M1.7 earthquake 26 km SSW of Susitna, Alaska

Magnitude

1.7 (ml), micro

Local time

Sat, Sep 4, 2021, 5:31 AM AKDT

UTC

2021-09-04 13:31:42 UTC

Depth

60.3 km (37.5 mi), shallow

Epicenter

61.313° N, 150.633° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

62

• Point MacKenzie, AlaskaPopulation 529. Forecast35 kmW
• Anchorage, AlaskaPopulation 289,600. Forecast41 kmWNW

After

1. 1.510 km NW of Point Possession, AlaskaSat, Sep 4, 8:34 AM AKDT · 1846 days ago · 54 km deep · 36 km away
2. 1.53 km NNW of Beluga, AlaskaSat, Sep 4, 9:05 AM AKDT · 1846 days ago · 61 km deep · 29 km away
3. 3.15 km N of Big Lake, AlaskaSat, Sep 4, 10:21 PM AKDT · 1845 days ago · 40 km deep · 46 km away · felt by 12
4. 1.516 km NNW of Sterling, AlaskaSun, Sep 5, 9:13 AM AKDT · 1845 days ago · 52 km deep · 74 km away
5. 1.99 km N of Meadow Lakes, AlaskaSun, Sep 5, 4:13 PM AKDT · 1845 days ago · 38 km deep · 69 km away · felt by 1
6. 2.313 km WSW of Point MacKenzie, AlaskaSun, Sep 5, 9:33 PM AKDT · 1844 days ago · 48 km deep · 23 km away
7. 2.521 km W of Tyonek, AlaskaSun, Sep 5, 10:46 PM AKDT · 1844 days ago · 75 km deep · 54 km away
8. 1.628 km NW of Susitna, AlaskaMon, Sep 6, 1:35 AM AKDT · 1844 days ago · 65 km deep · 45 km away
9. 2.527 km SSE of Susitna North, AlaskaMon, Sep 6, 7:16 AM AKDT · 1844 days ago · 12 km deep · 86 km away
10. 1.69 km ENE of Willow, AlaskaMon, Sep 6, 9:55 AM AKDT · 1844 days ago · 35 km deep · 67 km away
11. 1.921 km W of Susitna, AlaskaTue, Sep 7, 6:14 AM AKDT · 1843 days ago · 62 km deep · 33 km away
12. 2.212 km N of Houston, AlaskaTue, Sep 7, 7:46 AM AKDT · 1843 days ago · 25 km deep · 66 km away
13. 3.014 km ESE of Susitna, AlaskaTue, Sep 7, 4:57 PM AKDT · 1843 days ago · 62 km deep · 29 km away · felt by 4
14. 2.316 km NNW of Willow, AlaskaTue, Sep 7, 6:21 PM AKDT · 1842 days ago · 40 km deep · 67 km away
15. 1.926 km WSW of Anchorage, AlaskaTue, Sep 7, 9:17 PM AKDT · 1842 days ago · 43 km deep · 25 km away
16. 1.723 km NW of Nikiski, AlaskaWed, Sep 8, 10:21 AM AKDT · 1842 days ago · 78 km deep · 69 km away
17. 2.43 km SW of Susitna, AlaskaWed, Sep 8, 10:44 AM AKDT · 1842 days ago · 65 km deep · 23 km away
18. 2.328 km WSW of Point MacKenzie, AlaskaWed, Sep 8, 6:53 PM AKDT · 1841 days ago · 41 km deep · 14 km away
19. 1.727 km NW of Beluga, AlaskaThu, Sep 9, 6:23 AM AKDT · 1841 days ago · 64 km deep · 43 km away
20. 1.55 km E of Point MacKenzie, AlaskaFri, Sep 10, 5:08 AM AKDT · 1840 days ago · 37 km deep · 41 km away
21. 1.516 km SE of Skwentna, AlaskaFri, Sep 10, 6:11 AM AKDT · 1840 days ago · 67 km deep · 69 km away
22. 1.99 km SSW of Hope, AlaskaFri, Sep 10, 6:52 AM AKDT · 1840 days ago · 42 km deep · 71 km away · felt by 1
23. 1.517 km NE of Skwentna, AlaskaFri, Sep 10, 8:54 AM AKDT · 1840 days ago · 74 km deep · 92 km away
24. 2.52 km ESE of Tyonek, AlaskaFri, Sep 10, 9:28 AM AKDT · 1840 days ago · 57 km deep · 37 km away
25. 1.83 km NE of Skwentna, AlaskaFri, Sep 10, 12:30 PM AKDT · 1840 days ago · 83 km deep · 87 km away
26. 1.534 km NW of Nikiski, AlaskaFri, Sep 10, 2:43 PM AKDT · 1840 days ago · 78 km deep · 76 km away
27. 2.418 km S of Susitna North, AlaskaSat, Sep 11, 1:54 AM AKDT · 1839 days ago · 33 km deep · 86 km away
28. 3.43 km SE of Big Lake, AlaskaSat, Sep 11, 8:20 AM AKDT · 1839 days ago · 37 km deep · 44 km away · felt by 25
