M1.6 earthquake 72 km WNW of Tyonek, Alaska

Magnitude

1.6 (ml), micro

Local time

Fri, Sep 17, 2021, 1:26 PM AKDT

UTC

2021-09-17 21:26:23 UTC

Depth

119.0 km (73.9 mi), intermediate-depth

Epicenter

61.288° N, 152.396° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

44

• Nikiski, AlaskaPopulation 4,493. Forecast89 kmNW
• Anchorage, AlaskaPopulation 289,600. Forecast134 kmW

After

1. 1.622 km NW of Susitna, AlaskaSat, Sep 18, 2:37 AM AKDT · 1835 days ago · 48 km deep · 94 km away
2. 1.527 km NW of Beluga, AlaskaSun, Sep 19, 12:15 AM AKDT · 1834 days ago · 65 km deep · 52 km away
3. 1.761 km SSW of Skwentna, AlaskaMon, Sep 20, 4:28 AM AKDT · 1833 days ago · 9 km deep · 33 km away
4. 1.642 km W of Salamatof, AlaskaMon, Sep 20, 11:11 AM AKDT · 1832 days ago · 79 km deep · 76 km away
5. 1.80 km ENE of Beluga, AlaskaMon, Sep 20, 5:46 PM AKDT · 1832 days ago · 59 km deep · 72 km away
6. 1.741 km WNW of Skwentna, AlaskaMon, Sep 20, 7:20 PM AKDT · 1832 days ago · 106 km deep · 95 km away
7. 1.516 km SW of Susitna, AlaskaTue, Sep 21, 8:23 AM AKDT · 1831 days ago · 48 km deep · 90 km away
8. 2.314 km WNW of Nikiski, AlaskaTue, Sep 21, 5:54 PM AKDT · 1831 days ago · 71 km deep · 75 km away
9. 1.57 km NW of Skwentna, AlaskaTue, Sep 21, 6:08 PM AKDT · 1831 days ago · 82 km deep · 95 km away
10. 1.930 km NW of Susitna, AlaskaTue, Sep 21, 6:10 PM AKDT · 1831 days ago · 62 km deep · 95 km away
11. 1.638 km SSW of Skwentna, AlaskaWed, Sep 22, 7:59 AM AKDT · 1830 days ago · 82 km deep · 57 km away
12. 1.526 km NW of Beluga, AlaskaWed, Sep 22, 8:22 AM AKDT · 1830 days ago · 71 km deep · 52 km away
13. 2.142 km WNW of Tyonek, AlaskaWed, Sep 22, 9:03 AM AKDT · 1830 days ago · 98 km deep · 30 km away
14. 1.656 km NW of Beluga, AlaskaThu, Sep 23, 1:00 AM AKDT · 1830 days ago · 89 km deep · 34 km away
15. 2.225 km WNW of Nikiski, AlaskaFri, Sep 24, 6:17 AM AKDT · 1828 days ago · 76 km deep · 69 km away
16. 1.931 km WNW of Susitna, AlaskaFri, Sep 24, 12:42 PM AKDT · 1828 days ago · 71 km deep · 78 km away
17. 2.130 km SSW of Skwentna, AlaskaSat, Sep 25, 2:56 AM AKDT · 1828 days ago · 71 km deep · 65 km away
18. 1.642 km SW of Skwentna, AlaskaSat, Sep 25, 6:55 AM AKDT · 1827 days ago · 103 km deep · 53 km away
19. 1.514 km W of Point Possession, AlaskaSun, Sep 26, 7:22 PM AKDT · 1826 days ago · 20 km deep · 86 km away
20. 2.26 km E of Nikiski, AlaskaSun, Sep 26, 10:02 PM AKDT · 1826 days ago · 59 km deep · 94 km away
21. 1.529 km N of Beluga, AlaskaSun, Sep 26, 11:46 PM AKDT · 1826 days ago · 15 km deep · 67 km away
22. 1.641 km WNW of Skwentna, AlaskaMon, Sep 27, 8:26 AM AKDT · 1825 days ago · 105 km deep · 98 km away
23. 1.522 km N of Beluga, AlaskaMon, Sep 27, 1:27 PM AKDT · 1825 days ago · 59 km deep · 73 km away
24. 2.928 km SSW of Skwentna, AlaskaMon, Sep 27, 2:53 PM AKDT · 1825 days ago · 92 km deep · 66 km away
25. 1.840 km WNW of Skwentna, AlaskaMon, Sep 27, 10:27 PM AKDT · 1825 days ago · 104 km deep · 97 km away · felt by 1
26. 1.824 km WNW of Susitna, AlaskaMon, Sep 27, 10:37 PM AKDT · 1825 days ago · 62 km deep · 89 km away
27. 1.927 km NW of Susitna, AlaskaTue, Sep 28, 1:32 AM AKDT · 1825 days ago · 47 km deep · 98 km away
28. 1.9107 km NE of Port Alsworth, AlaskaTue, Sep 28, 4:09 AM AKDT · 1825 days ago · 52 km deep · 54 km away
