M1.8 earthquake Southern Alaska

Magnitude

1.8 (ml), micro

Local time

Wed, Oct 20, 2021, 10:31 AM AKDT

UTC

2021-10-20 18:31:17 UTC

Depth

112.4 km (69.8 mi), intermediate-depth

Epicenter

60.080° N, 152.954° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

60

• Happy Valley, AlaskaPopulation 593. Forecast70 kmWNW
• Anchorage, AlaskaPopulation 289,600. Forecast209 kmSW

After

1. 1.769 km E of Port Alsworth, AlaskaWed, Oct 20, 4:10 PM AKDT · 1803 days ago · 118 km deep · 10 km away
2. 1.629 km WSW of Salamatof, AlaskaWed, Oct 20, 9:19 PM AKDT · 1803 days ago · 71 km deep · 80 km away
3. 1.640 km W of Anchor Point, AlaskaWed, Oct 20, 9:46 PM AKDT · 1803 days ago · 70 km deep · 45 km away
4. 1.718 km WNW of Clam Gulch, AlaskaWed, Oct 20, 11:08 PM AKDT · 1803 days ago · 63 km deep · 71 km away
5. 3.149 km ENE of Pedro Bay, AlaskaThu, Oct 21, 12:42 AM AKDT · 1803 days ago · 122 km deep · 23 km away
6. 1.541 km NW of Nanwalek, AlaskaThu, Oct 21, 4:16 AM AKDT · 1803 days ago · 67 km deep · 61 km away
7. 1.915 km WSW of Nanwalek, AlaskaThu, Oct 21, 10:12 AM AKDT · 1802 days ago · 79 km deep · 98 km away
8. 2.017 km E of Ninilchik, AlaskaThu, Oct 21, 12:28 PM AKDT · 1802 days ago · 52 km deep · 89 km away
9. 2.654 km W of Nanwalek, AlaskaThu, Oct 21, 3:38 PM AKDT · 1802 days ago · 80 km deep · 89 km away
10. 1.866 km WNW of Nanwalek, AlaskaThu, Oct 21, 9:18 PM AKDT · 1802 days ago · 99 km deep · 63 km away
11. 1.861 km WNW of Anchor Point, AlaskaThu, Oct 21, 10:45 PM AKDT · 1802 days ago · 97 km deep · 21 km away
12. 1.731 km WNW of Nanwalek, AlaskaFri, Oct 22, 12:25 AM AKDT · 1802 days ago · 88 km deep · 77 km away
13. 1.826 km WNW of Anchor Point, AlaskaFri, Oct 22, 1:08 AM AKDT · 1802 days ago · 85 km deep · 45 km away
14. 2.359 km W of Salamatof, AlaskaFri, Oct 22, 2:04 AM AKDT · 1802 days ago · 95 km deep · 58 km away
15. 1.869 km ENE of Pedro Bay, AlaskaFri, Oct 22, 3:31 AM AKDT · 1802 days ago · 122 km deep · 3 km away
16. 1.738 km WSW of Anchor Point, AlaskaFri, Oct 22, 4:50 AM AKDT · 1802 days ago · 75 km deep · 56 km away
17. 1.614 km W of Anchor Point, AlaskaFri, Oct 22, 2:02 PM AKDT · 1801 days ago · 76 km deep · 60 km away
18. 1.745 km WNW of Happy Valley, AlaskaFri, Oct 22, 3:46 PM AKDT · 1801 days ago · 95 km deep · 26 km away
19. 1.743 km NW of Ninilchik, AlaskaFri, Oct 22, 4:48 PM AKDT · 1801 days ago · 94 km deep · 46 km away
20. 1.745 km W of Kalifornsky, AlaskaFri, Oct 22, 5:42 PM AKDT · 1801 days ago · 88 km deep · 64 km away
21. 1.865 km ENE of Pedro Bay, AlaskaFri, Oct 22, 9:35 PM AKDT · 1801 days ago · 113 km deep · 15 km away
22. 2.260 km WNW of Nanwalek, AlaskaFri, Oct 22, 10:30 PM AKDT · 1801 days ago · 91 km deep · 59 km away
23. 1.837 km W of Anchor Point, AlaskaFri, Oct 22, 11:41 PM AKDT · 1801 days ago · 77 km deep · 39 km away
24. 1.725 km WNW of Happy Valley, AlaskaSat, Oct 23, 12:41 AM AKDT · 1801 days ago · 75 km deep · 45 km away
25. 2.149 km E of Pedro Bay, AlaskaSat, Oct 23, 1:51 AM AKDT · 1801 days ago · 111 km deep · 36 km away
26. 1.762 km WNW of Happy Valley, AlaskaSat, Oct 23, 4:39 AM AKDT · 1801 days ago · 103 km deep · 7 km away
27. 1.911 km NW of Seldovia Village, AlaskaSat, Oct 23, 6:55 AM AKDT · 1800 days ago · 45 km deep · 88 km away
28. 1.950 km NE of Pedro Bay, AlaskaSat, Oct 23, 12:02 PM AKDT · 1800 days ago · 152 km deep · 26 km away
