M1.9 earthquake 176 km SSW of Adak, Alaska

Magnitude

1.9 (ml), micro

Local time

Thu, Jul 29, 2021, 2:35 PM HADT

UTC

2021-07-29 23:35:57 UTC

Depth

25.5 km (15.8 mi), shallow

Epicenter

50.538° N, 177.983° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

24

After

1. 1.9211 km SSW of Adak, AlaskaFri, Jul 30, 2:59 AM HADT · 1885 days ago · 26 km deep · 36 km away
2. 1.8148 km WSW of Adak, AlaskaFri, Jul 30, 4:30 AM HADT · 1885 days ago · 24 km deep · 76 km away
3. 1.897 km S of Adak, AlaskaSat, Jul 31, 10:15 PM HADT · 1883 days ago · 26 km deep · 100 km away
4. 4.0123 km WSW of Adak, AlaskaSun, Aug 1, 8:28 AM HADT · 1883 days ago · 47 km deep · 89 km away
5. 2.5168 km SSW of Adak, AlaskaSun, Aug 1, 12:15 PM HADT · 1883 days ago · 10 km deep · 10 km away
6. 1.8159 km WSW of Adak, AlaskaSun, Aug 1, 7:35 PM HADT · 1883 days ago · 25 km deep · 88 km away
7. 1.694 km SW of Adak, AlaskaTue, Aug 3, 11:09 AM HADT · 1881 days ago · 23 km deep · 83 km away
8. 3.4142 km WSW of Adak, AlaskaWed, Aug 4, 10:03 AM HADT · 1880 days ago · 32 km deep · 86 km away
9. 1.9122 km WSW of Adak, AlaskaWed, Aug 4, 10:05 PM HADT · 1879 days ago · 25 km deep · 98 km away
10. 2.1226 km SSW of Adak, AlaskaThu, Aug 5, 3:57 AM HADT · 1879 days ago · 20 km deep · 61 km away
11. 2.0137 km SW of Adak, AlaskaThu, Aug 5, 8:52 AM HADT · 1879 days ago · 26 km deep · 64 km away
12. 1.8131 km SW of Adak, AlaskaThu, Aug 5, 9:25 AM HADT · 1879 days ago · 26 km deep · 71 km away
13. 3.6127 km WSW of Adak, AlaskaSat, Aug 7, 8:41 PM HADT · 1876 days ago · 35 km deep · 85 km away
14. 1.7100 km SW of Adak, AlaskaTue, Aug 10, 10:49 PM HADT · 1873 days ago · 26 km deep · 82 km away
15. 2.1114 km WSW of Adak, AlaskaThu, Aug 12, 6:59 AM HADT · 1872 days ago · 26 km deep · 98 km away
16. 1.8121 km WSW of Adak, AlaskaThu, Aug 12, 7:34 PM HADT · 1872 days ago · 8 km deep · 100 km away
17. 1.6115 km WSW of Adak, AlaskaFri, Aug 13, 12:13 PM HADT · 1871 days ago · 24 km deep · 95 km away
18. 3.2198 km S of Adak, AlaskaSat, Aug 14, 10:57 AM HADT · 1870 days ago · 10 km deep · 95 km away
19. 1.7136 km SW of Adak, AlaskaSat, Aug 14, 7:45 PM HADT · 1870 days ago · 26 km deep · 66 km away
20. 1.7134 km SW of Adak, AlaskaSat, Aug 14, 7:49 PM HADT · 1870 days ago · 18 km deep · 61 km away
21. 1.8134 km SW of Adak, AlaskaSat, Aug 14, 7:50 PM HADT · 1870 days ago · 26 km deep · 67 km away
22. 2.6101 km SSW of Adak, AlaskaSun, Aug 15, 6:31 PM HADT · 1869 days ago · 24 km deep · 77 km away
23. 1.7102 km SSW of Adak, AlaskaSun, Aug 15, 9:45 PM HADT · 1868 days ago · 47 km deep · 75 km away
24. 2.1128 km SW of Adak, AlaskaTue, Aug 17, 2:13 PM HADT · 1867 days ago · 26 km deep · 69 km away
25. 2.5135 km WSW of Adak, AlaskaWed, Aug 18, 11:12 AM HADT · 1866 days ago · 35 km deep · 81 km away
26. 3.6141 km WSW of Adak, AlaskaWed, Aug 18, 1:26 PM HADT · 1866 days ago · 31 km deep · 89 km away
27. 1.5137 km SSW of Adak, AlaskaThu, Aug 19, 2:42 AM HADT · 1865 days ago · 26 km deep · 38 km away
28. 1.7209 km S of Adak, AlaskaThu, Aug 19, 4:05 PM HADT · 1865 days ago · 21 km deep · 88 km away
29. 3.4200 km SSW of Adak, AlaskaThu, Aug 19, 6:03 PM HADT · 1865 days ago · 10 km deep · 69 km away
