M1.6 earthquake 67 km W of Tyonek, Alaska

Magnitude

1.6 (ml), micro

Local time

Sun, Aug 29, 2021, 8:17 AM AKDT

UTC

2021-08-29 16:17:04 UTC

Depth

119.7 km (74.4 mi), intermediate-depth

Epicenter

61.008° N, 152.379° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

41

• Nikiski, AlaskaPopulation 4,493. Forecast69 kmWNW
• Anchorage, AlaskaPopulation 289,600. Forecast135 kmW

After

1. 2.078 km WNW of Tyonek, AlaskaSun, Aug 29, 1:28 PM AKDT · 1853 days ago · 7 km deep · 33 km away
2. 1.828 km WSW of Susitna, AlaskaSun, Aug 29, 4:13 PM AKDT · 1853 days ago · 65 km deep · 87 km away
3. 2.354 km WNW of Happy Valley, AlaskaSun, Aug 29, 5:56 PM AKDT · 1853 days ago · 99 km deep · 99 km away
4. 1.511 km ESE of Tyonek, AlaskaSun, Aug 29, 11:24 PM AKDT · 1853 days ago · 55 km deep · 78 km away
5. 1.541 km SW of Skwentna, AlaskaMon, Aug 30, 9:11 AM AKDT · 1852 days ago · 100 km deep · 80 km away
6. 1.79 km NW of Point Possession, AlaskaMon, Aug 30, 10:22 PM AKDT · 1852 days ago · 13 km deep · 84 km away
7. 1.916 km SW of Tyonek, AlaskaTue, Aug 31, 3:56 PM AKDT · 1851 days ago · 67 km deep · 54 km away
8. 1.726 km SSW of Skwentna, AlaskaTue, Aug 31, 5:24 PM AKDT · 1851 days ago · 94 km deep · 95 km away
9. 1.568 km E of Port Alsworth, AlaskaWed, Sep 1, 3:03 AM AKDT · 1850 days ago · 129 km deep · 95 km away
10. 1.812 km SE of Beluga, AlaskaWed, Sep 1, 5:48 AM AKDT · 1850 days ago · 62 km deep · 80 km away
11. 1.568 km W of Tyonek, AlaskaWed, Sep 1, 10:32 AM AKDT · 1850 days ago · 115 km deep · 4 km away
12. 2.237 km W of Nikiski, AlaskaWed, Sep 1, 11:12 AM AKDT · 1850 days ago · 89 km deep · 39 km away
13. 1.78 km NE of Nikiski, AlaskaWed, Sep 1, 10:38 PM AKDT · 1850 days ago · 83 km deep · 72 km away
14. 1.622 km NNW of Ninilchik, AlaskaWed, Sep 1, 11:22 PM AKDT · 1850 days ago · 67 km deep · 91 km away
15. 1.666 km W of Tyonek, AlaskaWed, Sep 1, 11:41 PM AKDT · 1850 days ago · 105 km deep · 2 km away
16. 1.771 km W of Tyonek, AlaskaThu, Sep 2, 7:50 AM AKDT · 1849 days ago · 108 km deep · 7 km away
17. 1.555 km ENE of Port Alsworth, AlaskaThu, Sep 2, 12:50 PM AKDT · 1849 days ago · 4 km deep · 92 km away
18. 2.234 km WNW of Beluga, AlaskaFri, Sep 3, 5:38 AM AKDT · 1848 days ago · 81 km deep · 48 km away
19. 1.938 km W of Nikiski, AlaskaFri, Sep 3, 6:14 AM AKDT · 1848 days ago · 85 km deep · 36 km away
20. 1.636 km W of Susitna, AlaskaFri, Sep 3, 8:18 AM AKDT · 1848 days ago · 70 km deep · 91 km away
21. 2.515 km N of Beluga, AlaskaFri, Sep 3, 9:37 AM AKDT · 1848 days ago · 70 km deep · 74 km away · felt by 1
22. 1.647 km W of Tyonek, AlaskaSat, Sep 4, 12:57 AM AKDT · 1848 days ago · 88 km deep · 20 km away
23. 1.726 km SSW of Susitna, AlaskaSat, Sep 4, 5:31 AM AKDT · 1847 days ago · 60 km deep · 100 km away
24. 1.510 km NW of Point Possession, AlaskaSat, Sep 4, 8:34 AM AKDT · 1847 days ago · 54 km deep · 85 km away
25. 1.53 km NNW of Beluga, AlaskaSat, Sep 4, 9:05 AM AKDT · 1847 days ago · 61 km deep · 71 km away
26. 2.332 km W of Salamatof, AlaskaSat, Sep 4, 3:05 PM AKDT · 1847 days ago · 75 km deep · 55 km away
27. 1.516 km NNW of Sterling, AlaskaSun, Sep 5, 9:13 AM AKDT · 1846 days ago · 52 km deep · 88 km away
28. 2.521 km W of Tyonek, AlaskaSun, Sep 5, 10:46 PM AKDT · 1846 days ago · 75 km deep · 46 km away
