M1.7 earthquake 184 km W of Adak, Alaska

Magnitude

1.7 (ml), micro

Local time

Tue, Aug 10, 2021, 6:35 PM HADT

UTC

2021-08-11 03:35:28 UTC

Depth

139.1 km (86.4 mi), intermediate-depth

Epicenter

51.818° N, 179.309° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

14

After

1. 1.9245 km W of Adak, AlaskaWed, Aug 11, 5:42 PM GMT+12 · 1870 days ago · 168 km deep · 67 km away
2. 2.0230 km W of Adak, AlaskaTue, Aug 10, 10:42 PM HADT · 1870 days ago · 186 km deep · 62 km away
3. 1.6206 km WSW of Adak, AlaskaWed, Aug 11, 5:16 AM HADT · 1870 days ago · 47 km deep · 53 km away
4. 1.6243 km WSW of Adak, AlaskaThu, Aug 12, 12:22 PM GMT+12 · 1870 days ago · 17 km deep · 74 km away
5. 3.3233 km WSW of Adak, AlaskaWed, Aug 11, 5:23 PM HADT · 1869 days ago · 65 km deep · 59 km away
6. 1.7111 km WSW of Adak, AlaskaWed, Aug 11, 8:07 PM HADT · 1869 days ago · 13 km deep · 92 km away
7. 1.5213 km W of Adak, AlaskaWed, Aug 11, 9:01 PM HADT · 1869 days ago · 73 km deep · 34 km away
8. 1.5265 km W of Adak, AlaskaFri, Aug 13, 1:40 AM GMT+12 · 1869 days ago · 20 km deep · 82 km away
9. 2.1114 km WSW of Adak, AlaskaThu, Aug 12, 6:59 AM HADT · 1869 days ago · 26 km deep · 93 km away
10. 2.0245 km WSW of Adak, AlaskaThu, Aug 12, 7:46 AM GMT-12 · 1869 days ago · 13 km deep · 91 km away
11. 1.7176 km WSW of Adak, AlaskaThu, Aug 12, 3:03 PM HADT · 1869 days ago · 17 km deep · 53 km away
12. 1.8121 km WSW of Adak, AlaskaThu, Aug 12, 7:34 PM HADT · 1868 days ago · 8 km deep · 86 km away
13. 1.5129 km WSW of Adak, AlaskaFri, Aug 13, 5:33 AM HADT · 1868 days ago · 7 km deep · 61 km away
14. 1.6115 km WSW of Adak, AlaskaFri, Aug 13, 12:13 PM HADT · 1868 days ago · 24 km deep · 95 km away
15. 1.7150 km W of Adak, AlaskaFri, Aug 13, 11:14 PM HADT · 1867 days ago · 4 km deep · 34 km away
16. 1.7199 km WSW of Adak, AlaskaSat, Aug 14, 12:46 AM HADT · 1867 days ago · 26 km deep · 74 km away
17. 1.6133 km WSW of Adak, AlaskaSat, Aug 14, 1:10 AM HADT · 1867 days ago · 7 km deep · 58 km away
18. 2.8205 km WSW of Adak, AlaskaSat, Aug 14, 2:26 AM HADT · 1867 days ago · 33 km deep · 78 km away
19. 3.1216 km WSW of Adak, AlaskaSun, Aug 15, 7:04 AM HADT · 1866 days ago · 12 km deep · 93 km away
20. 1.8216 km W of Adak, AlaskaSun, Aug 15, 7:39 PM HADT · 1865 days ago · 74 km deep · 36 km away
21. 1.7228 km WSW of Adak, AlaskaSun, Aug 15, 8:44 PM HADT · 1865 days ago · 19 km deep · 68 km away
22. 3.2196 km WSW of Adak, AlaskaMon, Aug 16, 7:23 AM HADT · 1865 days ago · 35 km deep · 82 km away
23. 1.6256 km W of Adak, AlaskaTue, Aug 17, 10:06 PM GMT+12 · 1864 days ago · 15 km deep · 73 km away
24. 1.5267 km W of Adak, AlaskaTue, Aug 17, 10:27 PM GMT+12 · 1864 days ago · 67 km deep · 84 km away
25. 1.6132 km WSW of Adak, AlaskaTue, Aug 17, 9:16 AM HADT · 1864 days ago · 7 km deep · 59 km away
26. 3.2216 km WSW of Adak, AlaskaTue, Aug 17, 10:27 AM HADT · 1864 days ago · 35 km deep · 49 km away
27. 2.3169 km W of Adak, AlaskaTue, Aug 17, 6:25 PM HADT · 1863 days ago · 243 km deep · 18 km away
28. 1.9241 km WSW of Adak, AlaskaTue, Aug 17, 8:41 PM GMT-12 · 1863 days ago · 26 km deep · 97 km away
29. 1.8243 km WSW of Adak, AlaskaTue, Aug 17, 8:48 PM GMT-12 · 1863 days ago · 39 km deep · 89 km away
