M1.5 earthquake 34 km NW of Nikiski, Alaska

Magnitude

1.5 (ml), micro

Local time

Fri, Sep 10, 2021, 2:43 PM AKDT

UTC

2021-09-10 22:43:20 UTC

Depth

77.7 km (48.3 mi), intermediate-depth

Epicenter

60.905° N, 151.758° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

31

• Nikiski, AlaskaPopulation 4,493. Forecast35 kmNW
• Anchorage, AlaskaPopulation 289,600. Forecast106 kmWSW

After

1. 3.95 km SSW of Kasilof, AlaskaFri, Sep 10, 9:58 PM AKDT · 1844 days ago · 60 km deep · 72 km away · felt by 39 · tsunami flag
2. 1.94 km SW of Kasilof, AlaskaFri, Sep 10, 10:03 PM AKDT · 1844 days ago · 58 km deep · 70 km away · felt by 1
3. 1.741 km NW of Ninilchik, AlaskaSat, Sep 11, 11:46 AM AKDT · 1843 days ago · 84 km deep · 73 km away
4. 1.538 km WSW of Salamatof, AlaskaSat, Sep 11, 5:04 PM AKDT · 1843 days ago · 86 km deep · 46 km away
5. 2.24 km NE of Ninilchik, AlaskaSat, Sep 11, 7:14 PM AKDT · 1843 days ago · 54 km deep · 92 km away
6. 2.066 km W of Tyonek, AlaskaSat, Sep 11, 8:54 PM AKDT · 1843 days ago · 112 km deep · 38 km away
7. 1.674 km NE of Port Alsworth, AlaskaSun, Sep 12, 1:25 AM AKDT · 1842 days ago · 170 km deep · 91 km away
8. 2.259 km W of Ninilchik, AlaskaSun, Sep 12, 1:40 AM AKDT · 1842 days ago · 108 km deep · 98 km away
9. 1.874 km WNW of Ninilchik, AlaskaSun, Sep 12, 5:35 AM AKDT · 1842 days ago · 118 km deep · 97 km away
10. 1.957 km NW of Ninilchik, AlaskaSun, Sep 12, 6:19 AM AKDT · 1842 days ago · 104 km deep · 75 km away
11. 1.760 km W of Tyonek, AlaskaSun, Sep 12, 8:08 PM AKDT · 1842 days ago · 92 km deep · 34 km away
12. 1.719 km SW of Tyonek, AlaskaMon, Sep 13, 2:16 AM AKDT · 1841 days ago · 117 km deep · 22 km away
13. 1.955 km NW of Ninilchik, AlaskaMon, Sep 13, 3:28 AM AKDT · 1841 days ago · 91 km deep · 66 km away
14. 2.045 km SW of Skwentna, AlaskaMon, Sep 13, 4:08 AM AKDT · 1841 days ago · 110 km deep · 90 km away
15. 2.272 km NW of Ninilchik, AlaskaMon, Sep 13, 5:48 PM AKDT · 1841 days ago · 110 km deep · 73 km away
16. 1.910 km S of Tyonek, AlaskaMon, Sep 13, 7:27 PM AKDT · 1841 days ago · 52 km deep · 33 km away
17. 2.379 km W of Salamatof, AlaskaTue, Sep 14, 1:54 PM AKDT · 1840 days ago · 119 km deep · 69 km away
18. 1.569 km WNW of Ninilchik, AlaskaTue, Sep 14, 6:09 PM AKDT · 1840 days ago · 119 km deep · 91 km away
19. 1.663 km W of Tyonek, AlaskaWed, Sep 15, 2:24 AM AKDT · 1839 days ago · 107 km deep · 33 km away
20. 1.716 km WSW of Tyonek, AlaskaWed, Sep 15, 7:34 AM AKDT · 1839 days ago · 61 km deep · 22 km away
21. 1.681 km W of Salamatof, AlaskaWed, Sep 15, 11:51 AM AKDT · 1839 days ago · 115 km deep · 70 km away
22. 1.669 km WNW of Ninilchik, AlaskaThu, Sep 16, 1:02 AM AKDT · 1838 days ago · 113 km deep · 82 km away
23. 2.046 km W of Tyonek, AlaskaThu, Sep 16, 4:46 AM AKDT · 1838 days ago · 103 km deep · 29 km away
24. 1.520 km E of Kasilof, AlaskaThu, Sep 16, 5:43 AM AKDT · 1838 days ago · 44 km deep · 80 km away
25. 1.819 km ENE of Sterling, AlaskaThu, Sep 16, 4:37 PM AKDT · 1838 days ago · 19 km deep · 81 km away · felt by 1
26. 1.855 km WNW of Nikiski, AlaskaThu, Sep 16, 9:10 PM AKDT · 1838 days ago · 90 km deep · 29 km away
27. 1.525 km WSW of Cooper Landing, AlaskaThu, Sep 16, 9:32 PM AKDT · 1838 days ago · 42 km deep · 96 km away
28. 3.237 km NW of Beluga, AlaskaThu, Sep 16, 10:05 PM AKDT · 1838 days ago · 86 km deep · 59 km away · felt by 1