29. 2.085 km NW of Ninilchik, AlaskaTue, Sep 7, 2:32 PM AKDT · 1844 days ago · 146 km deep · 60 km away
30. 2.053 km NW of Ninilchik, AlaskaTue, Sep 7, 10:08 PM AKDT · 1844 days ago · 85 km deep · 75 km away
31. 2.065 km WNW of Happy Valley, AlaskaTue, Sep 7, 10:46 PM AKDT · 1844 days ago · 112 km deep · 97 km away
32. 1.723 km NW of Nikiski, AlaskaWed, Sep 8, 10:21 AM AKDT · 1843 days ago · 78 km deep · 48 km away
33. 2.288 km ENE of Port Alsworth, AlaskaWed, Sep 8, 11:15 AM AKDT · 1843 days ago · 137 km deep · 53 km away
34. 1.727 km NW of Beluga, AlaskaThu, Sep 9, 6:23 AM AKDT · 1842 days ago · 64 km deep · 62 km away
35. 1.755 km WNW of Ninilchik, AlaskaThu, Sep 9, 7:24 AM AKDT · 1842 days ago · 101 km deep · 91 km away
36. 2.045 km NW of Ninilchik, AlaskaThu, Sep 9, 3:24 PM AKDT · 1842 days ago · 82 km deep · 76 km away
37. 3.324 km WNW of Clam Gulch, AlaskaThu, Sep 9, 9:31 PM AKDT · 1842 days ago · 66 km deep · 81 km away
38. 1.559 km WNW of Nikiski, AlaskaFri, Sep 10, 2:05 AM AKDT · 1842 days ago · 11 km deep · 17 km away
39. 1.754 km WNW of Ninilchik, AlaskaFri, Sep 10, 4:49 AM AKDT · 1841 days ago · 102 km deep · 92 km away
40. 2.52 km ESE of Tyonek, AlaskaFri, Sep 10, 9:28 AM AKDT · 1841 days ago · 57 km deep · 70 km away
41. 1.836 km NW of Ninilchik, AlaskaFri, Sep 10, 9:50 AM AKDT · 1841 days ago · 95 km deep · 84 km away
42. 1.534 km NW of Nikiski, AlaskaFri, Sep 10, 2:43 PM AKDT · 1841 days ago · 78 km deep · 35 km away
43. 3.95 km SSW of Kasilof, AlaskaFri, Sep 10, 9:58 PM AKDT · 1841 days ago · 60 km deep · 98 km away · felt by 39 · tsunami flag
44. 1.94 km SW of Kasilof, AlaskaFri, Sep 10, 10:03 PM AKDT · 1841 days ago · 58 km deep · 96 km away · felt by 1
45. 1.741 km NW of Ninilchik, AlaskaSat, Sep 11, 11:46 AM AKDT · 1840 days ago · 84 km deep · 80 km away
46. 1.538 km WSW of Salamatof, AlaskaSat, Sep 11, 5:04 PM AKDT · 1840 days ago · 86 km deep · 60 km away
47. 2.066 km W of Tyonek, AlaskaSat, Sep 11, 8:54 PM AKDT · 1840 days ago · 112 km deep · 7 km away
48. 1.674 km NE of Port Alsworth, AlaskaSun, Sep 12, 1:25 AM AKDT · 1840 days ago · 170 km deep · 65 km away
49. 2.259 km W of Ninilchik, AlaskaSun, Sep 12, 1:40 AM AKDT · 1840 days ago · 108 km deep · 96 km away
50. 1.874 km WNW of Ninilchik, AlaskaSun, Sep 12, 5:35 AM AKDT · 1839 days ago · 118 km deep · 89 km away
51. 1.957 km NW of Ninilchik, AlaskaSun, Sep 12, 6:19 AM AKDT · 1839 days ago · 104 km deep · 74 km away
52. 1.760 km W of Tyonek, AlaskaSun, Sep 12, 8:08 PM AKDT · 1839 days ago · 92 km deep · 10 km away
53. 1.719 km SW of Tyonek, AlaskaMon, Sep 13, 2:16 AM AKDT · 1838 days ago · 117 km deep · 56 km away
54. 1.955 km NW of Ninilchik, AlaskaMon, Sep 13, 3:28 AM AKDT · 1838 days ago · 91 km deep · 68 km away
55. 2.045 km SW of Skwentna, AlaskaMon, Sep 13, 4:08 AM AKDT · 1838 days ago · 110 km deep · 80 km away
56. 2.272 km NW of Ninilchik, AlaskaMon, Sep 13, 5:48 PM AKDT · 1838 days ago · 110 km deep · 65 km away
57. 1.910 km S of Tyonek, AlaskaMon, Sep 13, 7:27 PM AKDT · 1838 days ago · 52 km deep · 65 km away
58. 2.379 km W of Salamatof, AlaskaTue, Sep 14, 1:54 PM AKDT · 1837 days ago · 119 km deep · 58 km away
59. 1.569 km WNW of Ninilchik, AlaskaTue, Sep 14, 6:09 PM AKDT · 1837 days ago · 119 km deep · 84 km away
60. 1.663 km W of Tyonek, AlaskaWed, Sep 15, 2:24 AM AKDT · 1836 days ago · 107 km deep · 5 km away

