M1.6 earthquake 18 km ENE of Halibut Cove, Alaska

Magnitude

1.6 (ml), micro

Local time

Thu, Dec 16, 2021, 8:57 PM AKST

UTC

2021-12-17 05:57:52 UTC

Depth

43.3 km (26.9 mi), shallow

Epicenter

59.648° N, 150.923° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

37

• Fritz Creek, AlaskaPopulation 1,932. Forecast23 kmESE
• Anchorage, AlaskaPopulation 289,600. Forecast183 kmSSW

After

1. 1.951 km ESE of Port Graham, AlaskaFri, Dec 17, 8:41 PM AKST · 1747 days ago · 47 km deep · 60 km away
2. 1.514 km SW of Anchor Point, AlaskaSat, Dec 18, 1:26 AM AKST · 1747 days ago · 68 km deep · 63 km away
3. 1.630 km NW of Nanwalek, AlaskaSat, Dec 18, 1:28 PM AKST · 1746 days ago · 65 km deep · 74 km away
4. 1.716 km SE of Clam Gulch, AlaskaSun, Dec 19, 5:41 AM AKST · 1746 days ago · 61 km deep · 55 km away
5. 1.814 km NW of Fox River, AlaskaSun, Dec 19, 6:36 AM AKST · 1746 days ago · 44 km deep · 35 km away
6. 1.64 km SE of Happy Valley, AlaskaSun, Dec 19, 3:39 PM AKST · 1745 days ago · 65 km deep · 52 km away
7. 1.640 km WNW of Nanwalek, AlaskaMon, Dec 20, 2:43 AM AKST · 1745 days ago · 72 km deep · 96 km away
8. 2.021 km E of Funny River, AlaskaMon, Dec 20, 7:05 AM AKST · 1745 days ago · 38 km deep · 100 km away
9. 1.51 km NNW of Kasilof, AlaskaMon, Dec 20, 10:55 AM AKST · 1744 days ago · 55 km deep · 80 km away
10. 1.917 km ESE of Kasilof, AlaskaMon, Dec 20, 2:38 PM AKST · 1744 days ago · 43 km deep · 73 km away
11. 1.5Kenai Peninsula, AlaskaTue, Dec 21, 3:11 PM AKST · 1743 days ago · 47 km deep · 67 km away
12. 1.521 km S of Nanwalek, AlaskaTue, Dec 21, 3:17 PM AKST · 1743 days ago · 59 km deep · 78 km away
13. 1.634 km WNW of Happy Valley, AlaskaTue, Dec 21, 4:19 PM AKST · 1743 days ago · 75 km deep · 89 km away
14. 2.35 km NNE of Nikolaevsk, AlaskaTue, Dec 21, 6:15 PM AKST · 1743 days ago · 46 km deep · 42 km away · felt by 1
15. 1.618 km SSE of Port Graham, AlaskaTue, Dec 21, 9:52 PM AKST · 1743 days ago · 57 km deep · 66 km away
16. 2.133 km WSW of Anchor Point, AlaskaTue, Dec 21, 10:39 PM AKST · 1743 days ago · 71 km deep · 83 km away
17. 2.060 km S of Lowell Point, AlaskaTue, Dec 21, 11:05 PM AKST · 1743 days ago · 3 km deep · 74 km away
18. 1.56 km S of Kenai, AlaskaTue, Dec 21, 11:47 PM AKST · 1743 days ago · 62 km deep · 96 km away
19. 1.631 km S of Port Graham, AlaskaWed, Dec 22, 6:34 AM AKST · 1743 days ago · 57 km deep · 82 km away
20. 1.517 km W of Anchor Point, AlaskaThu, Dec 23, 8:26 PM AKST · 1741 days ago · 74 km deep · 70 km away
21. 2.434 km WNW of Anchor Point, AlaskaFri, Dec 24, 12:24 AM AKST · 1741 days ago · 92 km deep · 87 km away
22. 1.616 km SE of Kasilof, AlaskaFri, Dec 24, 4:45 AM AKST · 1741 days ago · 63 km deep · 64 km away
23. 1.826 km W of Anchor Point, AlaskaFri, Dec 24, 6:14 AM AKST · 1741 days ago · 86 km deep · 78 km away
24. 2.145 km WSW of Anchor Point, AlaskaFri, Dec 24, 9:15 AM AKST · 1740 days ago · 85 km deep · 95 km away
25. 1.719 km ESE of Kasilof, AlaskaSat, Dec 25, 3:45 PM AKST · 1739 days ago · 67 km deep · 70 km away
26. 1.630 km ESE of Kasilof, AlaskaSat, Dec 25, 8:51 PM AKST · 1739 days ago · 50 km deep · 62 km away
27. 1.55 km E of Seldovia Village, AlaskaSun, Dec 26, 3:05 AM AKST · 1739 days ago · 48 km deep · 40 km away
28. 1.524 km WNW of Anchor Point, AlaskaSun, Dec 26, 6:32 AM AKST · 1739 days ago · 69 km deep · 77 km away
