M1.7 earthquake 271 km W of Adak, Alaska

Magnitude

1.7 (ml), micro

Local time

Sat, Sep 4, 2021, 5:27 PM GMT+12

UTC

2021-09-04 05:27:23 UTC

Depth

63.3 km (39.3 mi), shallow

Epicenter

51.590° N, 179.465° E

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

13

After

1. 2.5Rat Islands, Aleutian Islands, AlaskaSat, Sep 4, 6:23 PM GMT+12 · 1850 days ago · 95 km deep · 45 km away
2. 1.8Rat Islands, Aleutian Islands, AlaskaSun, Sep 5, 7:48 PM GMT+12 · 1849 days ago · 11 km deep · 95 km away
3. 1.7Rat Islands, Aleutian Islands, AlaskaMon, Sep 6, 1:12 AM GMT+12 · 1848 days ago · 12 km deep · 100 km away
4. 1.8Rat Islands, Aleutian Islands, AlaskaMon, Sep 6, 1:16 AM GMT+12 · 1848 days ago · 13 km deep · 92 km away
5. 1.6Rat Islands, Aleutian Islands, AlaskaMon, Sep 6, 1:17 AM GMT+12 · 1848 days ago · 13 km deep · 97 km away
6. 1.8Rat Islands, Aleutian Islands, AlaskaMon, Sep 6, 1:40 AM GMT+12 · 1848 days ago · 58 km deep · 96 km away
7. 1.8Rat Islands, Aleutian Islands, AlaskaMon, Sep 6, 1:47 AM GMT+12 · 1848 days ago · 12 km deep · 99 km away
8. 1.6Rat Islands, Aleutian Islands, AlaskaMon, Sep 6, 2:11 AM GMT+12 · 1848 days ago · 12 km deep · 95 km away
9. 1.6Rat Islands, Aleutian Islands, AlaskaMon, Sep 6, 4:49 AM GMT+12 · 1848 days ago · 11 km deep · 99 km away
10. 1.6240 km WSW of Adak, AlaskaSun, Sep 5, 5:52 PM GMT-12 · 1848 days ago · 13 km deep · 67 km away
11. 1.6245 km WSW of Adak, AlaskaSun, Sep 5, 5:54 PM GMT-12 · 1848 days ago · 13 km deep · 62 km away
12. 1.9Rat Islands, Aleutian Islands, AlaskaTue, Sep 7, 12:22 PM GMT+12 · 1847 days ago · 115 km deep · 68 km away
13. 2.6245 km W of Adak, AlaskaTue, Sep 7, 12:32 PM GMT+12 · 1847 days ago · 174 km deep · 47 km away
14. 1.5225 km W of Adak, AlaskaTue, Sep 7, 5:19 AM HADT · 1846 days ago · 73 km deep · 46 km away
15. 2.0Rat Islands, Aleutian Islands, AlaskaWed, Sep 8, 9:19 AM GMT+12 · 1846 days ago · 47 km deep · 65 km away
16. 1.7Rat Islands, Aleutian Islands, AlaskaWed, Sep 8, 11:34 AM GMT+12 · 1846 days ago · 99 km deep · 70 km away
17. 1.7Rat Islands, Aleutian Islands, AlaskaWed, Sep 8, 2:44 PM GMT+12 · 1846 days ago · 82 km deep · 38 km away
18. 1.5185 km W of Adak, AlaskaTue, Sep 7, 8:33 PM HADT · 1846 days ago · 15 km deep · 87 km away
19. 2.2228 km W of Adak, AlaskaThu, Sep 9, 12:17 PM HADT · 1844 days ago · 149 km deep · 57 km away
20. 2.9Rat Islands, Aleutian Islands, AlaskaFri, Sep 10, 11:56 PM GMT+12 · 1844 days ago · 33 km deep · 56 km away
21. 3.9250 km W of Adak, AlaskaSat, Sep 11, 2:06 AM GMT+12 · 1843 days ago · 131 km deep · 35 km away
22. 2.3Rat Islands, Aleutian Islands, AlaskaSat, Sep 11, 7:46 PM GMT+12 · 1843 days ago · 3 km deep · 87 km away
23. 2.7Rat Islands, Aleutian Islands, AlaskaSun, Sep 12, 2:37 PM GMT+12 · 1842 days ago · 72 km deep · 83 km away
24. 2.7272 km W of Adak, AlaskaSun, Sep 12, 5:10 PM GMT+12 · 1842 days ago · 75 km deep · 5 km away
25. 1.6194 km WSW of Adak, AlaskaMon, Sep 13, 9:09 AM HADT · 1840 days ago · 20 km deep · 90 km away
26. 2.8223 km W of Adak, AlaskaMon, Sep 13, 1:06 PM HADT · 1840 days ago · 78 km deep · 49 km away
27. 3.1Rat Islands, Aleutian Islands, AlaskaWed, Sep 15, 5:38 PM GMT+12 · 1839 days ago · 113 km deep · 73 km away
28. 2.7215 km W of Adak, AlaskaThu, Sep 16, 3:18 AM HADT · 1837 days ago · 73 km deep · 57 km away
29. 2.2Rat Islands, Aleutian Islands, AlaskaSat, Sep 18, 1:15 AM GMT+12 · 1836 days ago · 40 km deep · 81 km away
