M1.6 earthquake 75 km ESE of Ugashik, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Wed, Dec 15, 2021, 7:48 AM AKST

UTC

2021-12-15 16:48:52 UTC

Depth

9.5 km (5.9 mi), shallow

Epicenter

57.205° N, 156.280° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

39

• Naknek, AlaskaPopulation 544. Forecast175 kmSSE
• Anchorage, AlaskaPopulation 289,600. Forecast575 kmSW

After

1. 2.2103 km E of Chignik, AlaskaThu, Dec 16, 4:20 AM AKST · 1751 days ago · 68 km deep · 98 km away
2. 2.299 km W of Akhiok, AlaskaFri, Dec 17, 1:42 PM AKST · 1750 days ago · 9 km deep · 45 km away
3. 1.575 km ENE of Ugashik, AlaskaFri, Dec 17, 2:03 PM AKST · 1750 days ago · 117 km deep · 68 km away
4. 1.7101 km W of Akhiok, AlaskaFri, Dec 17, 3:09 PM AKST · 1750 days ago · 80 km deep · 37 km away
5. 1.8101 km W of Akhiok, AlaskaSat, Dec 18, 3:21 AM AKST · 1749 days ago · 14 km deep · 42 km away
6. 1.690 km ESE of Egegik, AlaskaSat, Dec 18, 9:45 AM AKST · 1749 days ago · 102 km deep · 77 km away
7. 1.834 km S of Ugashik, AlaskaSat, Dec 18, 1:37 PM AKST · 1749 days ago · 5 km deep · 68 km away
8. 1.9Alaska PeninsulaSat, Dec 18, 7:47 PM AKST · 1748 days ago · 9 km deep · 51 km away
9. 1.660 km W of Akhiok, AlaskaSat, Dec 18, 10:11 PM AKST · 1748 days ago · 15 km deep · 72 km away
10. 2.241 km WNW of Karluk, AlaskaSun, Dec 19, 4:16 PM AKST · 1747 days ago · 74 km deep · 96 km away
11. 2.057 km ESE of Egegik, AlaskaSun, Dec 19, 6:26 PM AKST · 1747 days ago · 10 km deep · 88 km away
12. 2.538 km E of Ugashik, AlaskaSun, Dec 19, 9:33 PM AKST · 1747 days ago · 129 km deep · 51 km away
13. 1.686 km W of Karluk, AlaskaMon, Dec 20, 8:12 PM AKST · 1746 days ago · 78 km deep · 41 km away
14. 1.735 km NW of Akhiok, AlaskaTue, Dec 21, 7:28 AM AKST · 1746 days ago · 0 km deep · 99 km away
15. 3.165 km ESE of Egegik, AlaskaTue, Dec 21, 9:36 AM AKST · 1746 days ago · 136 km deep · 89 km away
16. 1.978 km ESE of Egegik, AlaskaWed, Dec 22, 9:25 AM AKST · 1745 days ago · 124 km deep · 79 km away
17. 1.661 km WNW of Karluk, AlaskaWed, Dec 22, 1:03 PM AKST · 1745 days ago · 10 km deep · 85 km away
18. 3.131 km NNE of Pilot Point, AlaskaWed, Dec 22, 10:40 PM AKST · 1744 days ago · 7 km deep · 96 km away
19. 1.829 km NE of Pilot Point, AlaskaWed, Dec 22, 11:11 PM AKST · 1744 days ago · 2 km deep · 88 km away
20. 1.963 km WSW of Karluk, AlaskaThu, Dec 23, 8:16 AM AKST · 1744 days ago · 63 km deep · 54 km away
21. 2.064 km WSW of Karluk, AlaskaThu, Dec 23, 12:18 PM AKST · 1744 days ago · 60 km deep · 55 km away
22. 1.728 km NE of Pilot Point, AlaskaFri, Dec 24, 12:20 AM AKST · 1743 days ago · 7 km deep · 88 km away
23. 1.892 km WSW of Akhiok, AlaskaFri, Dec 24, 11:04 AM AKST · 1743 days ago · 63 km deep · 73 km away
24. 2.498 km SE of Ugashik, AlaskaFri, Dec 24, 12:10 PM AKST · 1743 days ago · 60 km deep · 26 km away
25. 1.660 km SW of Karluk, AlaskaFri, Dec 24, 1:23 PM AKST · 1743 days ago · 58 km deep · 64 km away
26. 2.086 km SSE of Ugashik, AlaskaSat, Dec 25, 2:55 PM AKST · 1742 days ago · 83 km deep · 68 km away
27. 2.382 km S of Ugashik, AlaskaSat, Dec 25, 4:52 PM AKST · 1741 days ago · 97 km deep · 72 km away
28. 1.935 km W of Akhiok, AlaskaSun, Dec 26, 4:18 AM AKST · 1741 days ago · 9 km deep · 98 km away
