M1.7 earthquake 111 km S of Adak, Alaska

Magnitude

1.7 (ml), micro

Local time

Tue, Sep 7, 2021, 4:40 AM HADT

UTC

2021-09-07 13:40:48 UTC

Depth

35.1 km (21.8 mi), shallow

Epicenter

50.887° N, 176.898° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

25

After

1. 1.6124 km SW of Adak, AlaskaTue, Sep 7, 6:53 AM HADT · 1843 days ago · 26 km deep · 84 km away
2. 1.962 km SE of Adak, AlaskaTue, Sep 7, 9:12 AM HADT · 1843 days ago · 26 km deep · 85 km away
3. 1.649 km SW of Adak, AlaskaTue, Sep 7, 11:09 PM HADT · 1842 days ago · 44 km deep · 73 km away
4. 2.7105 km SSE of Adak, AlaskaWed, Sep 8, 10:00 AM HADT · 1842 days ago · 10 km deep · 41 km away
5. 2.9126 km SW of Adak, AlaskaThu, Sep 9, 2:23 PM HADT · 1840 days ago · 35 km deep · 85 km away
6. 2.1147 km SW of Adak, AlaskaThu, Sep 9, 2:43 PM HADT · 1840 days ago · 26 km deep · 95 km away
7. 1.5Andreanof Islands, Aleutian Islands, AlaskaThu, Sep 9, 8:27 PM HADT · 1840 days ago · 59 km deep · 93 km away
8. 2.957 km SSE of Adak, AlaskaSun, Sep 12, 5:44 AM HADT · 1838 days ago · 35 km deep · 79 km away
9. 3.692 km SW of Adak, AlaskaMon, Sep 13, 6:44 AM HADT · 1837 days ago · 35 km deep · 76 km away
10. 1.553 km SW of Adak, AlaskaMon, Sep 13, 9:31 AM HADT · 1837 days ago · 46 km deep · 74 km away
11. 1.756 km SE of Adak, AlaskaTue, Sep 14, 6:24 PM HADT · 1835 days ago · 13 km deep · 82 km away
12. 1.660 km SE of Adak, AlaskaTue, Sep 14, 6:47 PM HADT · 1835 days ago · 13 km deep · 81 km away
13. 4.5161 km S of Adak, AlaskaWed, Sep 15, 4:27 AM HADT · 1835 days ago · 10 km deep · 66 km away
14. 2.4163 km S of Adak, AlaskaWed, Sep 15, 6:33 AM HADT · 1835 days ago · 24 km deep · 68 km away
15. 1.565 km SW of Adak, AlaskaWed, Sep 15, 5:52 PM HADT · 1834 days ago · 23 km deep · 72 km away
16. 3.1164 km S of Adak, AlaskaWed, Sep 15, 11:26 PM HADT · 1834 days ago · 10 km deep · 69 km away
17. 2.068 km SW of Adak, AlaskaFri, Sep 17, 12:31 AM HADT · 1833 days ago · 35 km deep · 81 km away
18. 3.224 km SSW of Adak, AlaskaFri, Sep 17, 12:40 PM HADT · 1833 days ago · 77 km deep · 86 km away
19. 2.0114 km WSW of Adak, AlaskaSun, Sep 19, 8:47 AM HADT · 1831 days ago · 48 km deep · 97 km away
20. 1.644 km SSW of Adak, AlaskaSun, Sep 19, 7:25 PM HADT · 1830 days ago · 36 km deep · 67 km away
21. 1.541 km SSE of Adak, AlaskaMon, Sep 20, 12:42 AM HADT · 1830 days ago · 36 km deep · 82 km away
22. 1.688 km SW of Adak, AlaskaMon, Sep 20, 2:38 AM HADT · 1830 days ago · 37 km deep · 74 km away
23. 1.9100 km WSW of Adak, AlaskaMon, Sep 20, 5:19 PM HADT · 1829 days ago · 58 km deep · 93 km away
24. 1.872 km WSW of Adak, AlaskaTue, Sep 21, 3:44 AM HADT · 1829 days ago · 14 km deep · 87 km away
25. 1.896 km SW of Adak, AlaskaWed, Sep 22, 10:24 AM HADT · 1828 days ago · 33 km deep · 84 km away
26. 2.753 km SE of Adak, AlaskaWed, Sep 22, 8:40 PM HADT · 1827 days ago · 35 km deep · 85 km away
27. 1.559 km SE of Adak, AlaskaWed, Sep 22, 10:44 PM HADT · 1827 days ago · 26 km deep · 93 km away
28. 1.762 km SE of Adak, AlaskaThu, Sep 23, 1:35 AM HADT · 1827 days ago · 43 km deep · 95 km away
29. 1.788 km WSW of Adak, AlaskaThu, Sep 23, 4:09 AM HADT · 1827 days ago · 60 km deep · 94 km away