29. 2.066 km W of Tyonek, AlaskaSat, Sep 11, 8:54 PM AKDT · 1838 days ago · 112 km deep · 97 km away
30. 1.525 km ESE of Skwentna, AlaskaSun, Sep 12, 2:18 AM AKDT · 1838 days ago · 72 km deep · 65 km away
31. 1.760 km W of Tyonek, AlaskaSun, Sep 12, 8:08 PM AKDT · 1837 days ago · 92 km deep · 91 km away
32. 1.58 km ESE of Willow, AlaskaSun, Sep 12, 10:00 PM AKDT · 1837 days ago · 39 km deep · 61 km away
33. 1.719 km SW of Tyonek, AlaskaMon, Sep 13, 2:16 AM AKDT · 1837 days ago · 117 km deep · 58 km away
34. 2.045 km SW of Skwentna, AlaskaMon, Sep 13, 4:08 AM AKDT · 1837 days ago · 110 km deep · 86 km away
35. 1.631 km WSW of Trapper Creek, AlaskaMon, Sep 13, 5:56 PM AKDT · 1836 days ago · 60 km deep · 99 km away
36. 1.910 km S of Tyonek, AlaskaMon, Sep 13, 7:27 PM AKDT · 1836 days ago · 52 km deep · 47 km away
37. 1.525 km SE of Susitna North, AlaskaMon, Sep 13, 8:14 PM AKDT · 1836 days ago · 32 km deep · 99 km away
38. 2.119 km SE of Skwentna, AlaskaTue, Sep 14, 8:12 PM AKDT · 1835 days ago · 66 km deep · 69 km away
39. 1.663 km W of Tyonek, AlaskaWed, Sep 15, 2:24 AM AKDT · 1835 days ago · 107 km deep · 95 km away
40. 1.716 km WSW of Tyonek, AlaskaWed, Sep 15, 7:34 AM AKDT · 1835 days ago · 61 km deep · 54 km away
41. 1.6Southern AlaskaWed, Sep 15, 9:30 AM AKDT · 1835 days ago · 40 km deep · 68 km away
42. 2.046 km W of Tyonek, AlaskaThu, Sep 16, 4:46 AM AKDT · 1834 days ago · 103 km deep · 75 km away
43. 1.517 km SE of Susitna, AlaskaThu, Sep 16, 7:47 AM AKDT · 1834 days ago · 27 km deep · 25 km away
44. 2.911 km SSE of Susitna North, AlaskaThu, Sep 16, 1:51 PM AKDT · 1834 days ago · 42 km deep · 95 km away · felt by 2
45. 1.819 km ENE of Sterling, AlaskaThu, Sep 16, 4:37 PM AKDT · 1834 days ago · 19 km deep · 82 km away · felt by 1
46. 1.82 km WNW of Point MacKenzie, AlaskaThu, Sep 16, 6:36 PM AKDT · 1833 days ago · 41 km deep · 33 km away
47. 1.525 km WSW of Cooper Landing, AlaskaThu, Sep 16, 9:32 PM AKDT · 1833 days ago · 42 km deep · 99 km away
48. 3.237 km NW of Beluga, AlaskaThu, Sep 16, 10:05 PM AKDT · 1833 days ago · 86 km deep · 47 km away · felt by 1
49. 2.22 km ESE of Point MacKenzie, AlaskaFri, Sep 17, 3:43 AM AKDT · 1833 days ago · 40 km deep · 37 km away
50. 1.531 km NNW of Susitna, AlaskaFri, Sep 17, 5:33 AM AKDT · 1833 days ago · 57 km deep · 55 km away
51. 1.672 km WNW of Tyonek, AlaskaFri, Sep 17, 1:26 PM AKDT · 1833 days ago · 119 km deep · 94 km away
52. 1.930 km WSW of Point MacKenzie, AlaskaFri, Sep 17, 9:48 PM AKDT · 1832 days ago · 36 km deep · 14 km away
53. 1.66 km NW of Susitna, AlaskaFri, Sep 17, 9:58 PM AKDT · 1832 days ago · 31 km deep · 30 km away
54. 1.622 km NW of Susitna, AlaskaSat, Sep 18, 2:37 AM AKDT · 1832 days ago · 48 km deep · 42 km away
55. 1.911 km NNE of Meadow Lakes, AlaskaSat, Sep 18, 4:36 AM AKDT · 1832 days ago · 30 km deep · 73 km away
56. 1.98 km NNE of Susitna, AlaskaSat, Sep 18, 5:37 AM AKDT · 1832 days ago · 26 km deep · 35 km away
57. 1.619 km NNW of Sterling, AlaskaSat, Sep 18, 5:38 PM AKDT · 1831 days ago · 52 km deep · 69 km away
58. 1.527 km NW of Beluga, AlaskaSun, Sep 19, 12:15 AM AKDT · 1831 days ago · 65 km deep · 42 km away
59. 1.815 km WNW of Fishhook, AlaskaSun, Sep 19, 1:26 AM AKDT · 1831 days ago · 37 km deep · 83 km away
60. 1.761 km SSW of Skwentna, AlaskaMon, Sep 20, 4:28 AM AKDT · 1830 days ago · 9 km deep · 76 km away