29. 1.9113 km E of Chignik, AlaskaSun, Dec 26, 7:31 AM AKST · 1741 days ago · 46 km deep · 97 km away
30. 1.767 km ENE of Ugashik, AlaskaMon, Dec 27, 8:26 AM AKST · 1740 days ago · 123 km deep · 67 km away
31. 3.5103 km E of Chignik, AlaskaMon, Dec 27, 11:13 AM AKST · 1740 days ago · 2 km deep · 89 km away
32. 2.060 km WSW of Akhiok, AlaskaMon, Dec 27, 11:22 AM AKST · 1740 days ago · 63 km deep · 92 km away
33. 1.6100 km W of Akhiok, AlaskaTue, Dec 28, 6:32 AM AKST · 1739 days ago · 3 km deep · 42 km away
34. 1.638 km W of Akhiok, AlaskaTue, Dec 28, 9:07 AM AKST · 1739 days ago · 8 km deep · 93 km away
35. 1.575 km WSW of Karluk, AlaskaWed, Dec 29, 9:22 PM AKST · 1737 days ago · 65 km deep · 42 km away
36. 5.047 km SW of Karluk, AlaskaThu, Dec 30, 4:24 AM AKST · 1737 days ago · 59 km deep · 77 km away · felt by 6 · tsunami flag
37. 1.889 km WSW of Karluk, AlaskaThu, Dec 30, 3:55 PM AKST · 1737 days ago · 68 km deep · 28 km away
38. 2.054 km WNW of Akhiok, AlaskaFri, Dec 31, 4:33 AM AKST · 1736 days ago · 46 km deep · 77 km away
39. 1.958 km WSW of Akhiok, AlaskaFri, Dec 31, 8:16 AM AKST · 1736 days ago · 11 km deep · 99 km away
40. 1.666 km W of Akhiok, AlaskaFri, Dec 31, 4:09 PM AKST · 1735 days ago · 13 km deep · 66 km away
41. 2.095 km SE of Ugashik, AlaskaFri, Dec 31, 6:55 PM AKST · 1735 days ago · 79 km deep · 37 km away
42. 1.957 km WNW of Akhiok, AlaskaSat, Jan 1, 2:06 AM AKST · 1735 days ago · 51 km deep · 75 km away
43. 2.279 km WSW of Karluk, AlaskaSun, Jan 2, 6:54 PM AKST · 1733 days ago · 82 km deep · 39 km away
44. 2.181 km ENE of Ugashik, AlaskaMon, Jan 3, 12:09 AM AKST · 1733 days ago · 103 km deep · 53 km away
45. 1.870 km WNW of Karluk, AlaskaMon, Jan 3, 7:42 AM AKST · 1733 days ago · 80 km deep · 75 km away
46. 2.8122 km WSW of Akhiok, AlaskaTue, Jan 4, 10:40 AM AKST · 1732 days ago · 70 km deep · 66 km away
47. 2.259 km SSE of Ugashik, AlaskaTue, Jan 4, 8:54 PM AKST · 1731 days ago · 2 km deep · 42 km away
48. 3.849 km WNW of Karluk, AlaskaWed, Jan 5, 5:30 AM AKST · 1731 days ago · 13 km deep · 90 km away
49. 1.533 km NNE of Pilot Point, AlaskaWed, Jan 5, 8:12 PM AKST · 1730 days ago · 5 km deep · 95 km away
50. 2.677 km ESE of Egegik, AlaskaThu, Jan 6, 5:18 PM AKST · 1729 days ago · 130 km deep · 75 km away
51. 2.6116 km E of Chignik, AlaskaFri, Jan 7, 2:29 AM AKST · 1729 days ago · 74 km deep · 97 km away
52. 1.6108 km SE of Ugashik, AlaskaFri, Jan 7, 7:13 PM AKST · 1728 days ago · 7 km deep · 45 km away
53. 1.532 km SW of Karluk, AlaskaSat, Jan 8, 8:22 AM AKST · 1728 days ago · 53 km deep · 87 km away
54. 1.6102 km ESE of Ugashik, AlaskaSat, Jan 8, 12:41 PM AKST · 1728 days ago · 19 km deep · 28 km away
55. 1.873 km ESE of Ugashik, AlaskaSat, Jan 8, 3:16 PM AKST · 1728 days ago · 2 km deep · 10 km away
56. 2.680 km SSE of Ugashik, AlaskaSun, Jan 9, 10:13 PM AKST · 1726 days ago · 78 km deep · 46 km away
57. 2.150 km WNW of Karluk, AlaskaWed, Jan 12, 8:56 AM AKST · 1724 days ago · 67 km deep · 79 km away
58. 1.679 km E of Ugashik, AlaskaWed, Jan 12, 2:08 PM AKST · 1724 days ago · 86 km deep · 25 km away
59. 1.638 km W of Akhiok, AlaskaWed, Jan 12, 5:19 PM AKST · 1723 days ago · 40 km deep · 95 km away
60. 1.791 km ESE of Egegik, AlaskaThu, Jan 13, 8:12 AM AKST · 1723 days ago · 109 km deep · 79 km away

