M1.9 earthquake 16 km SW of Tyonek, Alaska

Magnitude

1.9 (ml), micro

Local time

Tue, Aug 31, 2021, 3:56 PM AKDT

UTC

2021-08-31 23:56:47 UTC

Depth

66.6 km (41.4 mi), shallow

Epicenter

60.971° N, 151.379° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

67

• Nikiski, AlaskaPopulation 4,493. Forecast32 kmN
• Anchorage, AlaskaPopulation 289,600. Forecast84 kmWSW

After

1. 1.726 km SSW of Skwentna, AlaskaTue, Aug 31, 5:24 PM AKDT · 1849 days ago · 94 km deep · 90 km away
2. 1.612 km E of Kasilof, AlaskaTue, Aug 31, 6:09 PM AKDT · 1849 days ago · 51 km deep · 73 km away
3. 1.812 km SE of Beluga, AlaskaWed, Sep 1, 5:48 AM AKDT · 1849 days ago · 62 km deep · 28 km away
4. 1.81 km ESE of Big Lake, AlaskaWed, Sep 1, 7:30 AM AKDT · 1849 days ago · 40 km deep · 99 km away
5. 1.568 km W of Tyonek, AlaskaWed, Sep 1, 10:32 AM AKDT · 1849 days ago · 115 km deep · 55 km away
6. 2.237 km W of Nikiski, AlaskaWed, Sep 1, 11:12 AM AKDT · 1849 days ago · 89 km deep · 42 km away
7. 1.9Southern AlaskaWed, Sep 1, 10:32 PM AKDT · 1848 days ago · 41 km deep · 85 km away
8. 1.78 km NE of Nikiski, AlaskaWed, Sep 1, 10:38 PM AKDT · 1848 days ago · 83 km deep · 28 km away
9. 1.622 km NNW of Ninilchik, AlaskaWed, Sep 1, 11:22 PM AKDT · 1848 days ago · 67 km deep · 85 km away
10. 1.666 km W of Tyonek, AlaskaWed, Sep 1, 11:41 PM AKDT · 1848 days ago · 105 km deep · 53 km away
11. 1.50 km SSE of Sterling, AlaskaThu, Sep 2, 2:36 AM AKDT · 1848 days ago · 20 km deep · 59 km away
12. 1.516 km ENE of Sterling, AlaskaThu, Sep 2, 5:14 AM AKDT · 1848 days ago · 45 km deep · 62 km away
13. 1.771 km W of Tyonek, AlaskaThu, Sep 2, 7:50 AM AKDT · 1848 days ago · 108 km deep · 59 km away
14. 1.821 km W of Cooper Landing, AlaskaThu, Sep 2, 8:28 AM AKDT · 1848 days ago · 39 km deep · 85 km away
15. 1.74 km NNW of Point MacKenzie, AlaskaThu, Sep 2, 4:33 PM AKDT · 1847 days ago · 45 km deep · 87 km away
16. 2.234 km WNW of Beluga, AlaskaFri, Sep 3, 5:38 AM AKDT · 1847 days ago · 81 km deep · 36 km away
17. 1.938 km W of Nikiski, AlaskaFri, Sep 3, 6:14 AM AKDT · 1847 days ago · 85 km deep · 41 km away
18. 1.636 km W of Susitna, AlaskaFri, Sep 3, 8:18 AM AKDT · 1847 days ago · 70 km deep · 70 km away
19. 2.515 km N of Beluga, AlaskaFri, Sep 3, 9:37 AM AKDT · 1847 days ago · 70 km deep · 37 km away · felt by 1
20. 1.647 km W of Tyonek, AlaskaSat, Sep 4, 12:57 AM AKDT · 1846 days ago · 88 km deep · 35 km away
21. 1.726 km SSW of Susitna, AlaskaSat, Sep 4, 5:31 AM AKDT · 1846 days ago · 60 km deep · 55 km away
22. 1.510 km NW of Point Possession, AlaskaSat, Sep 4, 8:34 AM AKDT · 1846 days ago · 54 km deep · 31 km away
23. 1.53 km NNW of Beluga, AlaskaSat, Sep 4, 9:05 AM AKDT · 1846 days ago · 61 km deep · 27 km away
24. 2.332 km W of Salamatof, AlaskaSat, Sep 4, 3:05 PM AKDT · 1845 days ago · 75 km deep · 53 km away
25. 1.516 km NNW of Sterling, AlaskaSun, Sep 5, 9:13 AM AKDT · 1845 days ago · 52 km deep · 43 km away
26. 2.313 km WSW of Point MacKenzie, AlaskaSun, Sep 5, 9:33 PM AKDT · 1844 days ago · 48 km deep · 73 km away
27. 2.521 km W of Tyonek, AlaskaSun, Sep 5, 10:46 PM AKDT · 1844 days ago · 75 km deep · 16 km away
28. 1.628 km NW of Susitna, AlaskaMon, Sep 6, 1:35 AM AKDT · 1844 days ago · 65 km deep · 83 km away
29. 1.921 km W of Susitna, AlaskaTue, Sep 7, 6:14 AM AKDT · 1843 days ago · 62 km deep · 71 km away