The first 60 of at least 199.

Before

1. 1.647 km W of Tyonek, AlaskaSat, Sep 4, 12:57 AM AKDT · 1846 days ago · 88 km deep · 80 km away
2. 1.97 km SE of Houston, AlaskaFri, Sep 3, 6:05 PM AKDT · 1846 days ago · 29 km deep · 57 km away
3. 2.56 km N of Big Lake, AlaskaFri, Sep 3, 4:35 PM AKDT · 1847 days ago · 37 km deep · 46 km away
4. 2.515 km N of Beluga, AlaskaFri, Sep 3, 9:37 AM AKDT · 1847 days ago · 70 km deep · 26 km away · felt by 1
5. 1.636 km W of Susitna, AlaskaFri, Sep 3, 8:18 AM AKDT · 1847 days ago · 70 km deep · 44 km away
6. 1.938 km W of Nikiski, AlaskaFri, Sep 3, 6:14 AM AKDT · 1847 days ago · 85 km deep · 96 km away
7. 2.234 km WNW of Beluga, AlaskaFri, Sep 3, 5:38 AM AKDT · 1847 days ago · 81 km deep · 55 km away
8. 1.74 km NNW of Point MacKenzie, AlaskaThu, Sep 2, 4:33 PM AKDT · 1848 days ago · 45 km deep · 34 km away
9. 1.821 km W of Cooper Landing, AlaskaThu, Sep 2, 8:28 AM AKDT · 1848 days ago · 39 km deep · 97 km away
10. 1.516 km ENE of Sterling, AlaskaThu, Sep 2, 5:14 AM AKDT · 1848 days ago · 45 km deep · 78 km away
11. 1.50 km SSE of Sterling, AlaskaThu, Sep 2, 2:36 AM AKDT · 1848 days ago · 20 km deep · 87 km away
12. 1.666 km W of Tyonek, AlaskaWed, Sep 1, 11:41 PM AKDT · 1848 days ago · 105 km deep · 98 km away
13. 1.78 km NE of Nikiski, AlaskaWed, Sep 1, 10:38 PM AKDT · 1848 days ago · 83 km deep · 70 km away
14. 1.9Southern AlaskaWed, Sep 1, 10:32 PM AKDT · 1848 days ago · 41 km deep · 31 km away
15. 2.237 km W of Nikiski, AlaskaWed, Sep 1, 11:12 AM AKDT · 1849 days ago · 89 km deep · 97 km away
16. 1.568 km W of Tyonek, AlaskaWed, Sep 1, 10:32 AM AKDT · 1849 days ago · 115 km deep · 99 km away
17. 1.81 km ESE of Big Lake, AlaskaWed, Sep 1, 7:30 AM AKDT · 1849 days ago · 40 km deep · 44 km away
18. 1.812 km SE of Beluga, AlaskaWed, Sep 1, 5:48 AM AKDT · 1849 days ago · 62 km deep · 30 km away
19. 1.726 km SSW of Skwentna, AlaskaTue, Aug 31, 5:24 PM AKDT · 1849 days ago · 94 km deep · 73 km away
20. 1.916 km SW of Tyonek, AlaskaTue, Aug 31, 3:56 PM AKDT · 1850 days ago · 67 km deep · 55 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021bcpo3ad. Read Thu, Sep 24, 2026, 12:51 PM UTC.