M1.6 earthquake 83 km NW of Ninilchik, Alaska

Magnitude

1.6 (ml), micro

Local time

Sat, Aug 21, 2021, 9:05 AM AKDT

UTC

2021-08-21 17:05:13 UTC

Depth

143.0 km (88.9 mi), intermediate-depth

Epicenter

60.489° N, 152.896° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

33

• Ninilchik, AlaskaPopulation 883. Forecast83 kmNW
• Anchorage, AlaskaPopulation 289,600. Forecast181 kmWSW

After

1. 1.849 km WNW of Happy Valley, AlaskaSat, Aug 21, 10:32 AM AKDT · 1861 days ago · 106 km deep · 45 km away
2. 1.767 km E of Port Alsworth, AlaskaSat, Aug 21, 11:08 AM AKDT · 1861 days ago · 138 km deep · 23 km away
3. 1.638 km ENE of Pedro Bay, AlaskaSat, Aug 21, 12:38 PM AKDT · 1861 days ago · 131 km deep · 74 km away
4. 1.648 km WNW of Happy Valley, AlaskaSat, Aug 21, 1:00 PM AKDT · 1861 days ago · 92 km deep · 46 km away
5. 1.967 km W of Tyonek, AlaskaSat, Aug 21, 6:57 PM AKDT · 1861 days ago · 122 km deep · 75 km away
6. 1.548 km ENE of Pedro Bay, AlaskaSun, Aug 22, 7:48 AM AKDT · 1860 days ago · 123 km deep · 66 km away
7. 1.943 km E of Pedro Bay, AlaskaMon, Aug 23, 6:03 PM AKDT · 1859 days ago · 128 km deep · 87 km away
8. 1.969 km E of Port Alsworth, AlaskaTue, Aug 24, 12:08 AM AKDT · 1859 days ago · 138 km deep · 36 km away
9. 1.655 km W of Tyonek, AlaskaTue, Aug 24, 3:04 AM AKDT · 1859 days ago · 110 km deep · 81 km away
10. 1.664 km WNW of Happy Valley, AlaskaTue, Aug 24, 3:09 AM AKDT · 1859 days ago · 101 km deep · 38 km away
11. 1.559 km WNW of Anchor Point, AlaskaTue, Aug 24, 3:19 AM AKDT · 1859 days ago · 90 km deep · 57 km away
12. 1.772 km WNW of Happy Valley, AlaskaTue, Aug 24, 5:28 AM AKDT · 1858 days ago · 120 km deep · 35 km away
13. 1.662 km WNW of Anchor Point, AlaskaTue, Aug 24, 7:09 AM AKDT · 1858 days ago · 109 km deep · 63 km away
14. 1.6Southern AlaskaTue, Aug 24, 8:22 AM AKDT · 1858 days ago · 117 km deep · 37 km away
15. 1.97 km ESE of Ninilchik, AlaskaTue, Aug 24, 7:42 PM AKDT · 1858 days ago · 59 km deep · 91 km away
16. 2.344 km NW of Ninilchik, AlaskaTue, Aug 24, 9:04 PM AKDT · 1858 days ago · 90 km deep · 41 km away
17. 2.244 km W of Happy Valley, AlaskaWed, Aug 25, 1:59 AM AKDT · 1858 days ago · 96 km deep · 61 km away
18. 2.257 km W of Anchor Point, AlaskaWed, Aug 25, 11:58 AM AKDT · 1857 days ago · 100 km deep · 71 km away
19. 1.648 km ENE of Pedro Bay, AlaskaWed, Aug 25, 9:12 PM AKDT · 1857 days ago · 129 km deep · 70 km away
20. 1.852 km NE of Pedro Bay, AlaskaThu, Aug 26, 6:01 AM AKDT · 1856 days ago · 153 km deep · 53 km away
21. 1.763 km W of Tyonek, AlaskaThu, Aug 26, 1:15 PM AKDT · 1856 days ago · 114 km deep · 69 km away
22. 1.543 km NW of Ninilchik, AlaskaThu, Aug 26, 8:45 PM AKDT · 1856 days ago · 89 km deep · 43 km away
23. 1.655 km E of Pedro Bay, AlaskaThu, Aug 26, 8:47 PM AKDT · 1856 days ago · 108 km deep · 78 km away
24. 1.854 km E of Port Alsworth, AlaskaThu, Aug 26, 9:08 PM AKDT · 1856 days ago · 151 km deep · 44 km away
25. 2.164 km WNW of Happy Valley, AlaskaFri, Aug 27, 8:09 AM AKDT · 1855 days ago · 116 km deep · 43 km away
26. 3.615 km WSW of Anchor Point, AlaskaFri, Aug 27, 8:19 AM AKDT · 1855 days ago · 62 km deep · 99 km away · felt by 5
27. 2.860 km E of Port Alsworth, AlaskaFri, Aug 27, 4:50 PM AKDT · 1855 days ago · 142 km deep · 38 km away
28. 2.843 km NW of Ninilchik, AlaskaFri, Aug 27, 4:54 PM AKDT · 1855 days ago · 83 km deep · 41 km away
