M1.9 earthquake Alaska Peninsula

Magnitude

1.9 (ml), micro

Local time

Sat, Dec 18, 2021, 7:47 PM AKST

UTC

2021-12-19 04:47:40 UTC

Depth

9.4 km (5.8 mi), shallow

Epicenter

56.846° N, 155.748° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

29

• Womens Bay, AlaskaPopulation 719. Forecast207 kmWSW
• Anchorage, AlaskaPopulation 289,600. Forecast590 kmSW

After

1. 1.660 km W of Akhiok, AlaskaSat, Dec 18, 10:11 PM AKST · 1740 days ago · 15 km deep · 38 km away
2. 1.8112 km E of Chignik, AlaskaSun, Dec 19, 9:28 PM AKST · 1739 days ago · 46 km deep · 80 km away
3. 1.94 km S of Akhiok, AlaskaSun, Dec 19, 10:32 PM AKST · 1739 days ago · 3 km deep · 96 km away
4. 1.686 km W of Karluk, AlaskaMon, Dec 20, 8:12 PM AKST · 1738 days ago · 78 km deep · 74 km away
5. 1.735 km NW of Akhiok, AlaskaTue, Dec 21, 7:28 AM AKST · 1738 days ago · 0 km deep · 73 km away
6. 2.4122 km E of Chignik, AlaskaTue, Dec 21, 11:11 PM AKST · 1737 days ago · 46 km deep · 84 km away
7. 1.963 km WSW of Karluk, AlaskaThu, Dec 23, 8:16 AM AKST · 1736 days ago · 63 km deep · 56 km away
8. 2.064 km WSW of Karluk, AlaskaThu, Dec 23, 12:18 PM AKST · 1736 days ago · 60 km deep · 53 km away
9. 1.892 km WSW of Akhiok, AlaskaFri, Dec 24, 11:04 AM AKST · 1735 days ago · 63 km deep · 22 km away
10. 2.498 km SE of Ugashik, AlaskaFri, Dec 24, 12:10 PM AKST · 1735 days ago · 60 km deep · 26 km away
11. 1.99 km NNW of Akhiok, AlaskaFri, Dec 24, 12:13 PM AKST · 1735 days ago · 26 km deep · 95 km away
12. 1.660 km SW of Karluk, AlaskaFri, Dec 24, 1:23 PM AKST · 1734 days ago · 58 km deep · 52 km away
13. 1.972 km SW of Akhiok, AlaskaFri, Dec 24, 3:03 PM AKST · 1734 days ago · 6 km deep · 53 km away
14. 2.1109 km E of Chignik, AlaskaSat, Dec 25, 2:42 PM AKST · 1733 days ago · 46 km deep · 82 km away
15. 2.086 km SSE of Ugashik, AlaskaSat, Dec 25, 2:55 PM AKST · 1733 days ago · 83 km deep · 80 km away
16. 2.382 km S of Ugashik, AlaskaSat, Dec 25, 4:52 PM AKST · 1733 days ago · 97 km deep · 88 km away
17. 2.5128 km E of Chignik, AlaskaSun, Dec 26, 1:13 AM AKST · 1733 days ago · 7 km deep · 87 km away
18. 1.935 km W of Akhiok, AlaskaSun, Dec 26, 4:18 AM AKST · 1733 days ago · 9 km deep · 61 km away
19. 1.9113 km E of Chignik, AlaskaSun, Dec 26, 7:31 AM AKST · 1733 days ago · 46 km deep · 75 km away
20. 3.5103 km E of Chignik, AlaskaMon, Dec 27, 11:13 AM AKST · 1732 days ago · 2 km deep · 76 km away
21. 2.060 km WSW of Akhiok, AlaskaMon, Dec 27, 11:22 AM AKST · 1732 days ago · 63 km deep · 44 km away
22. 1.6100 km W of Akhiok, AlaskaTue, Dec 28, 6:32 AM AKST · 1731 days ago · 3 km deep · 10 km away
23. 1.638 km W of Akhiok, AlaskaTue, Dec 28, 9:07 AM AKST · 1731 days ago · 8 km deep · 59 km away
24. 1.575 km WSW of Karluk, AlaskaWed, Dec 29, 9:22 PM AKST · 1729 days ago · 65 km deep · 59 km away
25. 5.047 km SW of Karluk, AlaskaThu, Dec 30, 4:24 AM AKST · 1729 days ago · 59 km deep · 65 km away · felt by 6 · tsunami flag
26. 1.889 km WSW of Karluk, AlaskaThu, Dec 30, 3:55 PM AKST · 1728 days ago · 68 km deep · 47 km away
27. 2.054 km WNW of Akhiok, AlaskaFri, Dec 31, 4:33 AM AKST · 1728 days ago · 46 km deep · 54 km away
28. 1.958 km WSW of Akhiok, AlaskaFri, Dec 31, 8:16 AM AKST · 1728 days ago · 11 km deep · 51 km away
