M1.6 earthquake 50 km WNW of Tyonek, Alaska

Magnitude

1.6 (ml), micro

Local time

Fri, Oct 1, 2021, 5:36 PM AKDT

UTC

2021-10-02 01:36:09 UTC

Depth

93.1 km (57.8 mi), intermediate-depth

Epicenter

61.224° N, 152.026° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

32

• Nikiski, AlaskaPopulation 4,493. Forecast71 kmNNW
• Anchorage, AlaskaPopulation 289,600. Forecast114 kmW

After

1. 2.665 km WNW of Beluga, AlaskaFri, Oct 1, 6:42 PM AKDT · 1818 days ago · 136 km deep · 19 km away
2. 1.545 km WSW of Tyonek, AlaskaFri, Oct 1, 9:46 PM AKDT · 1818 days ago · 78 km deep · 29 km away
3. 1.611 km NW of Beluga, AlaskaSat, Oct 2, 12:16 AM AKDT · 1818 days ago · 68 km deep · 42 km away
4. 2.013 km ESE of Susitna, AlaskaSat, Oct 2, 2:06 AM AKDT · 1818 days ago · 51 km deep · 97 km away · felt by 1
5. 1.710 km WNW of Tyonek, AlaskaSat, Oct 2, 1:44 PM AKDT · 1818 days ago · 85 km deep · 41 km away
6. 1.854 km SW of Skwentna, AlaskaSat, Oct 2, 1:49 PM AKDT · 1818 days ago · 116 km deep · 47 km away
7. 1.512 km NNW of Beluga, AlaskaSat, Oct 2, 3:29 PM AKDT · 1817 days ago · 64 km deep · 45 km away
8. 1.756 km W of Nikiski, AlaskaSun, Oct 3, 2:07 AM AKDT · 1817 days ago · 91 km deep · 51 km away
9. 2.144 km WNW of Clam Gulch, AlaskaSun, Oct 3, 6:09 AM AKDT · 1817 days ago · 77 km deep · 91 km away
10. 1.516 km W of Salamatof, AlaskaMon, Oct 4, 1:00 PM AKDT · 1816 days ago · 72 km deep · 74 km away
11. 2.135 km S of Skwentna, AlaskaTue, Oct 5, 3:20 AM AKDT · 1815 days ago · 79 km deep · 57 km away
12. 1.873 km W of Nikiski, AlaskaTue, Oct 5, 10:57 PM AKDT · 1814 days ago · 121 km deep · 54 km away
13. 1.6Kenai Peninsula, AlaskaWed, Oct 6, 8:21 PM AKDT · 1813 days ago · 77 km deep · 34 km away
14. 1.734 km WNW of Clam Gulch, AlaskaThu, Oct 7, 12:38 AM AKDT · 1813 days ago · 72 km deep · 98 km away
15. 1.726 km W of Salamatof, AlaskaThu, Oct 7, 2:13 AM AKDT · 1813 days ago · 76 km deep · 66 km away
16. 2.0Southern AlaskaThu, Oct 7, 10:29 AM AKDT · 1813 days ago · 120 km deep · 30 km away
17. 1.515 km ESE of Tyonek, AlaskaThu, Oct 7, 11:40 AM AKDT · 1813 days ago · 10 km deep · 66 km away
18. 2.323 km WNW of Susitna, AlaskaThu, Oct 7, 4:12 PM AKDT · 1812 days ago · 62 km deep · 70 km away
19. 1.511 km N of Point Possession, AlaskaThu, Oct 7, 4:24 PM AKDT · 1812 days ago · 57 km deep · 73 km away
20. 1.633 km SSW of Skwentna, AlaskaThu, Oct 7, 11:21 PM AKDT · 1812 days ago · 90 km deep · 59 km away
21. 1.727 km SW of Skwentna, AlaskaFri, Oct 8, 2:35 AM AKDT · 1812 days ago · 99 km deep · 67 km away
22. 1.670 km WNW of Nikiski, AlaskaFri, Oct 8, 6:53 AM AKDT · 1812 days ago · 108 km deep · 48 km away
23. 2.27 km SE of Point Possession, AlaskaFri, Oct 8, 12:23 PM AKDT · 1812 days ago · 36 km deep · 86 km away
24. 1.873 km W of Tyonek, AlaskaFri, Oct 8, 4:14 PM AKDT · 1811 days ago · 124 km deep · 28 km away
25. 1.564 km W of Tyonek, AlaskaSat, Oct 9, 6:41 AM AKDT · 1811 days ago · 1 km deep · 20 km away
26. 1.8Southern AlaskaSat, Oct 9, 7:06 AM AKDT · 1811 days ago · 3 km deep · 20 km away
27. 2.042 km W of Nikiski, AlaskaSat, Oct 9, 8:45 AM AKDT · 1811 days ago · 82 km deep · 53 km away
28. 1.563 km NW of Beluga, AlaskaSat, Oct 9, 9:04 PM AKDT · 1810 days ago · 103 km deep · 27 km away