29. 1.760 km WNW of Anchor Point, AlaskaSat, Oct 23, 1:29 PM AKDT · 1800 days ago · 92 km deep · 15 km away
30. 1.622 km W of Anchor Point, AlaskaSat, Oct 23, 2:22 PM AKDT · 1800 days ago · 64 km deep · 50 km away
31. 2.260 km E of Pedro Bay, AlaskaSat, Oct 23, 7:20 PM AKDT · 1800 days ago · 102 km deep · 31 km away
32. 1.77 km N of Ninilchik, AlaskaSat, Oct 23, 8:59 PM AKDT · 1800 days ago · 70 km deep · 70 km away
33. 3.161 km E of Pedro Bay, AlaskaSat, Oct 23, 9:33 PM AKDT · 1800 days ago · 107 km deep · 37 km away
34. 2.048 km NE of Pedro Bay, AlaskaSun, Oct 24, 12:31 AM AKDT · 1800 days ago · 141 km deep · 25 km away
35. 1.860 km WNW of Ninilchik, AlaskaSun, Oct 24, 1:20 AM AKDT · 1800 days ago · 109 km deep · 26 km away
36. 1.843 km WNW of Ninilchik, AlaskaSun, Oct 24, 3:36 AM AKDT · 1800 days ago · 94 km deep · 34 km away
37. 2.028 km E of Pedro Bay, AlaskaSun, Oct 24, 4:35 AM AKDT · 1800 days ago · 132 km deep · 48 km away
38. 1.664 km E of Pedro Bay, AlaskaSun, Oct 24, 11:56 AM AKDT · 1799 days ago · 100 km deep · 20 km away
39. 1.644 km WNW of Nanwalek, AlaskaSun, Oct 24, 1:58 PM AKDT · 1799 days ago · 78 km deep · 68 km away
40. 2.034 km WNW of Anchor Point, AlaskaSun, Oct 24, 3:57 PM AKDT · 1799 days ago · 207 km deep · 38 km away
41. 1.573 km E of Port Alsworth, AlaskaSun, Oct 24, 4:05 PM AKDT · 1799 days ago · 123 km deep · 10 km away
42. 1.655 km E of Port Alsworth, AlaskaSun, Oct 24, 6:53 PM AKDT · 1799 days ago · 142 km deep · 22 km away
43. 1.745 km ENE of Pedro Bay, AlaskaSun, Oct 24, 8:50 PM AKDT · 1799 days ago · 151 km deep · 28 km away
44. 2.464 km ENE of Pedro Bay, AlaskaMon, Oct 25, 12:23 AM AKDT · 1799 days ago · 119 km deep · 14 km away
45. 1.67 km WSW of Happy Valley, AlaskaMon, Oct 25, 12:44 AM AKDT · 1799 days ago · 78 km deep · 64 km away
46. 1.561 km ESE of Pedro Bay, AlaskaMon, Oct 25, 5:03 AM AKDT · 1798 days ago · 113 km deep · 56 km away
47. 1.630 km W of Anchor Point, AlaskaMon, Oct 25, 5:51 AM AKDT · 1798 days ago · 100 km deep · 44 km away
48. 1.666 km ENE of Pedro Bay, AlaskaMon, Oct 25, 7:04 AM AKDT · 1798 days ago · 124 km deep · 8 km away
49. 1.853 km ENE of Pedro Bay, AlaskaMon, Oct 25, 8:47 AM AKDT · 1798 days ago · 135 km deep · 19 km away
50. 1.552 km WNW of Ninilchik, AlaskaMon, Oct 25, 9:06 AM AKDT · 1798 days ago · 94 km deep · 24 km away
51. 2.056 km WNW of Anchor Point, AlaskaMon, Oct 25, 12:00 PM AKDT · 1798 days ago · 98 km deep · 19 km away
52. 1.665 km WNW of Nanwalek, AlaskaMon, Oct 25, 1:07 PM AKDT · 1798 days ago · 105 km deep · 59 km away
53. 1.854 km W of Nanwalek, AlaskaMon, Oct 25, 4:49 PM AKDT · 1798 days ago · 75 km deep · 76 km away
54. 1.567 km WNW of Nikiski, AlaskaMon, Oct 25, 7:51 PM AKDT · 1798 days ago · 112 km deep · 99 km away
55. 1.837 km ENE of Pedro Bay, AlaskaMon, Oct 25, 10:22 PM AKDT · 1798 days ago · 137 km deep · 35 km away
56. 3.746 km NE of Pedro Bay, AlaskaMon, Oct 25, 11:33 PM AKDT · 1798 days ago · 168 km deep · 31 km away · felt by 1
57. 1.544 km W of Nanwalek, AlaskaTue, Oct 26, 12:17 AM AKDT · 1798 days ago · 72 km deep · 80 km away
58. 1.635 km WSW of Anchor Point, AlaskaTue, Oct 26, 2:38 AM AKDT · 1798 days ago · 76 km deep · 51 km away
59. 1.867 km W of Happy Valley, AlaskaTue, Oct 26, 3:32 AM AKDT · 1798 days ago · 88 km deep · 3 km away
60. 1.750 km W of Happy Valley, AlaskaTue, Oct 26, 4:21 AM AKDT · 1798 days ago · 94 km deep · 20 km away

