M1.6 earthquake 66 km W of Happy Valley, Alaska

Magnitude

1.6 (ml), micro

Local time

Mon, Aug 30, 2021, 2:23 AM AKDT

UTC

2021-08-30 10:23:10 UTC

Depth

112.4 km (69.8 mi), intermediate-depth

Epicenter

60.066° N, 152.907° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

76

• Happy Valley, AlaskaPopulation 593. Forecast67 kmWNW
• Anchorage, AlaskaPopulation 289,600. Forecast208 kmSW

After

1. 2.134 km E of Pedro Bay, AlaskaMon, Aug 30, 4:56 AM AKDT · 1851 days ago · 122 km deep · 47 km away
2. 1.853 km NE of Pedro Bay, AlaskaMon, Aug 30, 4:01 PM AKDT · 1851 days ago · 127 km deep · 23 km away
3. 2.431 km E of Pedro Bay, AlaskaMon, Aug 30, 7:17 PM AKDT · 1851 days ago · 144 km deep · 45 km away
4. 1.663 km SE of Pedro Bay, AlaskaTue, Aug 31, 5:53 AM AKDT · 1850 days ago · 116 km deep · 89 km away · felt by 1
5. 1.548 km WNW of Nanwalek, AlaskaTue, Aug 31, 8:24 PM AKDT · 1849 days ago · 85 km deep · 66 km away
6. 2.160 km SE of Pedro Bay, AlaskaTue, Aug 31, 8:54 PM AKDT · 1849 days ago · 98 km deep · 83 km away
7. 1.568 km E of Port Alsworth, AlaskaWed, Sep 1, 3:03 AM AKDT · 1849 days ago · 129 km deep · 20 km away
8. 1.846 km E of Pedro Bay, AlaskaWed, Sep 1, 9:29 AM AKDT · 1849 days ago · 118 km deep · 38 km away
9. 2.237 km W of Nikiski, AlaskaWed, Sep 1, 11:12 AM AKDT · 1849 days ago · 89 km deep · 89 km away
10. 2.159 km WNW of Nanwalek, AlaskaWed, Sep 1, 6:20 PM AKDT · 1849 days ago · 84 km deep · 61 km away
11. 1.622 km NNW of Ninilchik, AlaskaWed, Sep 1, 11:22 PM AKDT · 1848 days ago · 67 km deep · 62 km away
12. 2.153 km E of Pedro Bay, AlaskaThu, Sep 2, 1:51 AM AKDT · 1848 days ago · 97 km deep · 38 km away
13. 1.950 km ENE of Pedro Bay, AlaskaThu, Sep 2, 1:54 AM AKDT · 1848 days ago · 116 km deep · 27 km away
14. 2.438 km ENE of Pedro Bay, AlaskaThu, Sep 2, 8:44 AM AKDT · 1848 days ago · 136 km deep · 37 km away
15. 2.351 km WNW of Nanwalek, AlaskaThu, Sep 2, 10:14 AM AKDT · 1848 days ago · 79 km deep · 53 km away
16. 1.751 km ESE of Pedro Bay, AlaskaThu, Sep 2, 10:53 AM AKDT · 1848 days ago · 106 km deep · 56 km away
17. 1.555 km ENE of Port Alsworth, AlaskaThu, Sep 2, 12:50 PM AKDT · 1848 days ago · 4 km deep · 38 km away
18. 1.528 km WSW of Anchor Point, AlaskaThu, Sep 2, 1:24 PM AKDT · 1848 days ago · 73 km deep · 50 km away
19. 2.237 km WSW of Anchor Point, AlaskaThu, Sep 2, 1:51 PM AKDT · 1848 days ago · 69 km deep · 54 km away
20. 1.67 km WSW of Happy Valley, AlaskaThu, Sep 2, 2:09 PM AKDT · 1848 days ago · 71 km deep · 61 km away
21. 1.650 km WNW of Happy Valley, AlaskaFri, Sep 3, 4:42 AM AKDT · 1847 days ago · 105 km deep · 17 km away
22. 1.946 km ESE of Pedro Bay, AlaskaFri, Sep 3, 5:07 AM AKDT · 1847 days ago · 109 km deep · 45 km away
23. 1.938 km W of Nikiski, AlaskaFri, Sep 3, 6:14 AM AKDT · 1847 days ago · 85 km deep · 92 km away
24. 1.641 km ESE of Pedro Bay, AlaskaFri, Sep 3, 12:26 PM AKDT · 1847 days ago · 112 km deep · 53 km away
25. 2.147 km WNW of Anchor Point, AlaskaSat, Sep 4, 4:25 AM AKDT · 1846 days ago · 95 km deep · 21 km away
26. 2.332 km W of Salamatof, AlaskaSat, Sep 4, 3:05 PM AKDT · 1846 days ago · 75 km deep · 79 km away
27. 1.538 km W of Happy Valley, AlaskaSat, Sep 4, 7:39 PM AKDT · 1846 days ago · 79 km deep · 29 km away
28. 1.64 km SSE of Ninilchik, AlaskaSat, Sep 4, 8:01 PM AKDT · 1845 days ago · 80 km deep · 70 km away
