M1.8 earthquake 68 km WNW of Happy Valley, Alaska

Magnitude

1.8 (ml), micro

Local time

Mon, Sep 20, 2021, 3:13 PM AKDT

UTC

2021-09-20 23:13:42 UTC

Depth

110.2 km (68.5 mi), intermediate-depth

Epicenter

60.074° N, 152.930° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

33

• Happy Valley, AlaskaPopulation 593. Forecast68 kmWNW
• Anchorage, AlaskaPopulation 289,600. Forecast208 kmSW

After

1. 1.655 km W of Happy Valley, AlaskaMon, Sep 20, 3:21 PM AKDT · 1834 days ago · 92 km deep · 13 km away
2. 1.640 km WNW of Anchor Point, AlaskaMon, Sep 20, 11:19 PM AKDT · 1834 days ago · 75 km deep · 29 km away
3. 2.530 km WSW of Nanwalek, AlaskaTue, Sep 21, 9:43 AM AKDT · 1833 days ago · 62 km deep · 94 km away
4. 2.247 km NW of Ninilchik, AlaskaTue, Sep 21, 12:37 PM AKDT · 1833 days ago · 80 km deep · 53 km away
5. 1.635 km WSW of Anchor Point, AlaskaTue, Sep 21, 2:35 PM AKDT · 1833 days ago · 78 km deep · 49 km away
6. 2.136 km ENE of Pedro Bay, AlaskaTue, Sep 21, 3:59 PM AKDT · 1833 days ago · 140 km deep · 36 km away
7. 1.863 km WNW of Anchor Point, AlaskaWed, Sep 22, 1:55 AM AKDT · 1833 days ago · 107 km deep · 10 km away
8. 2.910 km NW of Anchor Point, AlaskaWed, Sep 22, 6:04 AM AKDT · 1832 days ago · 76 km deep · 59 km away · felt by 4
9. 1.567 km ENE of Pedro Bay, AlaskaWed, Sep 22, 8:34 AM AKDT · 1832 days ago · 105 km deep · 5 km away
10. 1.757 km W of Anchor Point, AlaskaWed, Sep 22, 11:12 AM AKDT · 1832 days ago · 105 km deep · 28 km away
11. 2.146 km ENE of Pedro Bay, AlaskaWed, Sep 22, 12:46 PM AKDT · 1832 days ago · 136 km deep · 27 km away
12. 1.752 km ENE of Pedro Bay, AlaskaWed, Sep 22, 12:49 PM AKDT · 1832 days ago · 128 km deep · 22 km away
13. 1.551 km WNW of Ninilchik, AlaskaWed, Sep 22, 3:00 PM AKDT · 1832 days ago · 104 km deep · 33 km away
14. 1.567 km SE of Pedro Bay, AlaskaWed, Sep 22, 3:01 PM AKDT · 1832 days ago · 83 km deep · 70 km away
15. 1.659 km W of Happy Valley, AlaskaWed, Sep 22, 3:32 PM AKDT · 1832 days ago · 107 km deep · 9 km away
16. 1.838 km ENE of Pedro Bay, AlaskaWed, Sep 22, 8:47 PM AKDT · 1832 days ago · 132 km deep · 35 km away
17. 2.039 km W of Nanwalek, AlaskaThu, Sep 23, 3:22 AM AKDT · 1832 days ago · 80 km deep · 81 km away
18. 1.658 km WNW of Happy Valley, AlaskaThu, Sep 23, 8:05 AM AKDT · 1831 days ago · 97 km deep · 10 km away
19. 2.326 km NW of Anchor Point, AlaskaThu, Sep 23, 11:00 AM AKDT · 1831 days ago · 85 km deep · 43 km away · felt by 1
20. 1.647 km W of Anchor Point, AlaskaThu, Sep 23, 4:59 PM AKDT · 1831 days ago · 90 km deep · 35 km away
21. 1.617 km WNW of Anchor Point, AlaskaThu, Sep 23, 5:49 PM AKDT · 1831 days ago · 71 km deep · 52 km away
22. 2.137 km W of Nanwalek, AlaskaThu, Sep 23, 6:28 PM AKDT · 1831 days ago · 71 km deep · 80 km away
23. 1.968 km W of Happy Valley, AlaskaThu, Sep 23, 7:54 PM AKDT · 1831 days ago · 97 km deep · 4 km away
24. 2.738 km WNW of Anchor Point, AlaskaFri, Sep 24, 6:37 AM AKDT · 1830 days ago · 78 km deep · 31 km away
25. 2.237 km ESE of Pedro Bay, AlaskaFri, Sep 24, 9:55 AM AKDT · 1830 days ago · 116 km deep · 57 km away
26. 2.754 km WSW of Anchor Point, AlaskaFri, Sep 24, 12:39 PM AKDT · 1830 days ago · 78 km deep · 52 km away
27. 2.044 km NW of Ninilchik, AlaskaFri, Sep 24, 2:15 PM AKDT · 1830 days ago · 84 km deep · 54 km away
28. 1.68 km ENE of Ninilchik, AlaskaFri, Sep 24, 3:33 PM AKDT · 1830 days ago · 56 km deep · 78 km away