30. 1.579 km S of Adak, AlaskaThu, Sep 23, 7:08 AM HADT · 1827 days ago · 26 km deep · 44 km away
31. 1.692 km WSW of Adak, AlaskaFri, Sep 24, 1:02 AM HADT · 1826 days ago · 13 km deep · 92 km away
32. 1.619 km SSW of Adak, AlaskaFri, Sep 24, 8:25 AM HADT · 1826 days ago · 75 km deep · 93 km away
33. 1.543 km S of Adak, AlaskaFri, Sep 24, 1:58 PM HADT · 1825 days ago · 43 km deep · 69 km away
34. 3.1Andreanof Islands, Aleutian Islands, AlaskaSat, Sep 25, 4:39 AM HADT · 1825 days ago · 10 km deep · 86 km away
35. 2.1110 km SW of Adak, AlaskaSat, Sep 25, 5:21 PM HADT · 1824 days ago · 26 km deep · 72 km away
36. 2.861 km SE of Adak, AlaskaSun, Sep 26, 10:39 PM HADT · 1823 days ago · 35 km deep · 81 km away
37. 3.9177 km SSW of Adak, AlaskaMon, Sep 27, 1:03 PM HADT · 1822 days ago · 10 km deep · 86 km away
38. 1.653 km SE of Adak, AlaskaMon, Sep 27, 2:21 PM HADT · 1822 days ago · 32 km deep · 95 km away
39. 1.663 km SSW of Adak, AlaskaTue, Sep 28, 12:25 AM HADT · 1822 days ago · 20 km deep · 55 km away
40. 1.861 km SE of Adak, AlaskaTue, Sep 28, 3:03 PM HADT · 1821 days ago · 23 km deep · 92 km away
41. 2.3179 km SSW of Adak, AlaskaWed, Sep 29, 12:04 AM HADT · 1821 days ago · 25 km deep · 88 km away
42. 2.623 km SSE of Adak, AlaskaFri, Oct 1, 6:13 AM HADT · 1819 days ago · 69 km deep · 93 km away
43. 1.763 km SE of Adak, AlaskaFri, Oct 1, 8:15 PM HADT · 1818 days ago · 27 km deep · 94 km away
44. 1.926 km S of Adak, AlaskaSat, Oct 2, 2:49 PM HADT · 1817 days ago · 63 km deep · 86 km away
45. 3.9116 km WSW of Adak, AlaskaSat, Oct 2, 4:45 PM HADT · 1817 days ago · 35 km deep · 93 km away
46. 1.539 km SSE of Adak, AlaskaSun, Oct 3, 11:36 AM HADT · 1817 days ago · 26 km deep · 82 km away
47. 3.1140 km SW of Adak, AlaskaTue, Oct 5, 5:42 AM HADT · 1815 days ago · 28 km deep · 97 km away
48. 2.3130 km SW of Adak, AlaskaTue, Oct 5, 12:57 PM HADT · 1814 days ago · 28 km deep · 83 km away
49. 1.9Andreanof Islands, Aleutian Islands, AlaskaWed, Oct 6, 8:43 PM HADT · 1813 days ago · 24 km deep · 50 km away
50. 1.8112 km SW of Adak, AlaskaWed, Oct 6, 8:53 PM HADT · 1813 days ago · 18 km deep · 56 km away
51. 1.6111 km SW of Adak, AlaskaWed, Oct 6, 8:56 PM HADT · 1813 days ago · 26 km deep · 61 km away
52. 1.6106 km SW of Adak, AlaskaWed, Oct 6, 9:54 PM HADT · 1813 days ago · 23 km deep · 76 km away
53. 1.6111 km SW of Adak, AlaskaWed, Oct 6, 10:02 PM HADT · 1813 days ago · 15 km deep · 66 km away
54. 1.8121 km SW of Adak, AlaskaWed, Oct 6, 11:19 PM HADT · 1813 days ago · 21 km deep · 85 km away
55. 3.7187 km S of Adak, AlaskaWed, Oct 6, 11:24 PM HADT · 1813 days ago · 10 km deep · 86 km away
56. 2.5105 km WSW of Adak, AlaskaThu, Oct 7, 2:25 AM HADT · 1813 days ago · 48 km deep · 99 km away
57. 1.981 km WSW of Adak, AlaskaThu, Oct 7, 10:05 PM HADT · 1812 days ago · 30 km deep · 90 km away
58. 3.270 km SW of Adak, AlaskaFri, Oct 8, 7:10 AM HADT · 1812 days ago · 49 km deep · 72 km away
59. 3.340 km SE of Adak, AlaskaFri, Oct 8, 8:19 AM HADT · 1812 days ago · 35 km deep · 93 km away
60. 1.9Andreanof Islands, Aleutian Islands, AlaskaSun, Oct 10, 2:41 AM HADT · 1810 days ago · 23 km deep · 82 km away