29. 3.625 km W of Nanwalek, AlaskaSun, Sep 5, 4:28 AM AKDT · 1845 days ago · 68 km deep · 85 km away
30. 1.654 km W of Nanwalek, AlaskaSun, Sep 5, 8:50 AM AKDT · 1845 days ago · 96 km deep · 69 km away
31. 1.759 km WNW of Anchor Point, AlaskaSun, Sep 5, 1:37 PM AKDT · 1845 days ago · 91 km deep · 12 km away
32. 2.453 km E of Pedro Bay, AlaskaSun, Sep 5, 8:52 PM AKDT · 1844 days ago · 108 km deep · 40 km away
33. 1.649 km ENE of Pedro Bay, AlaskaSun, Sep 5, 9:05 PM AKDT · 1844 days ago · 127 km deep · 25 km away
34. 1.760 km ENE of Pedro Bay, AlaskaMon, Sep 6, 1:09 AM AKDT · 1844 days ago · 109 km deep · 13 km away
35. 1.635 km W of Anchor Point, AlaskaMon, Sep 6, 1:36 AM AKDT · 1844 days ago · 77 km deep · 40 km away
36. 1.669 km ENE of Pedro Bay, AlaskaMon, Sep 6, 1:47 AM AKDT · 1844 days ago · 111 km deep · 6 km away
37. 1.839 km NE of Pedro Bay, AlaskaMon, Sep 6, 2:09 AM AKDT · 1844 days ago · 161 km deep · 38 km away
38. 1.527 km NNW of Nanwalek, AlaskaMon, Sep 6, 6:01 AM AKDT · 1844 days ago · 63 km deep · 69 km away
39. 1.639 km E of Pedro Bay, AlaskaMon, Sep 6, 8:11 AM AKDT · 1844 days ago · 134 km deep · 37 km away
40. 1.555 km E of Pedro Bay, AlaskaMon, Sep 6, 8:54 AM AKDT · 1844 days ago · 99 km deep · 35 km away
41. 2.271 km WNW of Happy Valley, AlaskaMon, Sep 6, 10:13 AM AKDT · 1844 days ago · 116 km deep · 8 km away
42. 1.764 km ENE of Pedro Bay, AlaskaMon, Sep 6, 5:49 PM AKDT · 1844 days ago · 118 km deep · 9 km away
43. 1.671 km WNW of Happy Valley, AlaskaMon, Sep 6, 11:35 PM AKDT · 1843 days ago · 123 km deep · 7 km away
44. 1.750 km WNW of Happy Valley, AlaskaTue, Sep 7, 8:10 AM AKDT · 1843 days ago · 99 km deep · 16 km away
45. 2.085 km NW of Ninilchik, AlaskaTue, Sep 7, 2:32 PM AKDT · 1843 days ago · 146 km deep · 52 km away
46. 2.253 km E of Pedro Bay, AlaskaTue, Sep 7, 9:00 PM AKDT · 1842 days ago · 118 km deep · 27 km away
47. 2.053 km NW of Ninilchik, AlaskaTue, Sep 7, 10:08 PM AKDT · 1842 days ago · 85 km deep · 39 km away
48. 2.065 km WNW of Happy Valley, AlaskaTue, Sep 7, 10:46 PM AKDT · 1842 days ago · 112 km deep · 12 km away
49. 2.288 km ENE of Port Alsworth, AlaskaWed, Sep 8, 11:15 AM AKDT · 1842 days ago · 137 km deep · 63 km away
50. 2.039 km E of Pedro Bay, AlaskaWed, Sep 8, 8:28 PM AKDT · 1841 days ago · 143 km deep · 37 km away
51. 1.648 km WNW of Nanwalek, AlaskaWed, Sep 8, 9:17 PM AKDT · 1841 days ago · 80 km deep · 55 km away
52. 1.755 km WNW of Ninilchik, AlaskaThu, Sep 9, 7:24 AM AKDT · 1841 days ago · 101 km deep · 22 km away
53. 1.95 km E of Ninilchik, AlaskaThu, Sep 9, 7:41 AM AKDT · 1841 days ago · 51 km deep · 74 km away
54. 2.045 km NW of Ninilchik, AlaskaThu, Sep 9, 3:24 PM AKDT · 1841 days ago · 82 km deep · 46 km away
55. 1.840 km W of Nanwalek, AlaskaThu, Sep 9, 6:00 PM AKDT · 1841 days ago · 81 km deep · 78 km away
56. 1.950 km SE of Pedro Bay, AlaskaThu, Sep 9, 6:03 PM AKDT · 1841 days ago · 119 km deep · 73 km away
57. 2.362 km E of Pedro Bay, AlaskaThu, Sep 9, 7:34 PM AKDT · 1841 days ago · 96 km deep · 29 km away
58. 3.324 km WNW of Clam Gulch, AlaskaThu, Sep 9, 9:31 PM AKDT · 1840 days ago · 66 km deep · 70 km away
59. 1.559 km WNW of Nikiski, AlaskaFri, Sep 10, 2:05 AM AKDT · 1840 days ago · 11 km deep · 94 km away
60. 1.754 km WNW of Ninilchik, AlaskaFri, Sep 10, 4:49 AM AKDT · 1840 days ago · 102 km deep · 22 km away

