M1.5 earthquake 20 km WNW of Karluk, Alaska

Magnitude

1.5 (ml), micro

Local time

Tue, Aug 17, 2021, 12:00 AM AKDT

UTC

2021-08-17 08:00:47 UTC

Depth

73.8 km (45.9 mi), intermediate-depth

Epicenter

57.634° N, 154.780° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

16

• Womens Bay, AlaskaPopulation 719. Forecast126 kmW
• Anchorage, AlaskaPopulation 289,600. Forecast484 kmSW

After

1. 2.431 km SW of Akhiok, AlaskaWed, Aug 18, 12:02 AM AKDT · 1866 days ago · 9 km deep · 96 km away
2. 1.7Alaska PeninsulaWed, Aug 18, 5:31 AM AKDT · 1865 days ago · 85 km deep · 44 km away
3. 2.067 km NNW of Karluk, AlaskaWed, Aug 18, 7:50 AM AKDT · 1865 days ago · 87 km deep · 54 km away
4. 1.657 km W of Akhiok, AlaskaThu, Aug 19, 4:59 AM AKDT · 1864 days ago · 53 km deep · 88 km away
5. 2.297 km W of Akhiok, AlaskaThu, Aug 19, 5:08 AM AKDT · 1864 days ago · 79 km deep · 91 km away
6. 1.558 km WNW of Akhiok, AlaskaThu, Aug 19, 9:39 AM AKDT · 1864 days ago · 56 km deep · 58 km away
7. 2.5Alaska PeninsulaThu, Aug 19, 10:17 PM AKDT · 1864 days ago · 72 km deep · 61 km away
8. 1.962 km WNW of Akhiok, AlaskaFri, Aug 20, 1:03 AM AKDT · 1864 days ago · 57 km deep · 63 km away
9. 2.270 km ESE of Egegik, AlaskaFri, Aug 20, 7:08 AM AKDT · 1863 days ago · 146 km deep · 97 km away
10. 1.673 km WNW of Karluk, AlaskaFri, Aug 20, 11:10 AM AKDT · 1863 days ago · 99 km deep · 53 km away
11. 2.381 km W of Karluk, AlaskaFri, Aug 20, 1:07 PM AKDT · 1863 days ago · 6 km deep · 61 km away
12. 2.089 km WNW of Karluk, AlaskaFri, Aug 20, 3:35 PM AKDT · 1863 days ago · 100 km deep · 68 km away
13. 1.9Alaska PeninsulaFri, Aug 20, 8:37 PM AKDT · 1863 days ago · 87 km deep · 41 km away
14. 2.763 km N of Karluk, AlaskaSun, Aug 22, 4:43 AM AKDT · 1861 days ago · 72 km deep · 57 km away
15. 1.688 km ESE of Egegik, AlaskaSun, Aug 22, 4:13 PM AKDT · 1861 days ago · 8 km deep · 79 km away
16. 1.897 km NNW of Karluk, AlaskaSun, Aug 22, 9:35 PM AKDT · 1861 days ago · 6 km deep · 87 km away
17. 1.776 km WNW of Karluk, AlaskaSun, Aug 22, 11:41 PM AKDT · 1861 days ago · 96 km deep · 56 km away
18. 1.925 km SE of Larsen Bay, AlaskaMon, Aug 23, 7:54 AM AKDT · 1860 days ago · 7 km deep · 70 km away
19. 1.9Kodiak Island region, AlaskaMon, Aug 23, 11:30 PM AKDT · 1860 days ago · 56 km deep · 26 km away
20. 2.0Kodiak Island region, AlaskaTue, Aug 24, 6:30 AM AKDT · 1859 days ago · 61 km deep · 15 km away
21. 1.686 km NW of Karluk, AlaskaTue, Aug 24, 9:02 PM AKDT · 1859 days ago · 2 km deep · 69 km away
22. 2.396 km ESE of Ugashik, AlaskaWed, Aug 25, 4:26 AM AKDT · 1859 days ago · 9 km deep · 93 km away
23. 1.588 km ESE of Ugashik, AlaskaWed, Aug 25, 7:37 AM AKDT · 1858 days ago · 1 km deep · 95 km away
24. 2.484 km NNW of Karluk, AlaskaWed, Aug 25, 10:44 AM AKDT · 1858 days ago · 1 km deep · 70 km away
25. 2.421 km SW of Larsen Bay, AlaskaThu, Aug 26, 2:19 AM AKDT · 1858 days ago · 40 km deep · 42 km away
26. 2.893 km ESE of Ugashik, AlaskaThu, Aug 26, 2:41 AM AKDT · 1858 days ago · 4 km deep · 96 km away
27. 2.137 km WSW of Karluk, AlaskaSat, Aug 28, 11:06 PM AKDT · 1855 days ago · 72 km deep · 28 km away
28. 1.57 km WNW of Karluk, AlaskaSun, Aug 29, 4:04 AM AKDT · 1855 days ago · 51 km deep · 13 km away