30. 1.9156 km WSW of Adak, AlaskaThu, Aug 19, 10:20 PM HADT · 1864 days ago · 17 km deep · 76 km away
31. 2.1186 km SSW of Adak, AlaskaSat, Aug 21, 5:40 AM HADT · 1863 days ago · 26 km deep · 31 km away
32. 2.687 km S of Adak, AlaskaSat, Aug 21, 5:28 PM HADT · 1863 days ago · 35 km deep · 100 km away
33. 4.8128 km WSW of Adak, AlaskaSun, Aug 22, 2:45 AM HADT · 1862 days ago · 52 km deep · 99 km away · felt by 1
34. 4.0131 km WSW of Adak, AlaskaSun, Aug 22, 2:46 AM HADT · 1862 days ago · 35 km deep · 89 km away
35. 2.8132 km WSW of Adak, AlaskaSun, Aug 22, 2:47 AM HADT · 1862 days ago · 35 km deep · 91 km away
36. 3.4133 km WSW of Adak, AlaskaSun, Aug 22, 2:50 AM HADT · 1862 days ago · 35 km deep · 86 km away
37. 1.8133 km WSW of Adak, AlaskaSun, Aug 22, 2:53 AM HADT · 1862 days ago · 25 km deep · 86 km away
38. 1.5132 km WSW of Adak, AlaskaSun, Aug 22, 3:05 AM HADT · 1862 days ago · 25 km deep · 86 km away
39. 2.5135 km WSW of Adak, AlaskaSun, Aug 22, 4:32 AM HADT · 1862 days ago · 35 km deep · 83 km away
40. 1.5133 km WSW of Adak, AlaskaSun, Aug 22, 6:17 AM HADT · 1862 days ago · 26 km deep · 85 km away
41. 1.7132 km WSW of Adak, AlaskaMon, Aug 23, 10:57 AM HADT · 1861 days ago · 27 km deep · 87 km away
42. 1.8106 km WSW of Adak, AlaskaMon, Aug 23, 2:28 PM HADT · 1861 days ago · 26 km deep · 91 km away
43. 1.5121 km SW of Adak, AlaskaMon, Aug 23, 5:48 PM HADT · 1861 days ago · 25 km deep · 72 km away
44. 1.9135 km WSW of Adak, AlaskaTue, Aug 24, 3:05 AM HADT · 1860 days ago · 35 km deep · 86 km away
45. 3.6134 km WSW of Adak, AlaskaTue, Aug 24, 9:33 AM HADT · 1860 days ago · 41 km deep · 87 km away
46. 2.5Andreanof Islands, Aleutian Islands, AlaskaTue, Aug 24, 6:05 PM HADT · 1860 days ago · 35 km deep · 90 km away
47. 3.2122 km SW of Adak, AlaskaSat, Aug 28, 1:14 AM HADT · 1856 days ago · 27 km deep · 70 km away
48. 1.8145 km WSW of Adak, AlaskaSun, Aug 29, 3:41 AM HADT · 1855 days ago · 23 km deep · 81 km away
49. 2.5141 km WSW of Adak, AlaskaSun, Aug 29, 8:29 PM HADT · 1855 days ago · 30 km deep · 99 km away
50. 2.0183 km S of Adak, AlaskaMon, Aug 30, 7:15 AM HADT · 1854 days ago · 25 km deep · 72 km away
51. 1.979 km SSW of Adak, AlaskaTue, Aug 31, 6:19 AM HADT · 1853 days ago · 28 km deep · 98 km away
52. 1.6194 km WSW of Adak, AlaskaWed, Sep 1, 11:00 PM HADT · 1851 days ago · 5 km deep · 100 km away
53. 2.8239 km SSW of Adak, AlaskaFri, Sep 3, 12:16 AM HADT · 1850 days ago · 10 km deep · 64 km away
54. 1.7189 km WSW of Adak, AlaskaSun, Sep 5, 12:44 AM HADT · 1848 days ago · 3 km deep · 97 km away
55. 2.8199 km WSW of Adak, AlaskaMon, Sep 6, 6:00 AM HADT · 1847 days ago · 16 km deep · 95 km away
56. 1.7111 km S of Adak, AlaskaTue, Sep 7, 4:40 AM HADT · 1846 days ago · 35 km deep · 86 km away
57. 1.6124 km SW of Adak, AlaskaTue, Sep 7, 6:53 AM HADT · 1846 days ago · 26 km deep · 69 km away
58. 2.9177 km WSW of Adak, AlaskaTue, Sep 7, 6:21 PM HADT · 1846 days ago · 30 km deep · 93 km away
59. 1.6168 km WSW of Adak, AlaskaTue, Sep 7, 11:43 PM HADT · 1845 days ago · 26 km deep · 87 km away
60. 2.9126 km SW of Adak, AlaskaThu, Sep 9, 2:23 PM HADT · 1844 days ago · 35 km deep · 68 km away