30. 2.085 km NW of Ninilchik, AlaskaTue, Sep 7, 2:32 PM AKDT · 1843 days ago · 146 km deep · 95 km away
31. 3.014 km ESE of Susitna, AlaskaTue, Sep 7, 4:57 PM AKDT · 1842 days ago · 62 km deep · 84 km away · felt by 4
32. 1.926 km WSW of Anchorage, AlaskaTue, Sep 7, 9:17 PM AKDT · 1842 days ago · 43 km deep · 58 km away
33. 2.053 km NW of Ninilchik, AlaskaTue, Sep 7, 10:08 PM AKDT · 1842 days ago · 85 km deep · 92 km away
34. 1.723 km NW of Nikiski, AlaskaWed, Sep 8, 10:21 AM AKDT · 1842 days ago · 78 km deep · 14 km away
35. 2.43 km SW of Susitna, AlaskaWed, Sep 8, 10:44 AM AKDT · 1842 days ago · 65 km deep · 75 km away
36. 2.288 km ENE of Port Alsworth, AlaskaWed, Sep 8, 11:15 AM AKDT · 1842 days ago · 137 km deep · 94 km away
37. 2.328 km WSW of Point MacKenzie, AlaskaWed, Sep 8, 6:53 PM AKDT · 1841 days ago · 41 km deep · 58 km away
38. 1.727 km NW of Beluga, AlaskaThu, Sep 9, 6:23 AM AKDT · 1841 days ago · 64 km deep · 39 km away
39. 2.045 km NW of Ninilchik, AlaskaThu, Sep 9, 3:24 PM AKDT · 1840 days ago · 82 km deep · 86 km away
40. 3.324 km WNW of Clam Gulch, AlaskaThu, Sep 9, 9:31 PM AKDT · 1840 days ago · 66 km deep · 73 km away
41. 1.559 km WNW of Nikiski, AlaskaFri, Sep 10, 2:05 AM AKDT · 1840 days ago · 11 km deep · 52 km away
42. 1.55 km E of Point MacKenzie, AlaskaFri, Sep 10, 5:08 AM AKDT · 1840 days ago · 37 km deep · 92 km away
43. 1.99 km SSW of Hope, AlaskaFri, Sep 10, 6:52 AM AKDT · 1840 days ago · 42 km deep · 90 km away · felt by 1
44. 2.010 km SSE of Kasilof, AlaskaFri, Sep 10, 6:59 AM AKDT · 1840 days ago · 57 km deep · 80 km away
45. 2.52 km ESE of Tyonek, AlaskaFri, Sep 10, 9:28 AM AKDT · 1840 days ago · 57 km deep · 18 km away
46. 1.836 km NW of Ninilchik, AlaskaFri, Sep 10, 9:50 AM AKDT · 1840 days ago · 95 km deep · 90 km away
47. 1.517 km ESE of Clam Gulch, AlaskaFri, Sep 10, 11:43 AM AKDT · 1840 days ago · 62 km deep · 88 km away
48. 2.615 km WSW of Cooper Landing, AlaskaFri, Sep 10, 2:13 PM AKDT · 1840 days ago · 40 km deep · 94 km away · felt by 2
49. 1.534 km NW of Nikiski, AlaskaFri, Sep 10, 2:43 PM AKDT · 1840 days ago · 78 km deep · 22 km away
50. 3.95 km SSW of Kasilof, AlaskaFri, Sep 10, 9:58 PM AKDT · 1839 days ago · 60 km deep · 75 km away · felt by 39 · tsunami flag
51. 1.94 km SW of Kasilof, AlaskaFri, Sep 10, 10:03 PM AKDT · 1839 days ago · 58 km deep · 73 km away · felt by 1
52. 3.43 km SE of Big Lake, AlaskaSat, Sep 11, 8:20 AM AKDT · 1839 days ago · 37 km deep · 98 km away · felt by 25
53. 1.741 km NW of Ninilchik, AlaskaSat, Sep 11, 11:46 AM AKDT · 1839 days ago · 84 km deep · 89 km away
54. 1.538 km WSW of Salamatof, AlaskaSat, Sep 11, 5:04 PM AKDT · 1838 days ago · 86 km deep · 62 km away
55. 2.066 km W of Tyonek, AlaskaSat, Sep 11, 8:54 PM AKDT · 1838 days ago · 112 km deep · 54 km away
56. 1.957 km NW of Ninilchik, AlaskaSun, Sep 12, 6:19 AM AKDT · 1838 days ago · 104 km deep · 93 km away
57. 1.760 km W of Tyonek, AlaskaSun, Sep 12, 8:08 PM AKDT · 1837 days ago · 92 km deep · 49 km away
58. 1.719 km SW of Tyonek, AlaskaMon, Sep 13, 2:16 AM AKDT · 1837 days ago · 117 km deep · 5 km away
59. 1.955 km NW of Ninilchik, AlaskaMon, Sep 13, 3:28 AM AKDT · 1837 days ago · 91 km deep · 84 km away
60. 2.045 km SW of Skwentna, AlaskaMon, Sep 13, 4:08 AM AKDT · 1837 days ago · 110 km deep · 88 km away