29. 1.831 km WNW of Clam Gulch, AlaskaFri, Sep 24, 7:03 PM AKDT · 1830 days ago · 87 km deep · 63 km away
30. 2.254 km ENE of Pedro Bay, AlaskaFri, Sep 24, 10:30 PM AKDT · 1830 days ago · 132 km deep · 19 km away
31. 2.116 km WNW of Fox River, AlaskaSat, Sep 25, 4:12 AM AKDT · 1830 days ago · 36 km deep · 97 km away
32. 1.753 km WNW of Happy Valley, AlaskaSat, Sep 25, 8:37 AM AKDT · 1829 days ago · 97 km deep · 16 km away
33. 1.543 km E of Port Alsworth, AlaskaSat, Sep 25, 9:27 PM AKDT · 1829 days ago · 156 km deep · 35 km away
34. 1.560 km WNW of Anchor Point, AlaskaSun, Sep 26, 12:37 AM AKDT · 1829 days ago · 105 km deep · 13 km away
35. 1.540 km W of Nanwalek, AlaskaSun, Sep 26, 3:58 AM AKDT · 1829 days ago · 87 km deep · 75 km away
36. 1.668 km W of Nanwalek, AlaskaSun, Sep 26, 8:51 AM AKDT · 1828 days ago · 83 km deep · 80 km away
37. 2.89 km SSW of Anchor Point, AlaskaSun, Sep 26, 1:32 PM AKDT · 1828 days ago · 54 km deep · 70 km away · felt by 1
38. 1.515 km WSW of Nanwalek, AlaskaSun, Sep 26, 2:03 PM AKDT · 1828 days ago · 65 km deep · 97 km away
39. 1.566 km WNW of Ninilchik, AlaskaSun, Sep 26, 2:11 PM AKDT · 1828 days ago · 119 km deep · 18 km away
40. 1.758 km ENE of Pedro Bay, AlaskaSun, Sep 26, 11:10 PM AKDT · 1828 days ago · 118 km deep · 15 km away
41. 1.633 km ESE of Pedro Bay, AlaskaMon, Sep 27, 4:32 AM AKDT · 1827 days ago · 125 km deep · 51 km away
42. 2.215 km W of Ninilchik, AlaskaMon, Sep 27, 6:17 AM AKDT · 1827 days ago · 58 km deep · 55 km away
43. 2.025 km NW of Seldovia, AlaskaMon, Sep 27, 7:30 AM AKDT · 1827 days ago · 45 km deep · 74 km away
44. 1.653 km E of Pedro Bay, AlaskaMon, Sep 27, 9:51 AM AKDT · 1827 days ago · 101 km deep · 39 km away
45. 1.844 km E of Pedro Bay, AlaskaMon, Sep 27, 10:51 AM AKDT · 1827 days ago · 122 km deep · 38 km away
46. 1.552 km WNW of Nanwalek, AlaskaMon, Sep 27, 6:43 PM AKDT · 1827 days ago · 72 km deep · 62 km away
47. 1.666 km WNW of Nanwalek, AlaskaTue, Sep 28, 10:43 AM AKDT · 1826 days ago · 103 km deep · 52 km away
48. 1.554 km W of Nanwalek, AlaskaTue, Sep 28, 2:24 PM AKDT · 1826 days ago · 73 km deep · 86 km away
49. 1.6Southern AlaskaTue, Sep 28, 7:24 PM AKDT · 1826 days ago · 141 km deep · 7 km away
50. 1.825 km WSW of Nanwalek, AlaskaTue, Sep 28, 7:46 PM AKDT · 1826 days ago · 62 km deep · 97 km away
51. 1.961 km WNW of Anchor Point, AlaskaTue, Sep 28, 9:12 PM AKDT · 1826 days ago · 94 km deep · 16 km away
52. 1.635 km W of Nanwalek, AlaskaWed, Sep 29, 2:40 AM AKDT · 1826 days ago · 63 km deep · 85 km away
53. 2.0Southern AlaskaWed, Sep 29, 8:00 AM AKDT · 1825 days ago · 67 km deep · 56 km away
54. 2.156 km NW of Ninilchik, AlaskaWed, Sep 29, 9:51 AM AKDT · 1825 days ago · 87 km deep · 41 km away
55. 1.652 km E of Pedro Bay, AlaskaWed, Sep 29, 10:03 AM AKDT · 1825 days ago · 111 km deep · 43 km away
56. 1.660 km WSW of Nanwalek, AlaskaWed, Sep 29, 2:08 PM AKDT · 1825 days ago · 68 km deep · 99 km away
57. 1.544 km W of Kalifornsky, AlaskaWed, Sep 29, 2:17 PM AKDT · 1825 days ago · 86 km deep · 64 km away
58. 2.063 km WNW of Happy Valley, AlaskaWed, Sep 29, 3:06 PM AKDT · 1825 days ago · 111 km deep · 5 km away
59. 2.162 km W of Happy Valley, AlaskaWed, Sep 29, 9:08 PM AKDT · 1825 days ago · 92 km deep · 6 km away
60. 1.860 km W of Anchor Point, AlaskaThu, Sep 30, 12:32 AM AKDT · 1825 days ago · 111 km deep · 22 km away