29. 1.967 km W of Tyonek, AlaskaThu, Sep 16, 10:40 PM AKDT · 1838 days ago · 118 km deep · 35 km away
30. 1.627 km S of Funny River, AlaskaFri, Sep 17, 12:20 AM AKDT · 1837 days ago · 48 km deep · 90 km away
31. 1.513 km SSE of Funny River, AlaskaFri, Sep 17, 7:21 AM AKDT · 1837 days ago · 45 km deep · 82 km away
32. 1.512 km NNE of Ninilchik, AlaskaFri, Sep 17, 8:28 AM AKDT · 1837 days ago · 56 km deep · 85 km away
33. 1.672 km WNW of Tyonek, AlaskaFri, Sep 17, 1:26 PM AKDT · 1837 days ago · 119 km deep · 55 km away
34. 1.930 km WSW of Point MacKenzie, AlaskaFri, Sep 17, 9:48 PM AKDT · 1837 days ago · 36 km deep · 78 km away
35. 1.66 km NW of Susitna, AlaskaFri, Sep 17, 9:58 PM AKDT · 1837 days ago · 31 km deep · 98 km away
36. 1.622 km NW of Susitna, AlaskaSat, Sep 18, 2:37 AM AKDT · 1836 days ago · 48 km deep · 100 km away
37. 1.619 km NNW of Sterling, AlaskaSat, Sep 18, 5:38 PM AKDT · 1836 days ago · 52 km deep · 54 km away
38. 1.77 km NW of Kalifornsky, AlaskaSat, Sep 18, 10:15 PM AKDT · 1836 days ago · 55 km deep · 52 km away
39. 1.954 km NW of Ninilchik, AlaskaSat, Sep 18, 11:33 PM AKDT · 1835 days ago · 86 km deep · 68 km away
40. 1.527 km NW of Beluga, AlaskaSun, Sep 19, 12:15 AM AKDT · 1835 days ago · 65 km deep · 50 km away
41. 1.761 km SSW of Skwentna, AlaskaMon, Sep 20, 4:28 AM AKDT · 1834 days ago · 9 km deep · 69 km away
42. 1.642 km W of Salamatof, AlaskaMon, Sep 20, 11:11 AM AKDT · 1834 days ago · 79 km deep · 36 km away
43. 2.359 km WNW of Ninilchik, AlaskaMon, Sep 20, 11:52 AM AKDT · 1834 days ago · 112 km deep · 96 km away
44. 1.80 km ENE of Beluga, AlaskaMon, Sep 20, 5:46 PM AKDT · 1834 days ago · 59 km deep · 45 km away
45. 1.516 km SW of Susitna, AlaskaTue, Sep 21, 8:23 AM AKDT · 1833 days ago · 48 km deep · 81 km away
46. 2.247 km NW of Ninilchik, AlaskaTue, Sep 21, 12:37 PM AKDT · 1833 days ago · 80 km deep · 63 km away
47. 2.314 km WNW of Nikiski, AlaskaTue, Sep 21, 5:54 PM AKDT · 1833 days ago · 71 km deep · 21 km away
48. 1.638 km SSW of Skwentna, AlaskaWed, Sep 22, 7:59 AM AKDT · 1832 days ago · 82 km deep · 86 km away
49. 1.526 km NW of Beluga, AlaskaWed, Sep 22, 8:22 AM AKDT · 1832 days ago · 71 km deep · 48 km away
50. 2.142 km WNW of Tyonek, AlaskaWed, Sep 22, 9:03 AM AKDT · 1832 days ago · 98 km deep · 29 km away
51. 1.551 km WNW of Ninilchik, AlaskaWed, Sep 22, 3:00 PM AKDT · 1832 days ago · 104 km deep · 81 km away
52. 1.656 km NW of Beluga, AlaskaThu, Sep 23, 1:00 AM AKDT · 1831 days ago · 89 km deep · 64 km away
53. 1.89 km SW of Point MacKenzie, AlaskaThu, Sep 23, 8:02 PM AKDT · 1831 days ago · 48 km deep · 99 km away
54. 2.225 km WNW of Nikiski, AlaskaFri, Sep 24, 6:17 AM AKDT · 1830 days ago · 76 km deep · 16 km away
55. 1.812 km SW of Point MacKenzie, AlaskaFri, Sep 24, 7:10 AM AKDT · 1830 days ago · 3 km deep · 97 km away
56. 1.931 km WNW of Susitna, AlaskaFri, Sep 24, 12:42 PM AKDT · 1830 days ago · 71 km deep · 85 km away
57. 2.044 km NW of Ninilchik, AlaskaFri, Sep 24, 2:15 PM AKDT · 1830 days ago · 84 km deep · 63 km away
58. 1.68 km ENE of Ninilchik, AlaskaFri, Sep 24, 3:33 PM AKDT · 1830 days ago · 56 km deep · 94 km away
59. 1.831 km WNW of Clam Gulch, AlaskaFri, Sep 24, 7:03 PM AKDT · 1830 days ago · 87 km deep · 64 km away
60. 2.130 km SSW of Skwentna, AlaskaSat, Sep 25, 2:56 AM AKDT · 1829 days ago · 71 km deep · 92 km away