29. 1.638 km S of Skwentna, AlaskaTue, Sep 28, 12:07 PM AKDT · 1824 days ago · 80 km deep · 70 km away
30. 1.542 km SW of Skwentna, AlaskaTue, Sep 28, 4:48 PM AKDT · 1824 days ago · 102 km deep · 53 km away
31. 1.539 km SW of Skwentna, AlaskaTue, Sep 28, 8:09 PM AKDT · 1824 days ago · 115 km deep · 58 km away
32. 1.665 km W of Tyonek, AlaskaWed, Sep 29, 1:31 PM AKDT · 1823 days ago · 111 km deep · 29 km away
33. 1.544 km W of Kalifornsky, AlaskaWed, Sep 29, 2:17 PM AKDT · 1823 days ago · 86 km deep · 92 km away
34. 2.067 km W of Nikiski, AlaskaThu, Sep 30, 5:28 AM AKDT · 1822 days ago · 140 km deep · 57 km away
35. 1.847 km S of Skwentna, AlaskaThu, Sep 30, 10:58 AM AKDT · 1822 days ago · 70 km deep · 58 km away
36. 1.559 km SSW of Skwentna, AlaskaThu, Sep 30, 11:10 AM AKDT · 1822 days ago · 8 km deep · 35 km away
37. 1.623 km NNW of Beluga, AlaskaFri, Oct 1, 11:00 AM AKDT · 1821 days ago · 75 km deep · 65 km away
38. 1.736 km S of Skwentna, AlaskaFri, Oct 1, 11:42 AM AKDT · 1821 days ago · 80 km deep · 69 km away
39. 1.619 km ENE of Nikiski, AlaskaFri, Oct 1, 12:41 PM AKDT · 1821 days ago · 25 km deep · 96 km away
40. 1.924 km ESE of Skwentna, AlaskaFri, Oct 1, 2:40 PM AKDT · 1821 days ago · 64 km deep · 100 km away
41. 1.650 km WNW of Tyonek, AlaskaFri, Oct 1, 5:36 PM AKDT · 1821 days ago · 93 km deep · 21 km away
42. 2.665 km WNW of Beluga, AlaskaFri, Oct 1, 6:42 PM AKDT · 1821 days ago · 136 km deep · 13 km away
43. 1.545 km WSW of Tyonek, AlaskaFri, Oct 1, 9:46 PM AKDT · 1821 days ago · 78 km deep · 43 km away
44. 1.611 km NW of Beluga, AlaskaSat, Oct 2, 12:16 AM AKDT · 1821 days ago · 68 km deep · 63 km away
45. 1.710 km WNW of Tyonek, AlaskaSat, Oct 2, 1:44 PM AKDT · 1820 days ago · 85 km deep · 62 km away
46. 1.854 km SW of Skwentna, AlaskaSat, Oct 2, 1:49 PM AKDT · 1820 days ago · 116 km deep · 42 km away
47. 1.512 km NNW of Beluga, AlaskaSat, Oct 2, 3:29 PM AKDT · 1820 days ago · 64 km deep · 65 km away
48. 1.756 km W of Nikiski, AlaskaSun, Oct 3, 2:07 AM AKDT · 1820 days ago · 91 km deep · 56 km away
49. 2.144 km WNW of Clam Gulch, AlaskaSun, Oct 3, 6:09 AM AKDT · 1819 days ago · 77 km deep · 100 km away
50. 1.516 km W of Salamatof, AlaskaMon, Oct 4, 1:00 PM AKDT · 1818 days ago · 72 km deep · 89 km away
51. 2.135 km S of Skwentna, AlaskaTue, Oct 5, 3:20 AM AKDT · 1818 days ago · 79 km deep · 64 km away
52. 1.873 km W of Nikiski, AlaskaTue, Oct 5, 10:57 PM AKDT · 1817 days ago · 121 km deep · 53 km away
53. 1.6Kenai Peninsula, AlaskaWed, Oct 6, 8:21 PM AKDT · 1816 days ago · 77 km deep · 54 km away
54. 2.075 km ENE of Port Alsworth, AlaskaThu, Oct 7, 1:23 AM AKDT · 1816 days ago · 136 km deep · 98 km away
55. 1.726 km W of Salamatof, AlaskaThu, Oct 7, 2:13 AM AKDT · 1816 days ago · 76 km deep · 79 km away
56. 2.0Southern AlaskaThu, Oct 7, 10:29 AM AKDT · 1815 days ago · 120 km deep · 22 km away
57. 1.515 km ESE of Tyonek, AlaskaThu, Oct 7, 11:40 AM AKDT · 1815 days ago · 10 km deep · 87 km away
58. 2.323 km WNW of Susitna, AlaskaThu, Oct 7, 4:12 PM AKDT · 1815 days ago · 62 km deep · 84 km away
59. 1.511 km N of Point Possession, AlaskaThu, Oct 7, 4:24 PM AKDT · 1815 days ago · 57 km deep · 94 km away
60. 1.633 km SSW of Skwentna, AlaskaThu, Oct 7, 11:21 PM AKDT · 1815 days ago · 90 km deep · 61 km away

