M1.8 earthquake 21 km NNE of Nikiski, Alaska

Magnitude

1.8 (ml), micro

Local time

Tue, Aug 17, 2021, 10:53 PM AKDT

UTC

2021-08-18 06:53:16 UTC

Depth

54.8 km (34.1 mi), shallow

Epicenter

60.859° N, 151.102° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

61

• Nikiski, AlaskaPopulation 4,493. Forecast21 kmNNE
• Anchorage, AlaskaPopulation 289,600. Forecast76 kmWSW

After

1. 2.116 km SSE of Soldotna, AlaskaWed, Aug 18, 1:04 AM AKDT · 1868 days ago · 55 km deep · 57 km away
2. 1.628 km WNW of Ninilchik, AlaskaWed, Aug 18, 6:25 AM AKDT · 1867 days ago · 83 km deep · 92 km away
3. 2.617 km N of Nikiski, AlaskaWed, Aug 18, 8:24 AM AKDT · 1867 days ago · 64 km deep · 12 km away
4. 1.83 km NW of Point MacKenzie, AlaskaWed, Aug 18, 10:20 AM AKDT · 1867 days ago · 46 km deep · 82 km away
5. 2.433 km SSE of Funny River, AlaskaWed, Aug 18, 1:50 PM AKDT · 1867 days ago · 11 km deep · 77 km away
6. 1.720 km WNW of Susitna, AlaskaWed, Aug 18, 8:43 PM AKDT · 1867 days ago · 62 km deep · 86 km away
7. 2.33 km SSW of Susitna, AlaskaThu, Aug 19, 7:13 AM AKDT · 1866 days ago · 6 km deep · 79 km away
8. 1.578 km W of Salamatof, AlaskaThu, Aug 19, 9:58 AM AKDT · 1866 days ago · 124 km deep · 93 km away
9. 2.739 km NW of Ninilchik, AlaskaThu, Aug 19, 11:51 AM AKDT · 1866 days ago · 75 km deep · 81 km away
10. 2.379 km WNW of Tyonek, AlaskaThu, Aug 19, 2:42 PM AKDT · 1866 days ago · 1 km deep · 91 km away
11. 2.923 km NNE of Cooper Landing, AlaskaThu, Aug 19, 7:02 PM AKDT · 1866 days ago · 30 km deep · 82 km away · felt by 1
12. 1.544 km NW of Ninilchik, AlaskaThu, Aug 19, 7:18 PM AKDT · 1866 days ago · 81 km deep · 84 km away
13. 1.710 km E of Point Possession, AlaskaThu, Aug 19, 8:06 PM AKDT · 1866 days ago · 10 km deep · 34 km away
14. 1.77 km E of Ninilchik, AlaskaFri, Aug 20, 12:17 AM AKDT · 1866 days ago · 61 km deep · 93 km away
15. 2.833 km NW of Beluga, AlaskaFri, Aug 20, 12:12 PM AKDT · 1865 days ago · 78 km deep · 60 km away
16. 1.745 km WSW of Salamatof, AlaskaFri, Aug 20, 7:34 PM AKDT · 1865 days ago · 97 km deep · 67 km away
17. 1.528 km NNE of Fox River, AlaskaFri, Aug 20, 9:38 PM AKDT · 1865 days ago · 42 km deep · 89 km away
18. 1.57 km SSE of Big Lake, AlaskaSat, Aug 21, 4:23 AM AKDT · 1864 days ago · 28 km deep · 93 km away
19. 2.014 km N of Beluga, AlaskaSat, Aug 21, 1:17 PM AKDT · 1864 days ago · 72 km deep · 46 km away
20. 1.967 km W of Tyonek, AlaskaSat, Aug 21, 6:57 PM AKDT · 1864 days ago · 122 km deep · 75 km away
21. 1.615 km SW of Cooper Landing, AlaskaSun, Aug 22, 4:00 AM AKDT · 1863 days ago · 43 km deep · 76 km away
22. 2.11 km ENE of Big Lake, AlaskaSun, Aug 22, 10:45 AM AKDT · 1863 days ago · 46 km deep · 98 km away
23. 2.128 km NE of Beluga, AlaskaSun, Aug 22, 2:48 PM AKDT · 1863 days ago · 49 km deep · 54 km away
24. 1.932 km NW of Beluga, AlaskaSun, Aug 22, 8:40 PM AKDT · 1863 days ago · 71 km deep · 60 km away
25. 1.626 km NNE of Point Possession, AlaskaSun, Aug 22, 11:19 PM AKDT · 1863 days ago · 11 km deep · 46 km away
26. 1.543 km SSW of Cooper Landing, AlaskaMon, Aug 23, 2:07 AM AKDT · 1863 days ago · 37 km deep · 90 km away
27. 2.468 km WNW of Beluga, AlaskaMon, Aug 23, 3:25 AM AKDT · 1863 days ago · 116 km deep · 85 km away
28. 1.94 km NNW of Sunrise, AlaskaMon, Aug 23, 1:05 PM AKDT · 1862 days ago · 20 km deep · 89 km away