29. 2.340 km WNW of Anchor Point, AlaskaSun, Dec 26, 10:10 AM AKST · 1738 days ago · 88 km deep · 93 km away
30. 1.539 km WNW of Anchor Point, AlaskaSun, Dec 26, 12:56 PM AKST · 1738 days ago · 86 km deep · 92 km away
31. 2.15 km SW of Funny River, AlaskaSun, Dec 26, 6:33 PM AKST · 1738 days ago · 48 km deep · 92 km away
32. 1.521 km NW of Nanwalek, AlaskaMon, Dec 27, 12:43 AM AKST · 1738 days ago · 62 km deep · 72 km away
33. 1.67 km N of Nanwalek, AlaskaMon, Dec 27, 1:11 AM AKST · 1738 days ago · 53 km deep · 61 km away
34. 1.620 km WSW of Anchor Point, AlaskaMon, Dec 27, 9:24 AM AKST · 1737 days ago · 69 km deep · 70 km away
35. 1.51 km SSW of Nikolaevsk, AlaskaMon, Dec 27, 9:47 AM AKST · 1737 days ago · 57 km deep · 42 km away
36. 1.541 km W of Anchor Point, AlaskaMon, Dec 27, 11:47 AM AKST · 1737 days ago · 77 km deep · 94 km away
37. 3.417 km SW of Nanwalek, AlaskaTue, Dec 28, 12:57 AM AKST · 1737 days ago · 60 km deep · 82 km away · felt by 3
38. 1.640 km W of Nanwalek, AlaskaTue, Dec 28, 1:08 AM AKST · 1737 days ago · 74 km deep · 99 km away
39. 2.041 km W of Anchor Point, AlaskaTue, Dec 28, 2:59 AM AKST · 1737 days ago · 82 km deep · 93 km away
40. 1.8Kenai Peninsula, AlaskaTue, Dec 28, 4:34 AM AKST · 1737 days ago · 62 km deep · 82 km away
41. 1.513 km E of Kasilof, AlaskaTue, Dec 28, 7:03 AM AKST · 1737 days ago · 50 km deep · 79 km away
42. 1.527 km WNW of Happy Valley, AlaskaTue, Dec 28, 10:43 AM AKST · 1736 days ago · 68 km deep · 84 km away
43. 2.239 km WNW of Nanwalek, AlaskaTue, Dec 28, 12:43 PM AKST · 1736 days ago · 71 km deep · 92 km away
44. 1.514 km WSW of Cooper Landing, AlaskaWed, Dec 29, 7:26 AM AKST · 1736 days ago · 30 km deep · 100 km away
45. 1.637 km NW of Ninilchik, AlaskaWed, Dec 29, 7:56 AM AKST · 1735 days ago · 89 km deep · 98 km away
46. 2.590 km SE of Halibut Cove, AlaskaThu, Dec 30, 6:16 AM AKST · 1735 days ago · 1 km deep · 82 km away
47. 1.533 km W of Nanwalek, AlaskaThu, Dec 30, 5:42 PM AKST · 1734 days ago · 84 km deep · 94 km away
48. 1.639 km WNW of Nanwalek, AlaskaThu, Dec 30, 10:05 PM AKST · 1734 days ago · 76 km deep · 96 km away
49. 2.59 km WNW of Happy Valley, AlaskaThu, Dec 30, 10:39 PM AKST · 1734 days ago · 79 km deep · 65 km away
50. 1.944 km W of Anchor Point, AlaskaSat, Jan 1, 12:17 AM AKST · 1733 days ago · 84 km deep · 97 km away
51. 1.943 km W of Happy Valley, AlaskaSat, Jan 1, 1:55 PM AKST · 1732 days ago · 80 km deep · 96 km away
52. 1.837 km WNW of Anchor Point, AlaskaSun, Jan 2, 1:57 AM AKST · 1732 days ago · 86 km deep · 90 km away
53. 1.929 km SSW of Nanwalek, AlaskaSun, Jan 2, 6:15 AM AKST · 1732 days ago · 75 km deep · 88 km away
54. 1.616 km W of Lowell Point, AlaskaSun, Jan 2, 9:35 AM AKST · 1731 days ago · 2 km deep · 80 km away
55. 1.710 km NNW of Anchor Point, AlaskaSun, Jan 2, 3:53 PM AKST · 1731 days ago · 63 km deep · 59 km away
56. 1.626 km WNW of Anchor Point, AlaskaSun, Jan 2, 8:44 PM AKST · 1731 days ago · 75 km deep · 79 km away
57. 2.051 km S of Port Graham, AlaskaMon, Jan 3, 7:10 AM AKST · 1731 days ago · 7 km deep · 99 km away
58. 1.833 km WNW of Nanwalek, AlaskaMon, Jan 3, 11:15 AM AKST · 1730 days ago · 74 km deep · 88 km away
59. 1.638 km WSW of Anchor Point, AlaskaMon, Jan 3, 9:00 PM AKST · 1730 days ago · 79 km deep · 86 km away
60. 1.821 km SW of Anchor Point, AlaskaTue, Jan 4, 6:18 AM AKST · 1730 days ago · 72 km deep · 67 km away