The first 60 of at least 201.

Before

1. 1.638 km WSW of Anchor Point, AlaskaSun, Aug 29, 7:46 PM AKDT · 1852 days ago · 68 km deep · 57 km away
2. 2.354 km WNW of Happy Valley, AlaskaSun, Aug 29, 5:56 PM AKDT · 1852 days ago · 99 km deep · 16 km away
3. 1.763 km E of Pedro Bay, AlaskaSun, Aug 29, 4:05 PM AKDT · 1852 days ago · 86 km deep · 38 km away
4. 1.533 km ENE of Pedro Bay, AlaskaSun, Aug 29, 3:27 PM AKDT · 1852 days ago · 126 km deep · 40 km away
5. 1.645 km ENE of Pedro Bay, AlaskaSun, Aug 29, 1:12 PM AKDT · 1852 days ago · 113 km deep · 30 km away
6. 1.768 km WNW of Happy Valley, AlaskaSun, Aug 29, 8:12 AM AKDT · 1852 days ago · 117 km deep · 2 km away
7. 2.152 km W of Nanwalek, AlaskaSun, Aug 29, 4:33 AM AKDT · 1852 days ago · 76 km deep · 79 km away
8. 1.643 km E of Pedro Bay, AlaskaSun, Aug 29, 2:06 AM AKDT · 1852 days ago · 127 km deep · 39 km away
9. 1.836 km WNW of Ninilchik, AlaskaSat, Aug 28, 7:46 PM AKDT · 1853 days ago · 73 km deep · 40 km away
10. 2.3Southern AlaskaSat, Aug 28, 7:38 PM AKDT · 1853 days ago · 76 km deep · 34 km away
11. 1.649 km W of Ninilchik, AlaskaSat, Aug 28, 7:15 PM AKDT · 1853 days ago · 94 km deep · 22 km away
12. 2.114 km S of Clam Gulch, AlaskaSat, Aug 28, 1:44 PM AKDT · 1853 days ago · 63 km deep · 83 km away
13. 1.644 km WNW of Ninilchik, AlaskaSat, Aug 28, 1:01 PM AKDT · 1853 days ago · 84 km deep · 32 km away
14. 2.065 km W of Nanwalek, AlaskaSat, Aug 28, 9:41 AM AKDT · 1853 days ago · 80 km deep · 91 km away
15. 1.715 km NW of Kalifornsky, AlaskaSat, Aug 28, 7:17 AM AKDT · 1853 days ago · 66 km deep · 90 km away
16. 2.088 km ENE of Port Alsworth, AlaskaSat, Aug 28, 6:51 AM AKDT · 1853 days ago · 130 km deep · 59 km away
17. 1.651 km ENE of Pedro Bay, AlaskaSat, Aug 28, 4:10 AM AKDT · 1853 days ago · 104 km deep · 23 km away
18. 2.245 km NE of Pedro Bay, AlaskaSat, Aug 28, 4:06 AM AKDT · 1853 days ago · 143 km deep · 31 km away
19. 3.065 km WNW of Nanwalek, AlaskaSat, Aug 28, 12:12 AM AKDT · 1853 days ago · 97 km deep · 58 km away
20. 1.713 km W of Salamatof, AlaskaFri, Aug 27, 8:44 PM AKDT · 1853 days ago · 70 km deep · 96 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021b4e59t8. Read Thu, Sep 24, 2026, 3:21 PM UTC.