30. 2.6257 km W of Adak, AlaskaWed, Aug 18, 9:10 PM GMT+12 · 1863 days ago · 10 km deep · 74 km away
31. 1.6121 km W of Adak, AlaskaWed, Aug 18, 5:17 AM HADT · 1863 days ago · 92 km deep · 64 km away
32. 2.5135 km WSW of Adak, AlaskaWed, Aug 18, 11:12 AM HADT · 1863 days ago · 35 km deep · 95 km away
33. 3.6141 km WSW of Adak, AlaskaWed, Aug 18, 1:26 PM HADT · 1863 days ago · 31 km deep · 84 km away
34. 1.8175 km WSW of Adak, AlaskaWed, Aug 18, 6:20 PM HADT · 1862 days ago · 72 km deep · 38 km away
35. 1.6219 km W of Adak, AlaskaThu, Aug 19, 8:30 AM HADT · 1862 days ago · 92 km deep · 35 km away
36. 1.6197 km WSW of Adak, AlaskaThu, Aug 19, 9:53 AM HADT · 1862 days ago · 75 km deep · 36 km away
37. 2.9113 km WSW of Adak, AlaskaThu, Aug 19, 11:16 AM HADT · 1862 days ago · 66 km deep · 87 km away
38. 1.7120 km WSW of Adak, AlaskaThu, Aug 19, 5:36 PM HADT · 1861 days ago · 66 km deep · 77 km away
39. 3.6262 km W of Adak, AlaskaFri, Aug 20, 6:10 PM GMT+12 · 1861 days ago · 80 km deep · 79 km away
40. 1.9156 km WSW of Adak, AlaskaThu, Aug 19, 10:20 PM HADT · 1861 days ago · 17 km deep · 94 km away
41. 2.9256 km WSW of Adak, AlaskaSat, Aug 21, 9:32 AM GMT+12 · 1861 days ago · 25 km deep · 88 km away
42. 2.5246 km WSW of Adak, AlaskaSat, Aug 21, 3:57 PM GMT-12 · 1859 days ago · 10 km deep · 97 km away
43. 4.8128 km WSW of Adak, AlaskaSun, Aug 22, 2:45 AM HADT · 1859 days ago · 52 km deep · 82 km away · felt by 1
44. 4.0131 km WSW of Adak, AlaskaSun, Aug 22, 2:46 AM HADT · 1859 days ago · 35 km deep · 89 km away
45. 2.8132 km WSW of Adak, AlaskaSun, Aug 22, 2:47 AM HADT · 1859 days ago · 35 km deep · 87 km away
46. 3.4133 km WSW of Adak, AlaskaSun, Aug 22, 2:50 AM HADT · 1859 days ago · 35 km deep · 91 km away
47. 1.8133 km WSW of Adak, AlaskaSun, Aug 22, 2:53 AM HADT · 1859 days ago · 25 km deep · 91 km away
48. 1.5132 km WSW of Adak, AlaskaSun, Aug 22, 3:05 AM HADT · 1859 days ago · 25 km deep · 91 km away
49. 2.5135 km WSW of Adak, AlaskaSun, Aug 22, 4:32 AM HADT · 1859 days ago · 35 km deep · 93 km away
50. 1.5133 km WSW of Adak, AlaskaSun, Aug 22, 6:17 AM HADT · 1859 days ago · 26 km deep · 92 km away
51. 1.5133 km WSW of Adak, AlaskaSun, Aug 22, 8:39 AM HADT · 1859 days ago · 7 km deep · 59 km away
52. 1.9203 km W of Adak, AlaskaSun, Aug 22, 3:39 PM HADT · 1858 days ago · 119 km deep · 21 km away
53. 1.7132 km WSW of Adak, AlaskaMon, Aug 23, 10:57 AM HADT · 1858 days ago · 27 km deep · 91 km away
54. 1.6247 km WSW of Adak, AlaskaTue, Aug 24, 9:11 AM GMT+12 · 1858 days ago · 63 km deep · 69 km away
55. 1.7252 km W of Adak, AlaskaTue, Aug 24, 1:01 PM GMT+12 · 1857 days ago · 145 km deep · 73 km away
56. 1.9194 km WSW of Adak, AlaskaMon, Aug 23, 6:57 PM HADT · 1857 days ago · 13 km deep · 81 km away
57. 1.8263 km W of Adak, AlaskaTue, Aug 24, 10:57 PM GMT+12 · 1857 days ago · 169 km deep · 85 km away
58. 1.9135 km WSW of Adak, AlaskaTue, Aug 24, 3:05 AM HADT · 1857 days ago · 35 km deep · 90 km away
59. 3.6134 km WSW of Adak, AlaskaTue, Aug 24, 9:33 AM HADT · 1857 days ago · 41 km deep · 90 km away
60. 1.9201 km WSW of Adak, AlaskaTue, Aug 24, 12:02 PM HADT · 1857 days ago · 70 km deep · 38 km away