30. 2.8220 km WSW of Adak, AlaskaMon, Sep 20, 3:56 AM HADT · 1833 days ago · 22 km deep · 92 km away
31. 1.9252 km W of Adak, AlaskaTue, Sep 21, 8:56 AM GMT+12 · 1833 days ago · 95 km deep · 31 km away
32. 1.5Rat Islands, Aleutian Islands, AlaskaTue, Sep 21, 12:35 PM GMT+12 · 1833 days ago · 7 km deep · 57 km away
33. 1.8Rat Islands, Aleutian Islands, AlaskaWed, Sep 22, 4:16 AM GMT+12 · 1832 days ago · 56 km deep · 35 km away
34. 4.0257 km WSW of Adak, AlaskaWed, Sep 22, 6:48 AM GMT+12 · 1832 days ago · 106 km deep · 22 km away
35. 1.6Rat Islands, Aleutian Islands, AlaskaWed, Sep 22, 7:27 AM GMT+12 · 1832 days ago · 30 km deep · 47 km away
36. 2.5219 km WSW of Adak, AlaskaWed, Sep 22, 12:43 PM HADT · 1831 days ago · 26 km deep · 96 km away
37. 2.7221 km WSW of Adak, AlaskaWed, Sep 22, 2:02 PM HADT · 1831 days ago · 15 km deep · 90 km away
38. 1.9222 km WSW of Adak, AlaskaThu, Sep 23, 12:30 AM HADT · 1831 days ago · 12 km deep · 53 km away
39. 1.5208 km WSW of Adak, AlaskaThu, Sep 23, 3:47 PM HADT · 1830 days ago · 22 km deep · 87 km away
40. 1.5Rat Islands, Aleutian Islands, AlaskaFri, Sep 24, 8:16 PM GMT+12 · 1830 days ago · 57 km deep · 26 km away
41. 1.6221 km WSW of Adak, AlaskaSat, Sep 25, 6:53 PM HADT · 1828 days ago · 50 km deep · 57 km away
42. 2.0211 km W of Adak, AlaskaSat, Sep 25, 11:04 PM HADT · 1828 days ago · 104 km deep · 62 km away
43. 2.6247 km WSW of Adak, AlaskaTue, Sep 28, 3:55 PM GMT-12 · 1825 days ago · 13 km deep · 84 km away
44. 1.8Andreanof Islands, Aleutian Islands, AlaskaTue, Sep 28, 11:23 PM HADT · 1825 days ago · 15 km deep · 86 km away
45. 3.8Rat Islands, Aleutian Islands, AlaskaSun, Oct 3, 10:01 AM GMT+12 · 1821 days ago · 112 km deep · 77 km away
46. 3.9246 km WSW of Adak, AlaskaWed, Oct 6, 11:56 AM GMT-12 · 1817 days ago · 10 km deep · 78 km away
47. 1.8244 km W of Adak, AlaskaThu, Oct 7, 1:26 PM GMT+12 · 1817 days ago · 61 km deep · 30 km away
48. 2.5Rat Islands, Aleutian Islands, AlaskaThu, Oct 7, 2:56 PM GMT+12 · 1817 days ago · 77 km deep · 43 km away
49. 2.1Rat Islands, Aleutian Islands, AlaskaThu, Oct 7, 4:34 PM GMT+12 · 1817 days ago · 8 km deep · 86 km away
50. 2.6Rat Islands, Aleutian Islands, AlaskaThu, Oct 7, 10:48 PM GMT+12 · 1817 days ago · 97 km deep · 72 km away
51. 2.4Rat Islands, Aleutian Islands, AlaskaFri, Oct 8, 7:53 PM GMT+12 · 1816 days ago · 70 km deep · 30 km away
52. 2.8266 km W of Adak, AlaskaSat, Oct 9, 1:32 AM GMT+12 · 1815 days ago · 86 km deep · 11 km away
53. 4.0Rat Islands, Aleutian Islands, AlaskaSun, Oct 10, 3:46 AM GMT+12 · 1814 days ago · 105 km deep · 70 km away
54. 2.1290 km W of Adak, AlaskaMon, Oct 11, 4:45 AM GMT+12 · 1813 days ago · 28 km deep · 21 km away
55. 1.9244 km WSW of Adak, AlaskaMon, Oct 11, 6:57 PM GMT+12 · 1813 days ago · 48 km deep · 38 km away
56. 2.1Rat Islands, Aleutian Islands, AlaskaThu, Oct 14, 3:16 PM GMT+12 · 1810 days ago · 59 km deep · 54 km away
57. 3.1216 km W of Adak, AlaskaWed, Oct 13, 11:18 PM HADT · 1810 days ago · 110 km deep · 57 km away
58. 2.8Rat Islands, Aleutian Islands, AlaskaFri, Oct 15, 1:24 AM GMT+12 · 1809 days ago · 73 km deep · 37 km away
59. 4.0Rat Islands, Aleutian Islands, AlaskaFri, Oct 15, 6:31 AM GMT+12 · 1809 days ago · 67 km deep · 51 km away
60. 3.1Rat Islands, Aleutian Islands, AlaskaFri, Oct 15, 1:27 PM GMT+12 · 1809 days ago · 129 km deep · 74 km away