29. 1.713 km W of Salamatof, AlaskaFri, Aug 27, 8:44 PM AKDT · 1855 days ago · 70 km deep · 74 km away
30. 2.245 km NE of Pedro Bay, AlaskaSat, Aug 28, 4:06 AM AKDT · 1854 days ago · 143 km deep · 60 km away
31. 1.651 km ENE of Pedro Bay, AlaskaSat, Aug 28, 4:10 AM AKDT · 1854 days ago · 104 km deep · 63 km away
32. 2.088 km ENE of Port Alsworth, AlaskaSat, Aug 28, 6:51 AM AKDT · 1854 days ago · 130 km deep · 12 km away
33. 1.715 km NW of Kalifornsky, AlaskaSat, Aug 28, 7:17 AM AKDT · 1854 days ago · 66 km deep · 75 km away
34. 1.644 km WNW of Ninilchik, AlaskaSat, Aug 28, 1:01 PM AKDT · 1854 days ago · 84 km deep · 42 km away
35. 2.114 km S of Clam Gulch, AlaskaSat, Aug 28, 1:44 PM AKDT · 1854 days ago · 63 km deep · 93 km away
36. 1.566 km W of Tyonek, AlaskaSat, Aug 28, 7:13 PM AKDT · 1854 days ago · 114 km deep · 72 km away
37. 1.649 km W of Ninilchik, AlaskaSat, Aug 28, 7:15 PM AKDT · 1854 days ago · 94 km deep · 44 km away
38. 2.3Southern AlaskaSat, Aug 28, 7:38 PM AKDT · 1854 days ago · 76 km deep · 67 km away
39. 1.836 km WNW of Ninilchik, AlaskaSat, Aug 28, 7:46 PM AKDT · 1854 days ago · 73 km deep · 47 km away
40. 1.643 km E of Pedro Bay, AlaskaSun, Aug 29, 2:06 AM AKDT · 1854 days ago · 127 km deep · 82 km away
41. 1.768 km WNW of Happy Valley, AlaskaSun, Aug 29, 8:12 AM AKDT · 1853 days ago · 117 km deep · 46 km away
42. 1.667 km W of Tyonek, AlaskaSun, Aug 29, 8:17 AM AKDT · 1853 days ago · 120 km deep · 64 km away
43. 1.645 km ENE of Pedro Bay, AlaskaSun, Aug 29, 1:12 PM AKDT · 1853 days ago · 113 km deep · 71 km away
44. 2.078 km WNW of Tyonek, AlaskaSun, Aug 29, 1:28 PM AKDT · 1853 days ago · 7 km deep · 93 km away
45. 1.533 km ENE of Pedro Bay, AlaskaSun, Aug 29, 3:27 PM AKDT · 1853 days ago · 126 km deep · 71 km away
46. 1.763 km E of Pedro Bay, AlaskaSun, Aug 29, 4:05 PM AKDT · 1853 days ago · 86 km deep · 85 km away
47. 2.354 km WNW of Happy Valley, AlaskaSun, Aug 29, 5:56 PM AKDT · 1853 days ago · 99 km deep · 43 km away
48. 1.666 km W of Happy Valley, AlaskaMon, Aug 30, 2:23 AM AKDT · 1853 days ago · 112 km deep · 47 km away
49. 2.134 km E of Pedro Bay, AlaskaMon, Aug 30, 4:56 AM AKDT · 1852 days ago · 122 km deep · 88 km away
50. 1.853 km NE of Pedro Bay, AlaskaMon, Aug 30, 4:01 PM AKDT · 1852 days ago · 127 km deep · 53 km away
51. 2.431 km E of Pedro Bay, AlaskaMon, Aug 30, 7:17 PM AKDT · 1852 days ago · 144 km deep · 84 km away
52. 1.916 km SW of Tyonek, AlaskaTue, Aug 31, 3:56 PM AKDT · 1851 days ago · 67 km deep · 98 km away
53. 1.568 km E of Port Alsworth, AlaskaWed, Sep 1, 3:03 AM AKDT · 1851 days ago · 129 km deep · 31 km away
54. 1.846 km E of Pedro Bay, AlaskaWed, Sep 1, 9:29 AM AKDT · 1850 days ago · 118 km deep · 81 km away
55. 1.568 km W of Tyonek, AlaskaWed, Sep 1, 10:32 AM AKDT · 1850 days ago · 115 km deep · 67 km away
56. 2.237 km W of Nikiski, AlaskaWed, Sep 1, 11:12 AM AKDT · 1850 days ago · 89 km deep · 57 km away
57. 1.78 km NE of Nikiski, AlaskaWed, Sep 1, 10:38 PM AKDT · 1850 days ago · 83 km deep · 98 km away
58. 1.622 km NNW of Ninilchik, AlaskaWed, Sep 1, 11:22 PM AKDT · 1850 days ago · 67 km deep · 65 km away
59. 1.666 km W of Tyonek, AlaskaWed, Sep 1, 11:41 PM AKDT · 1850 days ago · 105 km deep · 67 km away
60. 2.153 km E of Pedro Bay, AlaskaThu, Sep 2, 1:51 AM AKDT · 1850 days ago · 97 km deep · 83 km away