29. 1.520 km E of Kasilof, AlaskaMon, Aug 23, 1:56 PM AKDT · 1862 days ago · 54 km deep · 61 km away
30. 1.655 km W of Tyonek, AlaskaTue, Aug 24, 3:04 AM AKDT · 1862 days ago · 110 km deep · 64 km away
31. 1.524 km NNE of Fox River, AlaskaTue, Aug 24, 10:42 AM AKDT · 1861 days ago · 49 km deep · 89 km away
32. 1.53 km NE of Big Lake, AlaskaTue, Aug 24, 2:39 PM AKDT · 1861 days ago · 55 km deep · 100 km away
33. 1.515 km WSW of Big Lake, AlaskaTue, Aug 24, 3:24 PM AKDT · 1861 days ago · 8 km deep · 82 km away
34. 1.97 km ESE of Ninilchik, AlaskaTue, Aug 24, 7:42 PM AKDT · 1861 days ago · 59 km deep · 97 km away
35. 2.344 km NW of Ninilchik, AlaskaTue, Aug 24, 9:04 PM AKDT · 1861 days ago · 90 km deep · 83 km away
36. 1.751 km NW of Beluga, AlaskaWed, Aug 25, 6:27 PM AKDT · 1860 days ago · 78 km deep · 79 km away
37. 1.624 km ENE of Point Possession, AlaskaThu, Aug 26, 3:54 AM AKDT · 1859 days ago · 44 km deep · 48 km away
38. 1.763 km W of Tyonek, AlaskaThu, Aug 26, 1:15 PM AKDT · 1859 days ago · 114 km deep · 68 km away
39. 2.023 km WSW of Point MacKenzie, AlaskaThu, Aug 26, 4:49 PM AKDT · 1859 days ago · 9 km deep · 60 km away
40. 1.543 km NW of Ninilchik, AlaskaThu, Aug 26, 8:45 PM AKDT · 1859 days ago · 89 km deep · 82 km away
41. 1.645 km WNW of Beluga, AlaskaFri, Aug 27, 2:31 PM AKDT · 1858 days ago · 87 km deep · 66 km away
42. 2.843 km NW of Ninilchik, AlaskaFri, Aug 27, 4:54 PM AKDT · 1858 days ago · 83 km deep · 86 km away
43. 1.713 km W of Salamatof, AlaskaFri, Aug 27, 8:44 PM AKDT · 1858 days ago · 70 km deep · 36 km away
44. 2.112 km E of Beluga, AlaskaSat, Aug 28, 1:45 AM AKDT · 1858 days ago · 54 km deep · 34 km away
45. 1.613 km ENE of Sterling, AlaskaSat, Aug 28, 3:25 AM AKDT · 1858 days ago · 38 km deep · 43 km away
46. 1.715 km NW of Kalifornsky, AlaskaSat, Aug 28, 7:17 AM AKDT · 1857 days ago · 66 km deep · 46 km away
47. 2.226 km SE of Funny River, AlaskaSat, Aug 28, 1:15 PM AKDT · 1857 days ago · 45 km deep · 69 km away
48. 2.114 km S of Clam Gulch, AlaskaSat, Aug 28, 1:44 PM AKDT · 1857 days ago · 63 km deep · 86 km away
49. 1.620 km SW of Point Possession, AlaskaSat, Aug 28, 2:06 PM AKDT · 1857 days ago · 61 km deep · 9 km away
50. 1.515 km SW of Susitna, AlaskaSat, Aug 28, 2:35 PM AKDT · 1857 days ago · 64 km deep · 69 km away
51. 1.55 km WSW of Big Lake, AlaskaSat, Aug 28, 4:20 PM AKDT · 1857 days ago · 37 km deep · 91 km away
52. 1.566 km W of Tyonek, AlaskaSat, Aug 28, 7:13 PM AKDT · 1857 days ago · 114 km deep · 73 km away
53. 1.825 km WSW of Susitna, AlaskaSat, Aug 28, 7:26 PM AKDT · 1857 days ago · 68 km deep · 66 km away
54. 2.012 km NNE of Ridgeway, AlaskaSat, Aug 28, 7:26 PM AKDT · 1857 days ago · 52 km deep · 26 km away
55. 1.836 km WNW of Ninilchik, AlaskaSat, Aug 28, 7:46 PM AKDT · 1857 days ago · 73 km deep · 96 km away
56. 1.667 km W of Tyonek, AlaskaSun, Aug 29, 8:17 AM AKDT · 1856 days ago · 120 km deep · 71 km away
57. 2.078 km WNW of Tyonek, AlaskaSun, Aug 29, 1:28 PM AKDT · 1856 days ago · 7 km deep · 90 km away
58. 1.828 km WSW of Susitna, AlaskaSun, Aug 29, 4:13 PM AKDT · 1856 days ago · 65 km deep · 62 km away
59. 1.511 km ESE of Tyonek, AlaskaSun, Aug 29, 11:24 PM AKDT · 1856 days ago · 55 km deep · 21 km away
60. 2.29 km SW of Susitna, AlaskaMon, Aug 30, 12:28 AM AKDT · 1856 days ago · 45 km deep · 73 km away