The first 60 of 77.

Before

1. 1.781 km SW of Adak, AlaskaThu, Jul 29, 1:29 AM HADT · 1886 days ago · 25 km deep · 99 km away
2. 1.5131 km WSW of Adak, AlaskaWed, Jul 28, 8:23 PM HADT · 1887 days ago · 26 km deep · 95 km away
3. 2.7123 km WSW of Adak, AlaskaWed, Jul 28, 11:30 AM HADT · 1887 days ago · 29 km deep · 94 km away
4. 1.7117 km WSW of Adak, AlaskaWed, Jul 28, 11:12 AM HADT · 1887 days ago · 38 km deep · 95 km away
5. 4.0Andreanof Islands, Aleutian Islands, AlaskaWed, Jul 28, 8:31 AM HADT · 1887 days ago · 38 km deep · 82 km away
6. 1.8183 km WSW of Adak, AlaskaTue, Jul 27, 2:17 AM HADT · 1888 days ago · 20 km deep · 93 km away
7. 1.8164 km S of Adak, AlaskaTue, Jul 27, 2:12 AM HADT · 1888 days ago · 17 km deep · 82 km away
8. 2.7141 km SW of Adak, AlaskaMon, Jul 26, 9:44 PM HADT · 1888 days ago · 35 km deep · 70 km away
9. 3.4219 km SSW of Adak, AlaskaMon, Jul 26, 9:06 AM HADT · 1889 days ago · 43 km deep · 66 km away
10. 2.2128 km WSW of Adak, AlaskaSat, Jul 24, 8:59 AM HADT · 1891 days ago · 35 km deep · 87 km away
11. 1.8113 km WSW of Adak, AlaskaSat, Jul 24, 7:14 AM HADT · 1891 days ago · 48 km deep · 99 km away
12. 2.8135 km WSW of Adak, AlaskaSat, Jul 24, 7:01 AM HADT · 1891 days ago · 25 km deep · 82 km away
13. 2.1242 km SW of Adak, AlaskaSat, Jul 24, 5:22 AM HADT · 1891 days ago · 11 km deep · 67 km away
14. 1.9170 km SSW of Adak, AlaskaSat, Jul 24, 1:39 AM HADT · 1891 days ago · 26 km deep · 57 km away
15. 2.889 km SW of Adak, AlaskaThu, Jul 22, 12:22 PM HADT · 1893 days ago · 27 km deep · 88 km away
16. 1.8110 km SW of Adak, AlaskaWed, Jul 21, 2:05 PM HADT · 1894 days ago · 19 km deep · 72 km away
17. 1.8124 km WSW of Adak, AlaskaTue, Jul 20, 9:43 PM HADT · 1894 days ago · 13 km deep · 90 km away
18. 1.9Andreanof Islands, Aleutian Islands, AlaskaTue, Jul 20, 1:08 PM HADT · 1895 days ago · 18 km deep · 45 km away
19. 1.6123 km WSW of Adak, AlaskaSun, Jul 18, 7:25 AM HADT · 1897 days ago · 26 km deep · 98 km away
20. 1.897 km WSW of Adak, AlaskaSat, Jul 17, 2:14 AM HADT · 1898 days ago · 48 km deep · 99 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0219norh3i. Read Sun, Sep 27, 2026, 5:07 PM UTC.