The first 60 of 196.

Before

1. 1.935 km E of Pedro Bay, AlaskaSat, Aug 21, 6:07 AM AKDT · 1861 days ago · 132 km deep · 80 km away
2. 1.547 km WNW of Happy Valley, AlaskaSat, Aug 21, 5:14 AM AKDT · 1861 days ago · 93 km deep · 48 km away
3. 1.745 km WSW of Salamatof, AlaskaFri, Aug 20, 7:34 PM AKDT · 1862 days ago · 97 km deep · 42 km away
4. 1.753 km E of Pedro Bay, AlaskaFri, Aug 20, 6:03 PM AKDT · 1862 days ago · 115 km deep · 87 km away
5. 1.650 km W of Anchor Point, AlaskaFri, Aug 20, 11:49 AM AKDT · 1862 days ago · 84 km deep · 86 km away
6. 1.77 km E of Ninilchik, AlaskaFri, Aug 20, 12:17 AM AKDT · 1863 days ago · 61 km deep · 90 km away
7. 1.640 km E of Pedro Bay, AlaskaThu, Aug 19, 7:45 PM AKDT · 1863 days ago · 140 km deep · 77 km away
8. 1.544 km NW of Ninilchik, AlaskaThu, Aug 19, 7:18 PM AKDT · 1863 days ago · 81 km deep · 40 km away
9. 1.561 km W of Happy Valley, AlaskaThu, Aug 19, 3:25 PM AKDT · 1863 days ago · 108 km deep · 53 km away
10. 2.379 km WNW of Tyonek, AlaskaThu, Aug 19, 2:42 PM AKDT · 1863 days ago · 1 km deep · 91 km away
11. 1.833 km E of Pedro Bay, AlaskaThu, Aug 19, 12:55 PM AKDT · 1863 days ago · 125 km deep · 80 km away
12. 2.739 km NW of Ninilchik, AlaskaThu, Aug 19, 11:51 AM AKDT · 1863 days ago · 75 km deep · 46 km away
13. 1.578 km W of Salamatof, AlaskaThu, Aug 19, 9:58 AM AKDT · 1863 days ago · 124 km deep · 18 km away
14. 2.1Southern AlaskaThu, Aug 19, 8:15 AM AKDT · 1863 days ago · 102 km deep · 50 km away
15. 2.617 km N of Nikiski, AlaskaWed, Aug 18, 8:24 AM AKDT · 1864 days ago · 64 km deep · 95 km away
16. 1.628 km WNW of Ninilchik, AlaskaWed, Aug 18, 6:25 AM AKDT · 1864 days ago · 83 km deep · 55 km away
17. 1.666 km E of Port Alsworth, AlaskaWed, Aug 18, 1:57 AM AKDT · 1865 days ago · 125 km deep · 26 km away
18. 2.859 km WNW of Anchor Point, AlaskaTue, Aug 17, 11:23 PM AKDT · 1865 days ago · 101 km deep · 54 km away
19. 1.929 km NE of Pedro Bay, AlaskaTue, Aug 17, 8:38 PM AKDT · 1865 days ago · 157 km deep · 74 km away
20. 2.764 km E of Port Alsworth, AlaskaTue, Aug 17, 7:57 PM AKDT · 1865 days ago · 141 km deep · 35 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021apmdc59. Read Fri, Sep 25, 2026, 10:57 PM UTC.