The first 60 of 185.

Before

1. 1.523 km WNW of Happy Valley, AlaskaThu, Dec 16, 8:19 AM AKST · 1748 days ago · 74 km deep · 79 km away
2. 1.719 km ESE of Port Graham, AlaskaTue, Dec 14, 4:04 PM AKST · 1750 days ago · 52 km deep · 54 km away
3. 1.644 km WSW of Anchor Point, AlaskaTue, Dec 14, 3:41 PM AKST · 1750 days ago · 84 km deep · 93 km away
4. 2.510 km S of Funny River, AlaskaTue, Dec 14, 9:53 AM AKST · 1750 days ago · 67 km deep · 85 km away
5. 1.627 km NE of Fox River, AlaskaTue, Dec 14, 8:18 AM AKST · 1750 days ago · 8 km deep · 45 km away
6. 1.740 km SSE of Port Graham, AlaskaTue, Dec 14, 7:58 AM AKST · 1750 days ago · 49 km deep · 80 km away
7. 1.622 km NNW of Ninilchik, AlaskaTue, Dec 14, 6:23 AM AKST · 1751 days ago · 65 km deep · 83 km away
8. 1.931 km W of Nanwalek, AlaskaTue, Dec 14, 3:58 AM AKST · 1751 days ago · 61 km deep · 93 km away
9. 2.627 km NNW of Ninilchik, AlaskaTue, Dec 14, 3:12 AM AKST · 1751 days ago · 85 km deep · 87 km away
10. 1.540 km S of Port Graham, AlaskaMon, Dec 13, 9:58 PM AKST · 1751 days ago · 29 km deep · 92 km away
11. 1.735 km WSW of Anchor Point, AlaskaMon, Dec 13, 7:55 PM AKST · 1751 days ago · 71 km deep · 86 km away
12. 1.729 km W of Happy Valley, AlaskaMon, Dec 13, 12:07 PM AKST · 1751 days ago · 86 km deep · 81 km away
13. 2.915 km SW of Nanwalek, AlaskaMon, Dec 13, 11:30 AM AKST · 1751 days ago · 61 km deep · 80 km away
14. 1.59 km SE of Ninilchik, AlaskaMon, Dec 13, 11:04 AM AKST · 1751 days ago · 58 km deep · 51 km away
15. 1.739 km WNW of Nanwalek, AlaskaMon, Dec 13, 10:55 AM AKST · 1751 days ago · 88 km deep · 92 km away
16. 1.7Kenai Peninsula, AlaskaMon, Dec 13, 8:41 AM AKST · 1751 days ago · 34 km deep · 90 km away
17. 1.920 km NNW of Nanwalek, AlaskaMon, Dec 13, 5:07 AM AKST · 1752 days ago · 66 km deep · 68 km away
18. 1.917 km NW of Seldovia Village, AlaskaMon, Dec 13, 1:00 AM AKST · 1752 days ago · 69 km deep · 55 km away
19. 2.335 km WNW of Happy Valley, AlaskaSun, Dec 12, 3:46 PM AKST · 1752 days ago · 74 km deep · 90 km away
20. 1.6Southern AlaskaSun, Dec 12, 2:19 AM AKST · 1753 days ago · 70 km deep · 72 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021g4kyb7p. Read Wed, Sep 30, 2026, 4:00 AM UTC.