29. 1.873 km W of Karluk, AlaskaMon, Aug 30, 4:51 AM AKDT · 1853 days ago · 80 km deep · 53 km away
30. 1.957 km SW of Karluk, AlaskaTue, Aug 31, 11:52 AM AKDT · 1852 days ago · 46 km deep · 51 km away
31. 1.750 km NNE of Larsen Bay, AlaskaWed, Sep 1, 7:48 AM AKDT · 1851 days ago · 59 km deep · 71 km away
32. 1.880 km W of Karluk, AlaskaWed, Sep 1, 9:32 AM AKDT · 1851 days ago · 6 km deep · 61 km away
33. 1.643 km NW of Karluk, AlaskaWed, Sep 1, 7:22 PM AKDT · 1851 days ago · 74 km deep · 27 km away
34. 3.562 km NW of Karluk, AlaskaWed, Sep 1, 7:40 PM AKDT · 1851 days ago · 83 km deep · 43 km away
35. 1.75 km N of Karluk, AlaskaWed, Sep 1, 8:20 PM AKDT · 1851 days ago · 47 km deep · 20 km away
36. 1.798 km ESE of Ugashik, AlaskaWed, Sep 1, 11:33 PM AKDT · 1851 days ago · 67 km deep · 89 km away
37. 1.5Alaska PeninsulaThu, Sep 2, 9:18 AM AKDT · 1850 days ago · 5 km deep · 60 km away
38. 1.574 km WSW of Karluk, AlaskaThu, Sep 2, 12:17 PM AKDT · 1850 days ago · 71 km deep · 63 km away
39. 3.080 km ESE of King Salmon, AlaskaSat, Sep 4, 8:56 AM AKDT · 1848 days ago · 132 km deep · 98 km away
40. 1.776 km W of Karluk, AlaskaSat, Sep 4, 4:35 PM AKDT · 1848 days ago · 35 km deep · 57 km away
41. 1.732 km S of Karluk, AlaskaSat, Sep 4, 10:01 PM AKDT · 1848 days ago · 43 km deep · 42 km away
42. 1.674 km NW of Karluk, AlaskaSun, Sep 5, 5:09 AM AKDT · 1847 days ago · 99 km deep · 58 km away
43. 1.963 km NW of Karluk, AlaskaSun, Sep 5, 9:40 AM AKDT · 1847 days ago · 94 km deep · 44 km away
44. 1.661 km WNW of Karluk, AlaskaSun, Sep 5, 12:20 PM AKDT · 1847 days ago · 10 km deep · 40 km away
45. 1.771 km WSW of Karluk, AlaskaMon, Sep 6, 3:50 AM AKDT · 1847 days ago · 61 km deep · 60 km away
46. 1.575 km WNW of Karluk, AlaskaMon, Sep 6, 10:08 AM AKDT · 1846 days ago · 95 km deep · 55 km away
47. 1.953 km SW of Karluk, AlaskaMon, Sep 6, 4:26 PM AKDT · 1846 days ago · 61 km deep · 52 km away
48. 3.269 km ESE of Egegik, AlaskaThu, Sep 9, 2:19 AM AKDT · 1844 days ago · 137 km deep · 97 km away
49. 2.0Alaska PeninsulaThu, Sep 9, 3:33 AM AKDT · 1844 days ago · 7 km deep · 59 km away
50. 2.0Alaska PeninsulaFri, Sep 10, 2:25 PM AKDT · 1842 days ago · 130 km deep · 96 km away
51. 1.718 km NW of Karluk, AlaskaMon, Sep 13, 1:10 AM AKDT · 1840 days ago · 53 km deep · 7 km away
52. 2.779 km NW of Karluk, AlaskaMon, Sep 13, 9:58 AM AKDT · 1839 days ago · 1 km deep · 59 km away
53. 1.837 km NNE of Karluk, AlaskaMon, Sep 13, 7:12 PM AKDT · 1839 days ago · 51 km deep · 45 km away
54. 1.59 km NNE of Larsen Bay, AlaskaTue, Sep 14, 12:20 PM AKDT · 1838 days ago · 30 km deep · 51 km away
55. 2.026 km WNW of Karluk, AlaskaWed, Sep 15, 4:06 PM AKDT · 1837 days ago · 70 km deep · 6 km away
56. 1.995 km ESE of Ugashik, AlaskaThu, Sep 16, 3:17 PM AKDT · 1836 days ago · 17 km deep · 98 km away
57. 1.676 km ESE of Ugashik, AlaskaThu, Sep 16, 5:08 PM AKDT · 1836 days ago · 29 km deep · 94 km away
58. 2.774 km WNW of Karluk, AlaskaFri, Sep 17, 1:23 AM AKDT · 1836 days ago · 10 km deep · 54 km away
59. 2.154 km W of Akhiok, AlaskaSat, Sep 18, 5:59 AM AKDT · 1834 days ago · 7 km deep · 84 km away
60. 2.394 km SW of Karluk, AlaskaSun, Sep 19, 6:57 PM AKDT · 1833 days ago · 75 km deep · 84 km away

