M2.1 earthquake 133 km W of Adak, Alaska

Magnitude

2.1 (ml), micro

Local time

Mon, Aug 2, 2021, 6:36 PM HADT

UTC

2021-08-03 03:36:16 UTC

Depth

139.2 km (86.5 mi), intermediate-depth

Epicenter

51.906° N, 178.580° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

29

After

1. 1.546 km WSW of Adak, AlaskaMon, Aug 2, 11:43 PM HADT · 1878 days ago · 75 km deep · 94 km away
2. 1.6Andreanof Islands, Aleutian Islands, AlaskaTue, Aug 3, 6:33 AM HADT · 1878 days ago · 13 km deep · 57 km away
3. 1.982 km W of Adak, AlaskaTue, Aug 3, 1:00 PM HADT · 1878 days ago · 7 km deep · 51 km away
4. 1.6117 km WSW of Adak, AlaskaTue, Aug 3, 7:12 PM HADT · 1877 days ago · 45 km deep · 59 km away
5. 1.677 km SW of Adak, AlaskaWed, Aug 4, 2:09 AM HADT · 1877 days ago · 29 km deep · 87 km away
6. 3.4142 km WSW of Adak, AlaskaWed, Aug 4, 10:03 AM HADT · 1877 days ago · 32 km deep · 73 km away
7. 1.9122 km WSW of Adak, AlaskaWed, Aug 4, 10:05 PM HADT · 1876 days ago · 25 km deep · 60 km away
8. 2.0137 km SW of Adak, AlaskaThu, Aug 5, 8:52 AM HADT · 1876 days ago · 26 km deep · 94 km away
9. 1.8131 km SW of Adak, AlaskaThu, Aug 5, 9:25 AM HADT · 1876 days ago · 26 km deep · 87 km away
10. 2.068 km W of Adak, AlaskaFri, Aug 6, 1:21 AM HADT · 1875 days ago · 73 km deep · 68 km away
11. 2.874 km SW of Adak, AlaskaFri, Aug 6, 3:28 AM HADT · 1875 days ago · 61 km deep · 99 km away
12. 2.0204 km WSW of Adak, AlaskaSat, Aug 7, 10:29 AM HADT · 1874 days ago · 70 km deep · 79 km away
13. 1.889 km SW of Adak, AlaskaSat, Aug 7, 10:36 AM HADT · 1874 days ago · 33 km deep · 81 km away
14. 1.9Andreanof Islands, Aleutian Islands, AlaskaSat, Aug 7, 6:29 PM HADT · 1873 days ago · 13 km deep · 87 km away
15. 3.6127 km WSW of Adak, AlaskaSat, Aug 7, 8:41 PM HADT · 1873 days ago · 35 km deep · 74 km away
16. 1.684 km WSW of Adak, AlaskaSat, Aug 7, 9:09 PM HADT · 1873 days ago · 13 km deep · 76 km away
17. 1.584 km WSW of Adak, AlaskaSat, Aug 7, 9:32 PM HADT · 1873 days ago · 24 km deep · 72 km away
18. 4.0204 km W of Adak, AlaskaMon, Aug 9, 4:39 AM HADT · 1872 days ago · 169 km deep · 71 km away
19. 1.582 km W of Adak, AlaskaMon, Aug 9, 10:35 AM HADT · 1872 days ago · 7 km deep · 52 km away
20. 1.687 km WSW of Adak, AlaskaMon, Aug 9, 3:16 PM HADT · 1871 days ago · 13 km deep · 77 km away
21. 1.682 km WSW of Adak, AlaskaMon, Aug 9, 3:37 PM HADT · 1871 days ago · 25 km deep · 72 km away
22. 1.7184 km W of Adak, AlaskaTue, Aug 10, 6:35 PM HADT · 1870 days ago · 139 km deep · 51 km away
23. 2.0230 km W of Adak, AlaskaTue, Aug 10, 10:42 PM HADT · 1870 days ago · 186 km deep · 100 km away
24. 1.7100 km SW of Adak, AlaskaTue, Aug 10, 10:49 PM HADT · 1870 days ago · 26 km deep · 97 km away
25. 1.535 km W of Adak, AlaskaWed, Aug 11, 4:17 AM HADT · 1870 days ago · 93 km deep · 99 km away
26. 1.6206 km WSW of Adak, AlaskaWed, Aug 11, 5:16 AM HADT · 1870 days ago · 47 km deep · 88 km away
27. 1.7111 km WSW of Adak, AlaskaWed, Aug 11, 8:07 PM HADT · 1869 days ago · 13 km deep · 59 km away
28. 1.5213 km W of Adak, AlaskaWed, Aug 11, 9:01 PM HADT · 1869 days ago · 73 km deep · 83 km away
29. 2.1114 km WSW of Adak, AlaskaThu, Aug 12, 6:59 AM HADT · 1869 days ago · 26 km deep · 63 km away