The first 60 of 92.

Before

1. 1.881 km SW of Karluk, AlaskaWed, Dec 15, 5:40 AM AKST · 1752 days ago · 61 km deep · 42 km away
2. 1.933 km WNW of Karluk, AlaskaWed, Dec 15, 2:19 AM AKST · 1752 days ago · 61 km deep · 96 km away
3. 1.9109 km E of Chignik, AlaskaWed, Dec 15, 1:48 AM AKST · 1752 days ago · 65 km deep · 87 km away
4. 1.935 km W of Karluk, AlaskaTue, Dec 14, 3:31 AM AKST · 1753 days ago · 59 km deep · 84 km away
5. 1.673 km SE of Ugashik, AlaskaTue, Dec 14, 2:10 AM AKST · 1753 days ago · 10 km deep · 34 km away
6. 1.772 km ESE of Egegik, AlaskaMon, Dec 13, 8:41 PM AKST · 1753 days ago · 127 km deep · 75 km away
7. 2.347 km SSE of Ugashik, AlaskaSun, Dec 12, 2:35 AM AKST · 1755 days ago · 95 km deep · 57 km away
8. 2.461 km WSW of Akhiok, AlaskaSat, Dec 11, 4:42 AM AKST · 1756 days ago · 3 km deep · 93 km away
9. 1.858 km WNW of Karluk, AlaskaFri, Dec 10, 11:17 PM AKST · 1756 days ago · 89 km deep · 84 km away
10. 1.890 km WNW of Karluk, AlaskaThu, Dec 9, 10:08 PM AKST · 1757 days ago · 3 km deep · 83 km away
11. 2.6120 km E of Chignik, AlaskaThu, Dec 9, 9:21 PM AKST · 1757 days ago · 47 km deep · 96 km away
12. 2.276 km ENE of Chignik, AlaskaWed, Dec 8, 5:57 PM AKST · 1758 days ago · 31 km deep · 96 km away
13. 2.060 km WNW of Karluk, AlaskaWed, Dec 8, 5:02 PM AKST · 1758 days ago · 77 km deep · 77 km away
14. 1.681 km WSW of Karluk, AlaskaWed, Dec 8, 9:10 AM AKST · 1759 days ago · 73 km deep · 36 km away
15. 2.074 km WSW of Karluk, AlaskaMon, Dec 6, 10:16 PM AKST · 1760 days ago · 63 km deep · 43 km away
16. 2.1Alaska PeninsulaMon, Dec 6, 8:57 AM AKST · 1761 days ago · 81 km deep · 46 km away
17. 2.481 km ESE of Ugashik, AlaskaSun, Dec 5, 8:20 PM AKST · 1761 days ago · 76 km deep · 6 km away
18. 2.147 km WNW of Akhiok, AlaskaSun, Dec 5, 6:38 PM AKST · 1761 days ago · 47 km deep · 87 km away
19. 2.153 km W of Karluk, AlaskaSun, Dec 5, 4:19 PM AKST · 1761 days ago · 81 km deep · 65 km away
20. 2.081 km WNW of Karluk, AlaskaSun, Dec 5, 8:26 AM AKST · 1762 days ago · 1 km deep · 65 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021g1gdgrm. Read Fri, Oct 2, 2026, 12:37 PM UTC.