The first 60 of at least 200.

Before

1. 1.517 km ESE of Clam Gulch, AlaskaFri, Sep 10, 11:43 AM AKDT · 1844 days ago · 62 km deep · 87 km away
2. 1.836 km NW of Ninilchik, AlaskaFri, Sep 10, 9:50 AM AKDT · 1844 days ago · 95 km deep · 75 km away
3. 2.52 km ESE of Tyonek, AlaskaFri, Sep 10, 9:28 AM AKDT · 1844 days ago · 57 km deep · 40 km away
4. 2.010 km SSE of Kasilof, AlaskaFri, Sep 10, 6:59 AM AKDT · 1844 days ago · 57 km deep · 78 km away
5. 1.754 km WNW of Ninilchik, AlaskaFri, Sep 10, 4:49 AM AKDT · 1844 days ago · 102 km deep · 92 km away
6. 1.559 km WNW of Nikiski, AlaskaFri, Sep 10, 2:05 AM AKDT · 1844 days ago · 11 km deep · 31 km away
7. 3.324 km WNW of Clam Gulch, AlaskaThu, Sep 9, 9:31 PM AKDT · 1845 days ago · 66 km deep · 62 km away
8. 2.045 km NW of Ninilchik, AlaskaThu, Sep 9, 3:24 PM AKDT · 1845 days ago · 82 km deep · 70 km away
9. 1.95 km E of Ninilchik, AlaskaThu, Sep 9, 7:41 AM AKDT · 1845 days ago · 51 km deep · 95 km away
10. 1.755 km WNW of Ninilchik, AlaskaThu, Sep 9, 7:24 AM AKDT · 1845 days ago · 101 km deep · 91 km away
11. 1.727 km NW of Beluga, AlaskaThu, Sep 9, 6:23 AM AKDT · 1845 days ago · 64 km deep · 50 km away
12. 2.328 km WSW of Point MacKenzie, AlaskaWed, Sep 8, 6:53 PM AKDT · 1846 days ago · 41 km deep · 80 km away
13. 2.288 km ENE of Port Alsworth, AlaskaWed, Sep 8, 11:15 AM AKDT · 1846 days ago · 137 km deep · 73 km away
14. 2.43 km SW of Susitna, AlaskaWed, Sep 8, 10:44 AM AKDT · 1846 days ago · 65 km deep · 94 km away
15. 1.723 km NW of Nikiski, AlaskaWed, Sep 8, 10:21 AM AKDT · 1846 days ago · 78 km deep · 13 km away
16. 2.053 km NW of Ninilchik, AlaskaTue, Sep 7, 10:08 PM AKDT · 1847 days ago · 85 km deep · 74 km away
17. 1.926 km WSW of Anchorage, AlaskaTue, Sep 7, 9:17 PM AKDT · 1847 days ago · 43 km deep · 79 km away
18. 2.085 km NW of Ninilchik, AlaskaTue, Sep 7, 2:32 PM AKDT · 1847 days ago · 146 km deep · 73 km away
19. 1.921 km W of Susitna, AlaskaTue, Sep 7, 6:14 AM AKDT · 1847 days ago · 62 km deep · 87 km away
20. 1.628 km NW of Susitna, AlaskaMon, Sep 6, 1:35 AM AKDT · 1848 days ago · 65 km deep · 97 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021bmsblmh. Read Mon, Sep 28, 2026, 6:22 PM UTC.