The first 60 of at least 202.

Before

1. 1.969 km WNW of Anchor Point, AlaskaMon, Sep 20, 2:10 PM AKDT · 1834 days ago · 101 km deep · 6 km away
2. 2.359 km WNW of Ninilchik, AlaskaMon, Sep 20, 11:52 AM AKDT · 1834 days ago · 112 km deep · 17 km away
3. 2.038 km E of Pedro Bay, AlaskaMon, Sep 20, 11:30 AM AKDT · 1834 days ago · 128 km deep · 38 km away
4. 1.642 km W of Salamatof, AlaskaMon, Sep 20, 11:11 AM AKDT · 1834 days ago · 79 km deep · 77 km away
5. 1.544 km WNW of Anchor Point, AlaskaMon, Sep 20, 5:07 AM AKDT · 1834 days ago · 89 km deep · 27 km away
6. 1.668 km E of Port Alsworth, AlaskaMon, Sep 20, 3:57 AM AKDT · 1835 days ago · 132 km deep · 19 km away
7. 1.744 km E of Pedro Bay, AlaskaMon, Sep 20, 3:36 AM AKDT · 1835 days ago · 130 km deep · 39 km away
8. 1.759 km W of Nanwalek, AlaskaMon, Sep 20, 2:52 AM AKDT · 1835 days ago · 90 km deep · 85 km away
9. 1.653 km E of Pedro Bay, AlaskaSun, Sep 19, 11:25 PM AKDT · 1835 days ago · 106 km deep · 37 km away
10. 2.245 km WNW of Nanwalek, AlaskaSun, Sep 19, 6:16 PM AKDT · 1835 days ago · 72 km deep · 67 km away
11. 1.662 km WNW of Nanwalek, AlaskaSun, Sep 19, 3:57 PM AKDT · 1835 days ago · 85 km deep · 61 km away
12. 1.747 km E of Pedro Bay, AlaskaSun, Sep 19, 5:57 AM AKDT · 1835 days ago · 115 km deep · 33 km away
13. 1.954 km NW of Ninilchik, AlaskaSat, Sep 18, 11:33 PM AKDT · 1836 days ago · 86 km deep · 45 km away
14. 1.548 km WNW of Happy Valley, AlaskaSat, Sep 18, 11:06 PM AKDT · 1836 days ago · 93 km deep · 19 km away
15. 1.77 km NW of Kalifornsky, AlaskaSat, Sep 18, 10:15 PM AKDT · 1836 days ago · 55 km deep · 97 km away
16. 2.967 km WNW of Happy Valley, AlaskaSat, Sep 18, 1:16 AM AKDT · 1837 days ago · 126 km deep · 1 km away · felt by 1
17. 2.060 km SE of Pedro Bay, AlaskaFri, Sep 17, 9:08 PM AKDT · 1837 days ago · 110 km deep · 71 km away
18. 1.512 km NNE of Ninilchik, AlaskaFri, Sep 17, 8:28 AM AKDT · 1837 days ago · 56 km deep · 77 km away
19. 2.644 km ESE of Pedro Bay, AlaskaFri, Sep 17, 4:40 AM AKDT · 1837 days ago · 111 km deep · 51 km away
20. 1.963 km W of Happy Valley, AlaskaFri, Sep 17, 2:58 AM AKDT · 1838 days ago · 118 km deep · 7 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021c3c44d1. Read Mon, Sep 28, 2026, 11:57 PM UTC.