M2.7 earthquake 147 km WNW of Adak, Alaska

Magnitude

2.7 (ml), micro

Local time

Sat, Jul 17, 2021, 7:28 PM HADT

UTC

2021-07-18 04:28:01 UTC

Depth

238.4 km (148.1 mi), intermediate-depth

Epicenter

52.386° N, 178.625° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

39

After

1. 1.9Andreanof Islands, Aleutian Islands, AlaskaSat, Jul 17, 8:09 PM HADT · 1898 days ago · 83 km deep · 92 km away
2. 1.8129 km WSW of Adak, AlaskaMon, Jul 19, 7:58 AM HADT · 1897 days ago · 6 km deep · 87 km away
3. 4.383 km W of Adak, AlaskaWed, Jul 21, 2:03 AM HADT · 1895 days ago · 8 km deep · 72 km away
4. 2.9211 km W of Adak, AlaskaSun, Jul 25, 11:37 AM HADT · 1890 days ago · 158 km deep · 88 km away
5. 1.6145 km WSW of Adak, AlaskaMon, Jul 26, 6:15 PM HADT · 1889 days ago · 69 km deep · 97 km away
6. 1.767 km W of Adak, AlaskaThu, Jul 29, 2:09 PM HADT · 1886 days ago · 93 km deep · 93 km away
7. 1.773 km W of Adak, AlaskaSun, Aug 1, 7:21 AM HADT · 1884 days ago · 73 km deep · 95 km away
8. 2.1133 km W of Adak, AlaskaMon, Aug 2, 6:36 PM HADT · 1882 days ago · 139 km deep · 53 km away
9. 1.982 km W of Adak, AlaskaTue, Aug 3, 1:00 PM HADT · 1881 days ago · 7 km deep · 80 km away
10. 2.068 km W of Adak, AlaskaFri, Aug 6, 1:21 AM HADT · 1879 days ago · 73 km deep · 98 km away
11. 4.0204 km W of Adak, AlaskaMon, Aug 9, 4:39 AM HADT · 1876 days ago · 169 km deep · 77 km away
12. 1.582 km W of Adak, AlaskaMon, Aug 9, 10:35 AM HADT · 1876 days ago · 7 km deep · 82 km away
13. 1.7184 km W of Adak, AlaskaTue, Aug 10, 6:35 PM HADT · 1874 days ago · 139 km deep · 79 km away
14. 2.0230 km W of Adak, AlaskaTue, Aug 10, 10:42 PM HADT · 1874 days ago · 186 km deep · 93 km away
15. 1.5129 km WSW of Adak, AlaskaFri, Aug 13, 5:33 AM HADT · 1872 days ago · 7 km deep · 84 km away
16. 1.7150 km W of Adak, AlaskaFri, Aug 13, 11:14 PM HADT · 1871 days ago · 4 km deep · 67 km away
17. 1.6133 km WSW of Adak, AlaskaSat, Aug 14, 1:10 AM HADT · 1871 days ago · 7 km deep · 84 km away
18. 1.6132 km WSW of Adak, AlaskaTue, Aug 17, 9:16 AM HADT · 1868 days ago · 7 km deep · 85 km away
19. 2.3169 km W of Adak, AlaskaTue, Aug 17, 6:25 PM HADT · 1867 days ago · 243 km deep · 62 km away
20. 1.6121 km W of Adak, AlaskaWed, Aug 18, 5:17 AM HADT · 1867 days ago · 92 km deep · 73 km away
21. 1.654 km WNW of Adak, AlaskaWed, Aug 18, 11:08 PM HADT · 1866 days ago · 128 km deep · 93 km away
22. 1.7120 km WSW of Adak, AlaskaThu, Aug 19, 5:36 PM HADT · 1865 days ago · 66 km deep · 98 km away
23. 1.5133 km WSW of Adak, AlaskaSun, Aug 22, 8:39 AM HADT · 1863 days ago · 7 km deep · 86 km away
24. 1.9203 km W of Adak, AlaskaSun, Aug 22, 3:39 PM HADT · 1862 days ago · 119 km deep · 86 km away
25. 1.550 km W of Adak, AlaskaSun, Aug 22, 9:16 PM HADT · 1862 days ago · 126 km deep · 98 km away
26. 1.8137 km WSW of Adak, AlaskaWed, Aug 25, 3:59 PM HADT · 1859 days ago · 9 km deep · 99 km away
27. 1.5171 km W of Adak, AlaskaFri, Aug 27, 1:13 PM HADT · 1857 days ago · 5 km deep · 79 km away
28. 1.597 km WSW of Adak, AlaskaSat, Aug 28, 2:05 PM HADT · 1856 days ago · 73 km deep · 99 km away
29. 1.9192 km W of Adak, AlaskaMon, Aug 30, 12:21 PM HADT · 1854 days ago · 148 km deep · 59 km away
30. 1.5124 km WSW of Adak, AlaskaFri, Sep 3, 6:19 AM HADT · 1851 days ago · 7 km deep · 91 km away
31. 1.8124 km WSW of Adak, AlaskaSat, Sep 4, 6:04 PM HADT · 1849 days ago · 70 km deep · 88 km away
32. 1.9134 km W of Adak, AlaskaSat, Sep 4, 10:19 PM HADT · 1849 days ago · 113 km deep · 53 km away
33. 1.6124 km W of Adak, AlaskaSun, Sep 5, 1:14 AM HADT · 1849 days ago · 11 km deep · 64 km away
34. 1.5185 km W of Adak, AlaskaTue, Sep 7, 8:33 PM HADT · 1846 days ago · 15 km deep · 78 km away
35. 1.5155 km W of Adak, AlaskaWed, Sep 8, 6:01 AM HADT · 1846 days ago · 2 km deep · 68 km away
36. 1.7169 km W of Adak, AlaskaFri, Sep 10, 10:30 PM HADT · 1843 days ago · 12 km deep · 78 km away
37. 1.5153 km WSW of Adak, AlaskaSat, Sep 11, 6:04 AM HADT · 1843 days ago · 14 km deep · 98 km away
38. 1.6146 km W of Adak, AlaskaSun, Sep 12, 6:49 AM HADT · 1842 days ago · 16 km deep · 70 km away
39. 2.7133 km W of Adak, AlaskaSun, Sep 12, 11:47 AM HADT · 1841 days ago · 141 km deep · 52 km away
40. 1.782 km W of Adak, AlaskaMon, Sep 13, 3:35 AM HADT · 1841 days ago · 12 km deep · 82 km away