29. 1.511 km SW of Tyonek, AlaskaSun, Oct 10, 2:33 AM AKDT · 1810 days ago · 66 km deep · 48 km away
30. 1.529 km NNW of Susitna, AlaskaSun, Oct 10, 11:08 PM AKDT · 1809 days ago · 53 km deep · 98 km away
31. 2.065 km W of Tyonek, AlaskaMon, Oct 11, 8:03 AM AKDT · 1809 days ago · 120 km deep · 21 km away
32. 1.615 km WNW of Salamatof, AlaskaMon, Oct 11, 9:30 AM AKDT · 1809 days ago · 70 km deep · 67 km away
33. 1.665 km WNW of Beluga, AlaskaMon, Oct 11, 4:37 PM AKDT · 1808 days ago · 6 km deep · 16 km away
34. 1.646 km SW of Skwentna, AlaskaMon, Oct 11, 9:23 PM AKDT · 1808 days ago · 112 km deep · 53 km away
35. 1.629 km NW of Nikiski, AlaskaMon, Oct 11, 10:54 PM AKDT · 1808 days ago · 77 km deep · 44 km away
36. 1.623 km W of Tyonek, AlaskaTue, Oct 12, 3:30 AM AKDT · 1808 days ago · 75 km deep · 29 km away
37. 1.67 km WNW of Cohoe, AlaskaTue, Oct 12, 9:41 AM AKDT · 1808 days ago · 64 km deep · 98 km away
38. 1.714 km E of Point Possession, AlaskaTue, Oct 12, 11:03 AM AKDT · 1808 days ago · 42 km deep · 92 km away
39. 1.541 km WNW of Tyonek, AlaskaTue, Oct 12, 1:14 PM AKDT · 1808 days ago · 92 km deep · 11 km away
40. 1.57 km WNW of Point Possession, AlaskaTue, Oct 12, 4:52 PM AKDT · 1807 days ago · 15 km deep · 72 km away
41. 1.867 km W of Tyonek, AlaskaTue, Oct 12, 8:51 PM AKDT · 1807 days ago · 111 km deep · 29 km away
42. 1.615 km SSW of Susitna, AlaskaTue, Oct 12, 10:34 PM AKDT · 1807 days ago · 46 km deep · 77 km away
43. 1.672 km NW of Ninilchik, AlaskaWed, Oct 13, 2:23 AM AKDT · 1807 days ago · 95 km deep · 94 km away
44. 1.530 km WNW of Susitna, AlaskaWed, Oct 13, 3:13 PM AKDT · 1806 days ago · 66 km deep · 74 km away
45. 1.740 km W of Kalifornsky, AlaskaWed, Oct 13, 5:59 PM AKDT · 1806 days ago · 85 km deep · 85 km away
46. 1.827 km SSW of Skwentna, AlaskaWed, Oct 13, 7:03 PM AKDT · 1806 days ago · 95 km deep · 64 km away
47. 1.530 km NNW of Susitna, AlaskaWed, Oct 13, 9:44 PM AKDT · 1806 days ago · 54 km deep · 98 km away
48. 1.540 km NW of Nikiski, AlaskaWed, Oct 13, 11:38 PM AKDT · 1806 days ago · 78 km deep · 37 km away
49. 1.665 km WNW of Nikiski, AlaskaThu, Oct 14, 12:34 AM AKDT · 1806 days ago · 116 km deep · 44 km away
50. 1.56 km SSW of Point Possession, AlaskaThu, Oct 14, 5:45 AM AKDT · 1806 days ago · 40 km deep · 81 km away
51. 1.546 km NW of Ninilchik, AlaskaThu, Oct 14, 7:11 AM AKDT · 1806 days ago · 79 km deep · 99 km away
52. 1.627 km WNW of Kalifornsky, AlaskaThu, Oct 14, 7:56 AM AKDT · 1806 days ago · 72 km deep · 84 km away
53. 1.556 km NW of Ninilchik, AlaskaThu, Oct 14, 10:18 AM AKDT · 1806 days ago · 87 km deep · 89 km away
54. 1.522 km NNE of Beluga, AlaskaThu, Oct 14, 10:35 AM AKDT · 1806 days ago · 59 km deep · 61 km away
55. 1.626 km WSW of Susitna, AlaskaThu, Oct 14, 5:09 PM AKDT · 1805 days ago · 69 km deep · 62 km away
56. 1.721 km NNW of Susitna, AlaskaThu, Oct 14, 6:08 PM AKDT · 1805 days ago · 61 km deep · 87 km away
57. 2.223 km E of Beluga, AlaskaThu, Oct 14, 10:30 PM AKDT · 1805 days ago · 43 km deep · 74 km away
58. 1.725 km SW of Anchorage, AlaskaFri, Oct 15, 2:24 AM AKDT · 1805 days ago · 44 km deep · 95 km away
59. 1.83 km ESE of Ridgeway, AlaskaFri, Oct 15, 9:08 PM AKDT · 1804 days ago · 48 km deep · 95 km away · felt by 1
60. 1.545 km WNW of Tyonek, AlaskaFri, Oct 15, 10:00 PM AKDT · 1804 days ago · 101 km deep · 7 km away