30. 2.078 km SW of Adak, AlaskaThu, Aug 12, 7:51 AM HADT · 1869 days ago · 24 km deep · 87 km away
31. 1.7176 km WSW of Adak, AlaskaThu, Aug 12, 3:03 PM HADT · 1868 days ago · 17 km deep · 68 km away
32. 1.8121 km WSW of Adak, AlaskaThu, Aug 12, 7:34 PM HADT · 1868 days ago · 8 km deep · 59 km away
33. 1.5129 km WSW of Adak, AlaskaFri, Aug 13, 5:33 AM HADT · 1868 days ago · 7 km deep · 31 km away
34. 1.6115 km WSW of Adak, AlaskaFri, Aug 13, 12:13 PM HADT · 1868 days ago · 24 km deep · 66 km away
35. 1.7150 km W of Adak, AlaskaFri, Aug 13, 11:14 PM HADT · 1867 days ago · 4 km deep · 21 km away
36. 1.783 km SW of Adak, AlaskaFri, Aug 13, 11:26 PM HADT · 1867 days ago · 30 km deep · 82 km away
37. 1.7199 km WSW of Adak, AlaskaSat, Aug 14, 12:46 AM HADT · 1867 days ago · 26 km deep · 96 km away
38. 1.6133 km WSW of Adak, AlaskaSat, Aug 14, 1:10 AM HADT · 1867 days ago · 7 km deep · 30 km away
39. 1.7136 km SW of Adak, AlaskaSat, Aug 14, 7:45 PM HADT · 1866 days ago · 26 km deep · 91 km away
40. 1.7134 km SW of Adak, AlaskaSat, Aug 14, 7:49 PM HADT · 1866 days ago · 18 km deep · 98 km away
41. 1.8134 km SW of Adak, AlaskaSat, Aug 14, 7:50 PM HADT · 1866 days ago · 26 km deep · 91 km away
42. 1.8216 km W of Adak, AlaskaSun, Aug 15, 7:39 PM HADT · 1865 days ago · 74 km deep · 86 km away
43. 1.793 km WSW of Adak, AlaskaMon, Aug 16, 2:35 AM HADT · 1865 days ago · 13 km deep · 65 km away
44. 3.2196 km WSW of Adak, AlaskaMon, Aug 16, 7:23 AM HADT · 1865 days ago · 35 km deep · 100 km away
45. 2.760 km SW of Adak, AlaskaMon, Aug 16, 8:48 PM HADT · 1864 days ago · 69 km deep · 98 km away
46. 1.6132 km WSW of Adak, AlaskaTue, Aug 17, 9:16 AM HADT · 1864 days ago · 7 km deep · 31 km away
47. 3.2216 km WSW of Adak, AlaskaTue, Aug 17, 10:27 AM HADT · 1864 days ago · 35 km deep · 92 km away
48. 2.1128 km SW of Adak, AlaskaTue, Aug 17, 2:13 PM HADT · 1863 days ago · 26 km deep · 90 km away
49. 2.3169 km W of Adak, AlaskaTue, Aug 17, 6:25 PM HADT · 1863 days ago · 243 km deep · 36 km away
50. 1.956 km W of Adak, AlaskaWed, Aug 18, 3:50 AM HADT · 1863 days ago · 92 km deep · 78 km away
51. 1.6121 km W of Adak, AlaskaWed, Aug 18, 5:17 AM HADT · 1863 days ago · 92 km deep · 22 km away
52. 2.5135 km WSW of Adak, AlaskaWed, Aug 18, 11:12 AM HADT · 1863 days ago · 35 km deep · 77 km away
53. 3.6141 km WSW of Adak, AlaskaWed, Aug 18, 1:26 PM HADT · 1863 days ago · 31 km deep · 70 km away
54. 1.8175 km WSW of Adak, AlaskaWed, Aug 18, 6:20 PM HADT · 1862 days ago · 72 km deep · 58 km away
55. 1.654 km WNW of Adak, AlaskaWed, Aug 18, 11:08 PM HADT · 1862 days ago · 128 km deep · 83 km away
56. 1.6219 km W of Adak, AlaskaThu, Aug 19, 8:30 AM HADT · 1862 days ago · 92 km deep · 86 km away
57. 1.6197 km WSW of Adak, AlaskaThu, Aug 19, 9:53 AM HADT · 1862 days ago · 75 km deep · 74 km away
58. 2.9113 km WSW of Adak, AlaskaThu, Aug 19, 11:16 AM HADT · 1862 days ago · 66 km deep · 54 km away
59. 1.7120 km WSW of Adak, AlaskaThu, Aug 19, 5:36 PM HADT · 1861 days ago · 66 km deep · 46 km away
60. 1.9156 km WSW of Adak, AlaskaThu, Aug 19, 10:20 PM HADT · 1861 days ago · 17 km deep · 87 km away