The first 60 of at least 199.

Before

1. 1.967 km W of Tyonek, AlaskaThu, Sep 16, 10:40 PM AKDT · 1836 days ago · 118 km deep · 33 km away
2. 3.237 km NW of Beluga, AlaskaThu, Sep 16, 10:05 PM AKDT · 1836 days ago · 86 km deep · 50 km away · felt by 1
3. 1.855 km WNW of Nikiski, AlaskaThu, Sep 16, 9:10 PM AKDT · 1836 days ago · 90 km deep · 52 km away
4. 2.046 km W of Tyonek, AlaskaThu, Sep 16, 4:46 AM AKDT · 1836 days ago · 103 km deep · 28 km away
5. 1.681 km W of Salamatof, AlaskaWed, Sep 15, 11:51 AM AKDT · 1837 days ago · 115 km deep · 87 km away
6. 1.716 km WSW of Tyonek, AlaskaWed, Sep 15, 7:34 AM AKDT · 1837 days ago · 61 km deep · 61 km away
7. 1.663 km W of Tyonek, AlaskaWed, Sep 15, 2:24 AM AKDT · 1838 days ago · 107 km deep · 29 km away
8. 2.119 km SE of Skwentna, AlaskaTue, Sep 14, 8:12 PM AKDT · 1838 days ago · 66 km deep · 95 km away
9. 2.379 km W of Salamatof, AlaskaTue, Sep 14, 1:54 PM AKDT · 1838 days ago · 119 km deep · 88 km away
10. 1.910 km S of Tyonek, AlaskaMon, Sep 13, 7:27 PM AKDT · 1839 days ago · 52 km deep · 74 km away
11. 2.272 km NW of Ninilchik, AlaskaMon, Sep 13, 5:48 PM AKDT · 1839 days ago · 110 km deep · 95 km away
12. 2.045 km SW of Skwentna, AlaskaMon, Sep 13, 4:08 AM AKDT · 1840 days ago · 110 km deep · 50 km away
13. 1.955 km NW of Ninilchik, AlaskaMon, Sep 13, 3:28 AM AKDT · 1840 days ago · 91 km deep · 99 km away
14. 1.719 km SW of Tyonek, AlaskaMon, Sep 13, 2:16 AM AKDT · 1840 days ago · 117 km deep · 69 km away
15. 1.645 km WNW of Skwentna, AlaskaSun, Sep 12, 11:27 PM AKDT · 1840 days ago · 110 km deep · 95 km away
16. 1.760 km W of Tyonek, AlaskaSun, Sep 12, 8:08 PM AKDT · 1840 days ago · 92 km deep · 24 km away
17. 1.525 km ESE of Skwentna, AlaskaSun, Sep 12, 2:18 AM AKDT · 1841 days ago · 72 km deep · 99 km away
18. 1.674 km NE of Port Alsworth, AlaskaSun, Sep 12, 1:25 AM AKDT · 1841 days ago · 170 km deep · 86 km away
19. 1.841 km WNW of Skwentna, AlaskaSun, Sep 12, 12:56 AM AKDT · 1841 days ago · 104 km deep · 98 km away
20. 2.066 km W of Tyonek, AlaskaSat, Sep 11, 8:54 PM AKDT · 1841 days ago · 112 km deep · 25 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021bycdyj4. Read Sun, Sep 27, 2026, 12:09 AM UTC.