu, Sep 23, 4:09 AM HADT · 1827 days ago · 60 km deep · 15 km away
55. 2.0133 km W of Adak, AlaskaThu, Sep 23, 2:46 PM HADT · 1827 days ago · 132 km deep · 62 km away
56. 3.1121 km WSW of Adak, AlaskaThu, Sep 23, 3:00 PM HADT · 1827 days ago · 78 km deep · 26 km away
57. 5.5185 km WSW of Adak, AlaskaThu, Sep 23, 10:02 PM HADT · 1826 days ago · 18 km deep · 89 km away
58. 3.2187 km WSW of Adak, AlaskaThu, Sep 23, 10:08 PM HADT · 1826 days ago · 33 km deep · 91 km away
59. 3.4184 km WSW of Adak, AlaskaThu, Sep 23, 10:13 PM HADT · 1826 days ago · 28 km deep · 88 km away
60. 1.7Andreanof Islands, Aleutian Islands, AlaskaThu, Sep 23, 10:14 PM HADT · 1826 days ago · 21 km deep · 88 km away

The first 60 of 132.

Before

1. 1.9141 km WSW of Adak, AlaskaSat, Aug 28, 2:03 PM HADT · 1853 days ago · 9 km deep · 43 km away
2. 1.8Andreanof Islands, Aleutian Islands, AlaskaSat, Aug 28, 1:38 PM HADT · 1853 days ago · 13 km deep · 43 km away
3. 2.683 km SW of Adak, AlaskaSat, Aug 28, 12:01 PM HADT · 1853 days ago · 33 km deep · 31 km away
4. 2.687 km WSW of Adak, AlaskaSat, Aug 28, 9:57 AM HADT · 1853 days ago · 33 km deep · 19 km away
5. 3.534 km S of Adak, AlaskaSat, Aug 28, 7:12 AM HADT · 1853 days ago · 46 km deep · 97 km away
6. 3.2122 km SW of Adak, AlaskaSat, Aug 28, 1:14 AM HADT · 1853 days ago · 27 km deep · 47 km away
7. 1.559 km W of Adak, AlaskaFri, Aug 27, 7:15 PM HADT · 1853 days ago · 12 km deep · 41 km away
8. 1.559 km W of Adak, AlaskaFri, Aug 27, 6:10 PM HADT · 1853 days ago · 7 km deep · 40 km away
9. 1.5171 km W of Adak, AlaskaFri, Aug 27, 1:13 PM HADT · 1854 days ago · 5 km deep · 80 km away
10. 1.543 km SW of Adak, AlaskaFri, Aug 27, 11:02 AM HADT · 1854 days ago · 64 km deep · 61 km away
11. 2.062 km SSW of Adak, AlaskaThu, Aug 26, 10:26 AM HADT · 1855 days ago · 29 km deep · 66 km away
12. 1.665 km SSW of Adak, AlaskaThu, Aug 26, 9:09 AM HADT · 1855 days ago · 48 km deep · 63 km away
13. 1.6141 km WSW of Adak, AlaskaWed, Aug 25, 9:06 PM HADT · 1855 days ago · 13 km deep · 44 km away
14. 1.5139 km WSW of Adak, AlaskaWed, Aug 25, 4:36 PM HADT · 1855 days ago · 22 km deep · 42 km away
15. 1.8137 km WSW of Adak, AlaskaWed, Aug 25, 3:59 PM HADT · 1855 days ago · 9 km deep · 40 km away
16. 3.4142 km WSW of Adak, AlaskaWed, Aug 25, 2:08 PM HADT · 1856 days ago · 17 km deep · 45 km away
17. 2.020 km WSW of Adak, AlaskaWed, Aug 25, 12:04 AM HADT · 1856 days ago · 77 km deep · 77 km away
18. 2.5Andreanof Islands, Aleutian Islands, AlaskaTue, Aug 24, 6:05 PM HADT · 1856 days ago · 35 km deep · 42 km away
19. 3.6134 km WSW of Adak, AlaskaTue, Aug 24, 9:33 AM HADT · 1857 days ago · 41 km deep · 42 km away
20. 1.9135 km WSW of Adak, AlaskaTue, Aug 24, 3:05 AM HADT · 1857 days ago · 35 km deep · 43 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021b1apc3j. Read Thu, Sep 24, 2026, 12:07 PM UTC.