The first 60 of at least 200.

Before

1. 1.924 km ESE of Skwentna, AlaskaFri, Oct 1, 2:40 PM AKDT · 1819 days ago · 64 km deep · 92 km away
2. 1.619 km ENE of Nikiski, AlaskaFri, Oct 1, 12:41 PM AKDT · 1819 days ago · 25 km deep · 76 km away
3. 1.825 km WSW of Point MacKenzie, AlaskaFri, Oct 1, 12:22 PM AKDT · 1819 days ago · 45 km deep · 85 km away
4. 1.736 km S of Skwentna, AlaskaFri, Oct 1, 11:42 AM AKDT · 1819 days ago · 80 km deep · 60 km away
5. 1.623 km NNW of Beluga, AlaskaFri, Oct 1, 11:00 AM AKDT · 1819 days ago · 75 km deep · 47 km away
6. 1.559 km SSW of Skwentna, AlaskaThu, Sep 30, 11:10 AM AKDT · 1820 days ago · 8 km deep · 36 km away
7. 1.847 km S of Skwentna, AlaskaThu, Sep 30, 10:58 AM AKDT · 1820 days ago · 70 km deep · 48 km away
8. 2.067 km W of Nikiski, AlaskaThu, Sep 30, 5:28 AM AKDT · 1820 days ago · 140 km deep · 56 km away
9. 1.544 km W of Kalifornsky, AlaskaWed, Sep 29, 2:17 PM AKDT · 1821 days ago · 86 km deep · 84 km away
10. 1.665 km W of Tyonek, AlaskaWed, Sep 29, 1:31 PM AKDT · 1821 days ago · 111 km deep · 28 km away
11. 2.156 km NW of Ninilchik, AlaskaWed, Sep 29, 9:51 AM AKDT · 1821 days ago · 87 km deep · 99 km away
12. 1.539 km SW of Skwentna, AlaskaTue, Sep 28, 8:09 PM AKDT · 1821 days ago · 115 km deep · 61 km away
13. 1.542 km SW of Skwentna, AlaskaTue, Sep 28, 4:48 PM AKDT · 1821 days ago · 102 km deep · 55 km away
14. 1.638 km S of Skwentna, AlaskaTue, Sep 28, 12:07 PM AKDT · 1822 days ago · 80 km deep · 61 km away
15. 1.9107 km NE of Port Alsworth, AlaskaTue, Sep 28, 4:09 AM AKDT · 1822 days ago · 52 km deep · 68 km away
16. 1.927 km NW of Susitna, AlaskaTue, Sep 28, 1:32 AM AKDT · 1822 days ago · 47 km deep · 86 km away
17. 1.824 km WNW of Susitna, AlaskaMon, Sep 27, 10:37 PM AKDT · 1822 days ago · 62 km deep · 77 km away
18. 2.928 km SSW of Skwentna, AlaskaMon, Sep 27, 2:53 PM AKDT · 1822 days ago · 92 km deep · 63 km away
19. 1.522 km N of Beluga, AlaskaMon, Sep 27, 1:27 PM AKDT · 1823 days ago · 59 km deep · 54 km away
20. 1.529 km N of Beluga, AlaskaSun, Sep 26, 11:46 PM AKDT · 1823 days ago · 15 km deep · 50 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021cmtlluy. Read Thu, Sep 24, 2026, 10:14 AM UTC.