The first 60 of 173.

Before

1. 1.582 km WSW of Adak, AlaskaMon, Aug 2, 4:44 PM HADT · 1878 days ago · 38 km deep · 79 km away
2. 1.669 km WSW of Adak, AlaskaMon, Aug 2, 2:12 PM HADT · 1878 days ago · 71 km deep · 69 km away
3. 1.8159 km WSW of Adak, AlaskaSun, Aug 1, 7:35 PM HADT · 1879 days ago · 25 km deep · 79 km away
4. 4.0123 km WSW of Adak, AlaskaSun, Aug 1, 8:28 AM HADT · 1880 days ago · 47 km deep · 70 km away
5. 1.773 km W of Adak, AlaskaSun, Aug 1, 7:21 AM HADT · 1880 days ago · 73 km deep · 64 km away
6. 1.6117 km WSW of Adak, AlaskaSat, Jul 31, 3:42 PM HADT · 1880 days ago · 47 km deep · 57 km away
7. 1.8Andreanof Islands, Aleutian Islands, AlaskaSat, Jul 31, 6:02 AM HADT · 1881 days ago · 18 km deep · 82 km away
8. 1.8148 km WSW of Adak, AlaskaFri, Jul 30, 4:30 AM HADT · 1882 days ago · 24 km deep · 84 km away
9. 1.767 km W of Adak, AlaskaThu, Jul 29, 2:09 PM HADT · 1882 days ago · 93 km deep · 67 km away
10. 1.781 km SW of Adak, AlaskaThu, Jul 29, 1:29 AM HADT · 1883 days ago · 25 km deep · 96 km away
11. 1.550 km WSW of Adak, AlaskaThu, Jul 29, 12:25 AM HADT · 1883 days ago · 74 km deep · 86 km away
12. 1.897 km WSW of Adak, AlaskaWed, Jul 28, 10:15 PM HADT · 1883 days ago · 62 km deep · 68 km away
13. 1.5131 km WSW of Adak, AlaskaWed, Jul 28, 8:23 PM HADT · 1883 days ago · 26 km deep · 63 km away
14. 2.7123 km WSW of Adak, AlaskaWed, Jul 28, 11:30 AM HADT · 1884 days ago · 29 km deep · 65 km away
15. 1.7117 km WSW of Adak, AlaskaWed, Jul 28, 11:12 AM HADT · 1884 days ago · 38 km deep · 66 km away
16. 4.0Andreanof Islands, Aleutian Islands, AlaskaWed, Jul 28, 8:31 AM HADT · 1884 days ago · 38 km deep · 83 km away
17. 1.8183 km WSW of Adak, AlaskaTue, Jul 27, 2:17 AM HADT · 1885 days ago · 20 km deep · 94 km away
18. 2.7141 km SW of Adak, AlaskaMon, Jul 26, 9:44 PM HADT · 1885 days ago · 35 km deep · 87 km away
19. 1.6145 km WSW of Adak, AlaskaMon, Jul 26, 6:15 PM HADT · 1885 days ago · 69 km deep · 44 km away
20. 2.045 km WSW of Adak, AlaskaMon, Jul 26, 12:50 PM HADT · 1886 days ago · 70 km deep · 100 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0219vmjo2z. Read Thu, Sep 24, 2026, 10:20 AM UTC.