The first 60 of 176.

Before

1. 3.0270 km WSW of Adak, AlaskaTue, Aug 10, 1:32 PM GMT+12 · 1871 days ago · 51 km deep · 95 km away
2. 1.5234 km WSW of Adak, AlaskaMon, Aug 9, 3:31 PM HADT · 1872 days ago · 53 km deep · 59 km away
3. 4.0204 km W of Adak, AlaskaMon, Aug 9, 4:39 AM HADT · 1872 days ago · 169 km deep · 32 km away
4. 1.7227 km WSW of Adak, AlaskaMon, Aug 9, 3:03 AM HADT · 1872 days ago · 50 km deep · 60 km away
5. 1.5Rat Islands, Aleutian Islands, AlaskaMon, Aug 9, 8:40 PM GMT+12 · 1872 days ago · 23 km deep · 72 km away
6. 3.6127 km WSW of Adak, AlaskaSat, Aug 7, 8:41 PM HADT · 1873 days ago · 35 km deep · 96 km away
7. 1.9Andreanof Islands, Aleutian Islands, AlaskaSat, Aug 7, 6:29 PM HADT · 1873 days ago · 13 km deep · 44 km away
8. 1.7261 km W of Adak, AlaskaSun, Aug 8, 11:13 AM GMT+12 · 1874 days ago · 14 km deep · 77 km away
9. 2.0204 km WSW of Adak, AlaskaSat, Aug 7, 10:29 AM HADT · 1874 days ago · 70 km deep · 37 km away
10. 1.5236 km WSW of Adak, AlaskaThu, Aug 5, 10:02 AM HADT · 1876 days ago · 13 km deep · 81 km away
11. 1.9122 km WSW of Adak, AlaskaWed, Aug 4, 10:05 PM HADT · 1876 days ago · 25 km deep · 87 km away
12. 3.4142 km WSW of Adak, AlaskaWed, Aug 4, 10:03 AM HADT · 1877 days ago · 32 km deep · 87 km away
13. 1.6117 km WSW of Adak, AlaskaTue, Aug 3, 7:12 PM HADT · 1877 days ago · 45 km deep · 89 km away
14. 1.6Andreanof Islands, Aleutian Islands, AlaskaTue, Aug 3, 6:33 AM HADT · 1878 days ago · 13 km deep · 87 km away
15. 2.1133 km W of Adak, AlaskaMon, Aug 2, 6:36 PM HADT · 1878 days ago · 139 km deep · 51 km away
16. 1.7255 km W of Adak, AlaskaTue, Aug 3, 7:06 AM GMT+12 · 1879 days ago · 7 km deep · 75 km away
17. 1.8159 km WSW of Adak, AlaskaSun, Aug 1, 7:35 PM HADT · 1879 days ago · 25 km deep · 82 km away
18. 4.0123 km WSW of Adak, AlaskaSun, Aug 1, 8:28 AM HADT · 1880 days ago · 47 km deep · 95 km away
19. 1.6117 km WSW of Adak, AlaskaSat, Jul 31, 3:42 PM HADT · 1880 days ago · 47 km deep · 87 km away
20. 3.9220 km WSW of Adak, AlaskaSat, Jul 31, 12:52 PM HADT · 1881 days ago · 35 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021a8uu97x. Read Thu, Sep 24, 2026, 12:05 PM UTC.