The first 60 of 196.

Before

1. 2.111 km W of Point Possession, AlaskaTue, Aug 17, 6:22 PM AKDT · 1868 days ago · 12 km deep · 13 km away
2. 1.548 km NW of Beluga, AlaskaTue, Aug 17, 5:26 PM AKDT · 1868 days ago · 93 km deep · 71 km away
3. 1.937 km W of Salamatof, AlaskaTue, Aug 17, 4:34 PM AKDT · 1868 days ago · 79 km deep · 56 km away
4. 1.516 km SSE of Point Possession, AlaskaTue, Aug 17, 11:57 AM AKDT · 1868 days ago · 35 km deep · 29 km away
5. 1.759 km WNW of Tyonek, AlaskaTue, Aug 17, 7:12 AM AKDT · 1868 days ago · 111 km deep · 71 km away
6. 1.614 km W of Point Possession, AlaskaTue, Aug 17, 6:01 AM AKDT · 1868 days ago · 11 km deep · 12 km away
7. 1.618 km NE of Nikiski, AlaskaTue, Aug 17, 4:00 AM AKDT · 1868 days ago · 6 km deep · 8 km away
8. 1.614 km WSW of Salamatof, AlaskaTue, Aug 17, 3:41 AM AKDT · 1869 days ago · 71 km deep · 40 km away
9. 1.636 km WNW of Beluga, AlaskaMon, Aug 16, 11:20 PM AKDT · 1869 days ago · 80 km deep · 54 km away
10. 1.869 km W of Salamatof, AlaskaMon, Aug 16, 10:32 PM AKDT · 1869 days ago · 122 km deep · 83 km away
11. 2.280 km NW of Ninilchik, AlaskaMon, Aug 16, 6:27 PM AKDT · 1869 days ago · 113 km deep · 100 km away
12. 1.683 km W of Salamatof, AlaskaMon, Aug 16, 5:22 PM AKDT · 1869 days ago · 123 km deep · 97 km away
13. 2.422 km W of Nikiski, AlaskaMon, Aug 16, 1:27 PM AKDT · 1869 days ago · 73 km deep · 37 km away
14. 1.74 km SSE of Big Lake, AlaskaMon, Aug 16, 10:53 AM AKDT · 1869 days ago · 30 km deep · 95 km away
15. 1.925 km W of Tyonek, AlaskaMon, Aug 16, 10:14 AM AKDT · 1869 days ago · 73 km deep · 33 km away
16. 1.630 km WNW of Clam Gulch, AlaskaMon, Aug 16, 4:58 AM AKDT · 1869 days ago · 90 km deep · 68 km away
17. 1.546 km SSW of Skwentna, AlaskaMon, Aug 16, 12:45 AM AKDT · 1870 days ago · 94 km deep · 95 km away
18. 2.242 km NW of Ninilchik, AlaskaSun, Aug 15, 7:22 PM AKDT · 1870 days ago · 98 km deep · 84 km away
19. 1.517 km SW of Tyonek, AlaskaSun, Aug 15, 3:23 AM AKDT · 1871 days ago · 73 km deep · 21 km away
20. 1.86 km NNE of Point MacKenzie, AlaskaSun, Aug 15, 1:16 AM AKDT · 1871 days ago · 31 km deep · 88 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021akhhtdi. Read Mon, Sep 28, 2026, 11:20 PM UTC.