Before

1. 1.5151 km W of Adak, AlaskaFri, Jul 16, 3:26 PM HADT · 1899 days ago · 12 km deep · 82 km away
2. 1.5132 km W of Adak, AlaskaTue, Jul 13, 6:34 AM HADT · 1903 days ago · 110 km deep · 60 km away
3. 1.6175 km W of Adak, AlaskaTue, Jul 13, 6:19 AM HADT · 1903 days ago · 84 km deep · 84 km away
4. 1.7129 km WSW of Adak, AlaskaMon, Jul 12, 9:13 PM HADT · 1903 days ago · 5 km deep · 85 km away
5. 2.595 km WSW of Adak, AlaskaMon, Jul 12, 9:07 PM HADT · 1903 days ago · 73 km deep · 98 km away
6. 1.9123 km WSW of Adak, AlaskaSat, Jul 10, 8:17 PM HADT · 1905 days ago · 10 km deep · 89 km away
7. 1.5103 km W of Adak, AlaskaSat, Jul 10, 6:04 AM HADT · 1906 days ago · 5 km deep · 65 km away
8. 1.7130 km WSW of Adak, AlaskaThu, Jul 8, 9:22 AM HADT · 1908 days ago · 7 km deep · 84 km away
9. 1.667 km W of Adak, AlaskaSun, Jul 4, 9:32 PM HADT · 1911 days ago · 13 km deep · 86 km away
10. 1.6130 km WSW of Adak, AlaskaSun, Jul 4, 8:10 PM HADT · 1911 days ago · 17 km deep · 88 km away
11. 1.7131 km W of Adak, AlaskaSun, Jul 4, 2:43 AM HADT · 1912 days ago · 8 km deep · 76 km away
12. 2.4104 km WNW of Adak, AlaskaSat, Jul 3, 1:22 PM HADT · 1912 days ago · 247 km deep · 43 km away
13. 1.658 km W of Adak, AlaskaFri, Jul 2, 10:25 PM HADT · 1913 days ago · 115 km deep · 96 km away
14. 1.8131 km WSW of Adak, AlaskaWed, Jun 30, 6:15 PM HADT · 1915 days ago · 13 km deep · 84 km away
15. 1.8200 km W of Adak, AlaskaSun, Jun 27, 8:12 PM HADT · 1918 days ago · 78 km deep · 94 km away
16. 1.888 km W of Adak, AlaskaSun, Jun 27, 3:19 PM HADT · 1918 days ago · 8 km deep · 76 km away
17. 1.5133 km WSW of Adak, AlaskaTue, Jun 22, 10:30 PM HADT · 1923 days ago · 14 km deep · 89 km away
18. 1.6145 km W of Adak, AlaskaTue, Jun 22, 7:49 PM HADT · 1923 days ago · 7 km deep · 58 km away
19. 1.8137 km WSW of Adak, AlaskaSat, Jun 19, 3:43 PM HADT · 1926 days ago · 16 km deep · 87 km away
20. 1.8158 km WSW of Adak, AlaskaSat, Jun 19, 4:34 AM HADT · 1927 days ago · 12 km deep · 94 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021956hsuo. Read Mon, Sep 28, 2026, 7:31 AM UTC.