The first 60 of at least 199.

Before

1. 1.836 km WNW of Ninilchik, AlaskaSat, Aug 28, 7:46 PM AKDT · 1854 days ago · 73 km deep · 89 km away
2. 2.012 km NNE of Ridgeway, AlaskaSat, Aug 28, 7:26 PM AKDT · 1854 days ago · 52 km deep · 86 km away
3. 1.825 km WSW of Susitna, AlaskaSat, Aug 28, 7:26 PM AKDT · 1854 days ago · 68 km deep · 91 km away
4. 1.649 km W of Ninilchik, AlaskaSat, Aug 28, 7:15 PM AKDT · 1854 days ago · 94 km deep · 97 km away
5. 1.566 km W of Tyonek, AlaskaSat, Aug 28, 7:13 PM AKDT · 1854 days ago · 114 km deep · 9 km away
6. 1.620 km SW of Point Possession, AlaskaSat, Aug 28, 2:06 PM AKDT · 1854 days ago · 61 km deep · 79 km away
7. 1.644 km WNW of Ninilchik, AlaskaSat, Aug 28, 1:01 PM AKDT · 1854 days ago · 84 km deep · 89 km away
8. 1.715 km NW of Kalifornsky, AlaskaSat, Aug 28, 7:17 AM AKDT · 1854 days ago · 66 km deep · 73 km away
9. 2.088 km ENE of Port Alsworth, AlaskaSat, Aug 28, 6:51 AM AKDT · 1854 days ago · 130 km deep · 55 km away
10. 2.112 km E of Beluga, AlaskaSat, Aug 28, 1:45 AM AKDT · 1855 days ago · 54 km deep · 83 km away
11. 1.713 km W of Salamatof, AlaskaFri, Aug 27, 8:44 PM AKDT · 1855 days ago · 70 km deep · 61 km away
12. 2.843 km NW of Ninilchik, AlaskaFri, Aug 27, 4:54 PM AKDT · 1855 days ago · 83 km deep · 77 km away
13. 1.645 km WNW of Beluga, AlaskaFri, Aug 27, 2:31 PM AKDT · 1855 days ago · 87 km deep · 47 km away
14. 1.543 km NW of Ninilchik, AlaskaThu, Aug 26, 8:45 PM AKDT · 1856 days ago · 89 km deep · 74 km away
15. 1.763 km W of Tyonek, AlaskaThu, Aug 26, 1:15 PM AKDT · 1856 days ago · 114 km deep · 5 km away
16. 1.751 km NW of Beluga, AlaskaWed, Aug 25, 6:27 PM AKDT · 1857 days ago · 78 km deep · 70 km away
17. 2.344 km NW of Ninilchik, AlaskaTue, Aug 24, 9:04 PM AKDT · 1858 days ago · 90 km deep · 74 km away
18. 1.6Southern AlaskaTue, Aug 24, 8:22 AM AKDT · 1858 days ago · 117 km deep · 100 km away
19. 1.772 km WNW of Happy Valley, AlaskaTue, Aug 24, 5:28 AM AKDT · 1858 days ago · 120 km deep · 98 km away
20. 1.664 km WNW of Happy Valley, AlaskaTue, Aug 24, 3:09 AM AKDT · 1858 days ago · 101 km deep · 98 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021b2u58fb. Read Fri, Sep 25, 2026, 9:42 PM UTC.