The first 60 of 106.

Before

1. 2.393 km WNW of Karluk, AlaskaMon, Aug 16, 12:36 AM AKDT · 1868 days ago · 110 km deep · 72 km away
2. 2.536 km NNE of Karluk, AlaskaSun, Aug 15, 2:00 PM AKDT · 1868 days ago · 54 km deep · 40 km away
3. 2.940 km SW of Karluk, AlaskaFri, Aug 13, 6:44 PM AKDT · 1870 days ago · 51 km deep · 38 km away
4. 1.8Kodiak Island region, AlaskaFri, Aug 13, 12:58 AM AKDT · 1871 days ago · 38 km deep · 76 km away
5. 1.630 km SSW of Karluk, AlaskaWed, Aug 11, 3:21 AM AKDT · 1873 days ago · 10 km deep · 37 km away
6. 1.630 km N of Akhiok, AlaskaTue, Aug 10, 10:50 PM AKDT · 1873 days ago · 8 km deep · 62 km away
7. 1.886 km NNW of Karluk, AlaskaMon, Aug 9, 12:13 AM AKDT · 1875 days ago · 5 km deep · 73 km away
8. 1.658 km NNW of Karluk, AlaskaSun, Aug 8, 6:21 AM AKDT · 1875 days ago · 94 km deep · 51 km away
9. 2.174 km W of Karluk, AlaskaSat, Aug 7, 3:22 PM AKDT · 1876 days ago · 15 km deep · 56 km away
10. 2.010 km ESE of Karluk, AlaskaThu, Aug 5, 8:46 AM AKDT · 1878 days ago · 57 km deep · 31 km away
11. 1.884 km NNW of Karluk, AlaskaThu, Aug 5, 8:20 AM AKDT · 1878 days ago · 2 km deep · 72 km away
12. 1.713 km NE of Larsen Bay, AlaskaThu, Aug 5, 2:04 AM AKDT · 1879 days ago · 13 km deep · 57 km away
13. 1.830 km W of Akhiok, AlaskaWed, Aug 4, 12:34 PM AKDT · 1879 days ago · 20 km deep · 73 km away
14. 1.685 km WSW of Karluk, AlaskaTue, Aug 3, 7:10 PM AKDT · 1880 days ago · 5 km deep · 73 km away
15. 2.980 km ESE of Egegik, AlaskaTue, Aug 3, 4:24 PM AKDT · 1880 days ago · 125 km deep · 87 km away
16. 2.827 km W of Akhiok, AlaskaTue, Aug 3, 8:45 AM AKDT · 1880 days ago · 4 km deep · 76 km away
17. 2.091 km WNW of Karluk, AlaskaMon, Aug 2, 7:58 PM AKDT · 1881 days ago · 11 km deep · 70 km away
18. 1.680 km WNW of Aleneva, AlaskaMon, Aug 2, 5:51 PM AKDT · 1881 days ago · 86 km deep · 99 km away
19. 2.259 km WSW of Karluk, AlaskaMon, Aug 2, 2:29 AM AKDT · 1882 days ago · 54 km deep · 49 km away
20. 1.986 km N of Karluk, AlaskaSun, Aug 1, 8:00 PM AKDT · 1882 days ago · 8 km deep · 79 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021aiuu1kf. Read Sun, Sep 27, 2026, 12:01 AM UTC.