29. 1.666 km W of Akhiok, AlaskaFri, Dec 31, 4:09 PM AKST · 1727 days ago · 13 km deep · 34 km away
30. 2.095 km SE of Ugashik, AlaskaFri, Dec 31, 6:55 PM AKST · 1727 days ago · 79 km deep · 36 km away
31. 1.957 km WNW of Akhiok, AlaskaSat, Jan 1, 2:06 AM AKST · 1727 days ago · 51 km deep · 53 km away
32. 1.832 km NNW of Akhiok, AlaskaSun, Jan 2, 9:18 AM AKST · 1726 days ago · 4 km deep · 99 km away
33. 2.279 km WSW of Karluk, AlaskaSun, Jan 2, 6:54 PM AKST · 1725 days ago · 82 km deep · 44 km away
34. 2.181 km ENE of Ugashik, AlaskaMon, Jan 3, 12:09 AM AKST · 1725 days ago · 103 km deep · 94 km away
35. 2.031 km W of Akhiok, AlaskaMon, Jan 3, 8:06 AM AKST · 1725 days ago · 11 km deep · 65 km away
36. 2.17 km WNW of Akhiok, AlaskaMon, Jan 3, 8:17 AM AKST · 1725 days ago · 9 km deep · 90 km away
37. 2.8122 km WSW of Akhiok, AlaskaTue, Jan 4, 10:40 AM AKST · 1724 days ago · 70 km deep · 32 km away
38. 2.259 km SSE of Ugashik, AlaskaTue, Jan 4, 8:54 PM AKST · 1723 days ago · 2 km deep · 74 km away
39. 3.455 km SSW of Akhiok, AlaskaWed, Jan 5, 5:25 AM AKST · 1723 days ago · 36 km deep · 79 km away
40. 2.528 km SSW of Akhiok, AlaskaWed, Jan 5, 7:00 AM AKST · 1723 days ago · 7 km deep · 90 km away
41. 2.6116 km E of Chignik, AlaskaFri, Jan 7, 2:29 AM AKST · 1721 days ago · 74 km deep · 73 km away
42. 1.6108 km SE of Ugashik, AlaskaFri, Jan 7, 7:13 PM AKST · 1720 days ago · 7 km deep · 26 km away
43. 1.532 km SW of Karluk, AlaskaSat, Jan 8, 8:22 AM AKST · 1720 days ago · 53 km deep · 80 km away
44. 1.6102 km ESE of Ugashik, AlaskaSat, Jan 8, 12:41 PM AKST · 1720 days ago · 19 km deep · 24 km away
45. 1.873 km ESE of Ugashik, AlaskaSat, Jan 8, 3:16 PM AKST · 1719 days ago · 2 km deep · 58 km away
46. 2.680 km SSE of Ugashik, AlaskaSun, Jan 9, 10:13 PM AKST · 1718 days ago · 78 km deep · 61 km away
47. 2.150 km WNW of Karluk, AlaskaWed, Jan 12, 8:56 AM AKST · 1716 days ago · 67 km deep · 96 km away
48. 1.679 km E of Ugashik, AlaskaWed, Jan 12, 2:08 PM AKST · 1715 days ago · 86 km deep · 66 km away
49. 1.638 km W of Akhiok, AlaskaWed, Jan 12, 5:19 PM AKST · 1715 days ago · 40 km deep · 58 km away
50. 2.322 km WNW of Akhiok, AlaskaWed, Jan 12, 8:03 PM AKST · 1715 days ago · 11 km deep · 77 km away
51. 2.2124 km SE of Ugashik, AlaskaFri, Jan 14, 6:12 AM AKST · 1714 days ago · 60 km deep · 41 km away
52. 2.199 km E of Chignik, AlaskaFri, Jan 14, 6:13 AM AKST · 1714 days ago · 12 km deep · 96 km away
53. 2.3126 km SW of Akhiok, AlaskaFri, Jan 14, 2:02 PM AKST · 1713 days ago · 63 km deep · 66 km away
54. 1.840 km SW of Karluk, AlaskaFri, Jan 14, 7:43 PM AKST · 1713 days ago · 45 km deep · 72 km away
55. 3.5102 km WSW of Akhiok, AlaskaSun, Jan 16, 6:06 AM AKST · 1712 days ago · 44 km deep · 12 km away
56. 2.069 km WSW of Karluk, AlaskaMon, Jan 17, 12:28 AM AKST · 1711 days ago · 60 km deep · 52 km away
57. 1.7116 km E of Chignik, AlaskaMon, Jan 17, 8:50 AM AKST · 1711 days ago · 33 km deep · 87 km away
58. 2.4116 km E of Chignik, AlaskaMon, Jan 17, 1:27 PM AKST · 1710 days ago · 58 km deep · 74 km away
59. 1.725 km W of Akhiok, AlaskaTue, Jan 18, 2:36 PM AKST · 1709 days ago · 3 km deep · 71 km away
60. 1.573 km SE of Ugashik, AlaskaTue, Jan 18, 4:22 PM AKST · 1709 days ago · 34 km deep · 53 km away