The first 60 of 105.

Before

1. 1.7299 km WSW of Adak, AlaskaSat, Sep 4, 3:16 PM GMT+12 · 1850 days ago · 19 km deep · 60 km away
2. 1.8231 km WSW of Adak, AlaskaFri, Sep 3, 8:43 AM HADT · 1850 days ago · 13 km deep · 42 km away
3. 1.6234 km WSW of Adak, AlaskaFri, Sep 3, 6:11 AM HADT · 1850 days ago · 13 km deep · 40 km away
4. 1.9232 km WSW of Adak, AlaskaFri, Sep 3, 6:10 AM HADT · 1850 days ago · 7 km deep · 43 km away
5. 1.6232 km WSW of Adak, AlaskaFri, Sep 3, 1:30 AM HADT · 1851 days ago · 11 km deep · 42 km away
6. 1.5272 km W of Adak, AlaskaFri, Sep 3, 2:34 AM GMT+12 · 1851 days ago · 70 km deep · 3 km away
7. 2.6221 km WSW of Adak, AlaskaThu, Sep 2, 3:19 AM HADT · 1851 days ago · 88 km deep · 61 km away
8. 1.6248 km WSW of Adak, AlaskaThu, Sep 2, 7:46 PM GMT+12 · 1852 days ago · 48 km deep · 37 km away
9. 1.5253 km WSW of Adak, AlaskaWed, Sep 1, 7:36 PM GMT-12 · 1852 days ago · 6 km deep · 79 km away
10. 1.9257 km WSW of Adak, AlaskaThu, Sep 2, 6:05 PM GMT+12 · 1852 days ago · 57 km deep · 23 km away
11. 1.7215 km WSW of Adak, AlaskaTue, Aug 31, 9:40 AM HADT · 1853 days ago · 14 km deep · 98 km away
12. 2.0Rat Islands, Aleutian Islands, AlaskaTue, Aug 31, 7:59 PM GMT+12 · 1854 days ago · 129 km deep · 90 km away
13. 1.7Rat Islands, Aleutian Islands, AlaskaTue, Aug 31, 6:11 PM GMT+12 · 1854 days ago · 21 km deep · 55 km away
14. 1.9243 km W of Adak, AlaskaTue, Aug 31, 3:30 PM GMT+12 · 1854 days ago · 70 km deep · 28 km away
15. 1.7Rat Islands, Aleutian Islands, AlaskaTue, Aug 31, 11:14 AM GMT+12 · 1854 days ago · 57 km deep · 99 km away
16. 2.0Rat Islands, Aleutian Islands, AlaskaTue, Aug 31, 11:12 AM GMT+12 · 1854 days ago · 93 km deep · 40 km away
17. 1.8Rat Islands, Aleutian Islands, AlaskaMon, Aug 30, 8:22 PM GMT+12 · 1855 days ago · 131 km deep · 72 km away
18. 1.7Rat Islands, Aleutian Islands, AlaskaMon, Aug 30, 4:31 PM GMT+12 · 1855 days ago · 47 km deep · 93 km away
19. 2.6Rat Islands, Aleutian Islands, AlaskaMon, Aug 30, 3:31 AM GMT+12 · 1855 days ago · 138 km deep · 85 km away
20. 1.9230 km W of Adak, AlaskaSat, Aug 28, 8:03 PM HADT · 1856 days ago · 93 km deep · 43 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021bckvq54. Read Sun, Sep 27, 2026, 11:36 PM UTC.