The first 60 of at least 201.

Before

1. 2.361 km WNW of Nanwalek, AlaskaWed, Oct 20, 8:20 AM AKDT · 1803 days ago · 87 km deep · 58 km away
2. 1.858 km WNW of Anchor Point, AlaskaWed, Oct 20, 6:16 AM AKDT · 1803 days ago · 95 km deep · 17 km away
3. 1.844 km NW of Ninilchik, AlaskaWed, Oct 20, 5:19 AM AKDT · 1803 days ago · 96 km deep · 51 km away
4. 1.756 km WNW of Anchor Point, AlaskaWed, Oct 20, 2:44 AM AKDT · 1804 days ago · 96 km deep · 19 km away
5. 1.742 km WNW of Nanwalek, AlaskaTue, Oct 19, 10:59 PM AKDT · 1804 days ago · 83 km deep · 68 km away
6. 1.886 km W of Salamatof, AlaskaTue, Oct 19, 10:34 PM AKDT · 1804 days ago · 124 km deep · 60 km away
7. 2.161 km WNW of Happy Valley, AlaskaTue, Oct 19, 9:59 PM AKDT · 1804 days ago · 93 km deep · 8 km away
8. 1.638 km ENE of Pedro Bay, AlaskaTue, Oct 19, 7:29 PM AKDT · 1804 days ago · 130 km deep · 35 km away
9. 2.260 km WNW of Ninilchik, AlaskaTue, Oct 19, 4:38 PM AKDT · 1804 days ago · 109 km deep · 26 km away
10. 1.812 km NE of Ninilchik, AlaskaTue, Oct 19, 1:49 PM AKDT · 1804 days ago · 47 km deep · 79 km away
11. 1.514 km SW of Salamatof, AlaskaTue, Oct 19, 11:37 AM AKDT · 1804 days ago · 66 km deep · 93 km away
12. 1.966 km WNW of Nanwalek, AlaskaTue, Oct 19, 11:26 AM AKDT · 1804 days ago · 97 km deep · 65 km away
13. 1.6Southern AlaskaTue, Oct 19, 6:05 AM AKDT · 1804 days ago · 68 km deep · 98 km away
14. 1.717 km NNW of Nanwalek, AlaskaTue, Oct 19, 5:33 AM AKDT · 1804 days ago · 62 km deep · 82 km away
15. 2.146 km ENE of Pedro Bay, AlaskaTue, Oct 19, 5:14 AM AKDT · 1804 days ago · 126 km deep · 29 km away
16. 2.269 km WNW of Happy Valley, AlaskaTue, Oct 19, 5:07 AM AKDT · 1804 days ago · 105 km deep · 3 km away
17. 2.860 km W of Anchor Point, AlaskaTue, Oct 19, 12:24 AM AKDT · 1805 days ago · 104 km deep · 29 km away
18. 1.962 km WNW of Ninilchik, AlaskaTue, Oct 19, 12:21 AM AKDT · 1805 days ago · 110 km deep · 18 km away
19. 2.131 km ENE of Pedro Bay, AlaskaMon, Oct 18, 6:33 PM AKDT · 1805 days ago · 137 km deep · 41 km away
20. 1.76 km NW of Ninilchik, AlaskaMon, Oct 18, 1:32 PM AKDT · 1805 days ago · 46 km deep · 67 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021dgvd658. Read Mon, Sep 28, 2026, 12:22 AM UTC.