The first 60 of 94.

Before

1. 1.663 km SSE of Adak, AlaskaMon, Sep 6, 11:07 PM HADT · 1843 days ago · 19 km deep · 72 km away
2. 1.766 km SW of Adak, AlaskaSun, Sep 5, 5:37 PM HADT · 1844 days ago · 74 km deep · 82 km away
3. 1.570 km SSE of Adak, AlaskaSat, Sep 4, 10:36 PM HADT · 1845 days ago · 18 km deep · 64 km away
4. 1.560 km SE of Adak, AlaskaFri, Sep 3, 7:04 PM HADT · 1846 days ago · 27 km deep · 95 km away
5. 1.992 km SSE of Adak, AlaskaFri, Sep 3, 9:54 AM HADT · 1847 days ago · 14 km deep · 54 km away
6. 1.558 km SE of Adak, AlaskaThu, Sep 2, 5:10 PM HADT · 1847 days ago · 48 km deep · 93 km away
7. 1.8147 km S of Adak, AlaskaThu, Sep 2, 2:56 AM HADT · 1848 days ago · 25 km deep · 52 km away
8. 1.641 km SSE of Adak, AlaskaWed, Sep 1, 10:42 PM HADT · 1848 days ago · 34 km deep · 82 km away
9. 3.262 km SE of Adak, AlaskaWed, Sep 1, 5:48 PM HADT · 1848 days ago · 26 km deep · 79 km away
10. 1.979 km SSW of Adak, AlaskaTue, Aug 31, 6:19 AM HADT · 1850 days ago · 28 km deep · 41 km away
11. 2.717 km SE of Adak, AlaskaMon, Aug 30, 2:52 PM HADT · 1850 days ago · 112 km deep · 100 km away
12. 2.0183 km S of Adak, AlaskaMon, Aug 30, 7:15 AM HADT · 1851 days ago · 25 km deep · 72 km away
13. 1.658 km SE of Adak, AlaskaSun, Aug 29, 1:04 PM HADT · 1851 days ago · 33 km deep · 95 km away
14. 1.758 km SSE of Adak, AlaskaSat, Aug 28, 10:08 PM HADT · 1852 days ago · 24 km deep · 67 km away
15. 2.683 km SW of Adak, AlaskaSat, Aug 28, 12:01 PM HADT · 1853 days ago · 33 km deep · 77 km away
16. 2.687 km WSW of Adak, AlaskaSat, Aug 28, 9:57 AM HADT · 1853 days ago · 33 km deep · 89 km away
17. 3.534 km S of Adak, AlaskaSat, Aug 28, 7:12 AM HADT · 1853 days ago · 46 km deep · 79 km away
18. 3.2122 km SW of Adak, AlaskaSat, Aug 28, 1:14 AM HADT · 1853 days ago · 27 km deep · 82 km away
19. 1.543 km SW of Adak, AlaskaFri, Aug 27, 11:02 AM HADT · 1854 days ago · 64 km deep · 80 km away
20. 2.062 km SSW of Adak, AlaskaThu, Aug 26, 10:26 AM HADT · 1855 days ago · 29 km deep · 57 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021bhoc2p8. Read Thu, Sep 24, 2026, 9:14 AM UTC.