The first 60 of at least 201.

Before

1. 1.77 km S of Big Lake, AlaskaTue, Aug 31, 11:28 AM AKDT · 1850 days ago · 29 km deep · 94 km away
2. 1.79 km NW of Point Possession, AlaskaMon, Aug 30, 10:22 PM AKDT · 1850 days ago · 13 km deep · 30 km away
3. 1.715 km W of Anchorage, AlaskaMon, Aug 30, 11:24 AM AKDT · 1851 days ago · 44 km deep · 71 km away
4. 1.541 km SW of Skwentna, AlaskaMon, Aug 30, 9:11 AM AKDT · 1851 days ago · 100 km deep · 84 km away
5. 2.29 km SW of Susitna, AlaskaMon, Aug 30, 12:28 AM AKDT · 1851 days ago · 45 km deep · 69 km away
6. 1.511 km ESE of Tyonek, AlaskaSun, Aug 29, 11:24 PM AKDT · 1851 days ago · 55 km deep · 24 km away
7. 1.828 km WSW of Susitna, AlaskaSun, Aug 29, 4:13 PM AKDT · 1851 days ago · 65 km deep · 54 km away
8. 2.078 km WNW of Tyonek, AlaskaSun, Aug 29, 1:28 PM AKDT · 1852 days ago · 7 km deep · 71 km away
9. 1.667 km W of Tyonek, AlaskaSun, Aug 29, 8:17 AM AKDT · 1852 days ago · 120 km deep · 54 km away
10. 1.836 km WNW of Ninilchik, AlaskaSat, Aug 28, 7:46 PM AKDT · 1852 days ago · 73 km deep · 97 km away
11. 2.012 km NNE of Ridgeway, AlaskaSat, Aug 28, 7:26 PM AKDT · 1852 days ago · 52 km deep · 43 km away
12. 1.825 km WSW of Susitna, AlaskaSat, Aug 28, 7:26 PM AKDT · 1852 days ago · 68 km deep · 58 km away
13. 1.566 km W of Tyonek, AlaskaSat, Aug 28, 7:13 PM AKDT · 1852 days ago · 114 km deep · 55 km away
14. 1.55 km WSW of Big Lake, AlaskaSat, Aug 28, 4:20 PM AKDT · 1852 days ago · 37 km deep · 92 km away
15. 1.515 km SW of Susitna, AlaskaSat, Aug 28, 2:35 PM AKDT · 1853 days ago · 64 km deep · 64 km away
16. 1.620 km SW of Point Possession, AlaskaSat, Aug 28, 2:06 PM AKDT · 1853 days ago · 61 km deep · 29 km away
17. 2.114 km S of Clam Gulch, AlaskaSat, Aug 28, 1:44 PM AKDT · 1853 days ago · 63 km deep · 97 km away
18. 2.226 km SE of Funny River, AlaskaSat, Aug 28, 1:15 PM AKDT · 1853 days ago · 45 km deep · 88 km away
19. 1.715 km NW of Kalifornsky, AlaskaSat, Aug 28, 7:17 AM AKDT · 1853 days ago · 66 km deep · 53 km away
20. 2.088 km ENE of Port Alsworth, AlaskaSat, Aug 28, 6:51 AM AKDT · 1853 days ago · 130 km deep · 94 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021b69meml. Read Thu, Sep 24, 2026, 10:20 AM UTC.