The first 60 of 81.

Before

1. 1.8101 km W of Akhiok, AlaskaSat, Dec 18, 3:21 AM AKST · 1741 days ago · 14 km deep · 9 km away
2. 1.7101 km W of Akhiok, AlaskaFri, Dec 17, 3:09 PM AKST · 1741 days ago · 80 km deep · 15 km away
3. 2.299 km W of Akhiok, AlaskaFri, Dec 17, 1:42 PM AKST · 1741 days ago · 9 km deep · 7 km away
4. 1.9Kodiak Island region, AlaskaFri, Dec 17, 4:42 AM AKST · 1742 days ago · 38 km deep · 59 km away
5. 2.2103 km E of Chignik, AlaskaThu, Dec 16, 4:20 AM AKST · 1743 days ago · 68 km deep · 81 km away
6. 1.636 km NNW of Akhiok, AlaskaThu, Dec 16, 2:47 AM AKST · 1743 days ago · 8 km deep · 91 km away
7. 1.675 km ESE of Ugashik, AlaskaWed, Dec 15, 7:48 AM AKST · 1744 days ago · 10 km deep · 51 km away
8. 1.881 km SW of Karluk, AlaskaWed, Dec 15, 5:40 AM AKST · 1744 days ago · 61 km deep · 37 km away
9. 1.9109 km E of Chignik, AlaskaWed, Dec 15, 1:48 AM AKST · 1744 days ago · 65 km deep · 71 km away
10. 1.935 km W of Karluk, AlaskaTue, Dec 14, 3:31 AM AKST · 1745 days ago · 59 km deep · 90 km away
11. 1.673 km SE of Ugashik, AlaskaTue, Dec 14, 2:10 AM AKST · 1745 days ago · 10 km deep · 58 km away
12. 2.347 km SSE of Ugashik, AlaskaSun, Dec 12, 2:35 AM AKST · 1747 days ago · 95 km deep · 93 km away
13. 2.580 km E of Chignik, AlaskaSat, Dec 11, 6:11 AM AKST · 1748 days ago · 89 km deep · 97 km away
14. 2.461 km WSW of Akhiok, AlaskaSat, Dec 11, 4:42 AM AKST · 1748 days ago · 3 km deep · 45 km away
15. 2.6120 km E of Chignik, AlaskaThu, Dec 9, 9:21 PM AKST · 1749 days ago · 47 km deep · 70 km away
16. 2.2Alaska PeninsulaWed, Dec 8, 10:48 PM AKST · 1750 days ago · 65 km deep · 77 km away
17. 2.276 km ENE of Chignik, AlaskaWed, Dec 8, 5:57 PM AKST · 1750 days ago · 31 km deep · 98 km away
18. 2.060 km WNW of Karluk, AlaskaWed, Dec 8, 5:02 PM AKST · 1750 days ago · 77 km deep · 99 km away
19. 1.681 km WSW of Karluk, AlaskaWed, Dec 8, 9:10 AM AKST · 1751 days ago · 73 km deep · 60 km away
20. 2.074 km WSW of Karluk, AlaskaMon, Dec 6, 10:16 PM AKST · 1752 days ago · 63 km deep · 50 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021g7vdexo. Read Thu, Sep 24, 2026, 9:33 AM UTC.