M1.6 earthquake 20 km WSW of Susitna, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Mon, Dec 21, 2020, 6:07 PM AKST

UTC

2020-12-22 03:07:50 UTC

Depth

67.8 km (42.1 mi), shallow

Epicenter

61.470° N, 150.874° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

25

• Big Lake, AlaskaPopulation 3,350. Forecast49 kmW
• Anchorage, AlaskaPopulation 289,600. Forecast59 kmWNW

After

1. 1.517 km SSE of Susitna, AlaskaTue, Dec 22, 5:30 AM AKST · 2111 days ago · 62 km deep · 28 km away
2. 1.617 km WSW of Tyonek, AlaskaTue, Dec 22, 6:45 AM AKST · 2111 days ago · 67 km deep · 60 km away
3. 1.717 km WSW of Anchorage, AlaskaTue, Dec 22, 8:37 AM AKST · 2111 days ago · 46 km deep · 47 km away
4. 2.0Southern AlaskaTue, Dec 22, 10:33 AM AKST · 2111 days ago · 69 km deep · 49 km away
5. 1.812 km WSW of Big Lake, AlaskaTue, Dec 22, 10:56 AM AKST · 2111 days ago · 50 km deep · 37 km away
6. 1.513 km WSW of Big Lake, AlaskaTue, Dec 22, 10:58 AM AKST · 2111 days ago · 51 km deep · 37 km away
7. 1.620 km NNE of Beluga, AlaskaTue, Dec 22, 3:59 PM AKST · 2110 days ago · 10 km deep · 20 km away
8. 1.913 km NNE of Nikiski, AlaskaTue, Dec 22, 4:25 PM AKST · 2110 days ago · 64 km deep · 76 km away
9. 1.6Southern AlaskaTue, Dec 22, 4:59 PM AKST · 2110 days ago · 42 km deep · 73 km away
10. 1.811 km N of Point Possession, AlaskaTue, Dec 22, 7:30 PM AKST · 2110 days ago · 5 km deep · 50 km away
11. 1.620 km SSW of Trapper Creek, AlaskaTue, Dec 22, 8:36 PM AKST · 2110 days ago · 53 km deep · 80 km away
12. 1.528 km WNW of Hope, AlaskaTue, Dec 22, 10:51 PM AKST · 2110 days ago · 50 km deep · 66 km away
13. 1.521 km SSW of Anchorage, AlaskaWed, Dec 23, 1:08 AM AKST · 2110 days ago · 39 km deep · 62 km away
14. 1.613 km NNW of Hope, AlaskaWed, Dec 23, 11:27 AM AKST · 2110 days ago · 40 km deep · 78 km away
15. 2.470 km W of Tyonek, AlaskaWed, Dec 23, 11:53 AM AKST · 2110 days ago · 125 km deep · 91 km away
16. 1.531 km NW of Nikiski, AlaskaWed, Dec 23, 1:21 PM AKST · 2110 days ago · 84 km deep · 84 km away
17. 1.57 km WSW of Knik, AlaskaWed, Dec 23, 1:40 PM AKST · 2110 days ago · 32 km deep · 53 km away
18. 1.76 km N of Big Lake, AlaskaWed, Dec 23, 2:33 PM AKST · 2110 days ago · 41 km deep · 49 km away
19. 1.5Central AlaskaWed, Dec 23, 2:57 PM AKST · 2110 days ago · 11 km deep · 78 km away
20. 1.632 km NNW of Beluga, AlaskaWed, Dec 23, 4:56 PM AKST · 2109 days ago · 80 km deep · 26 km away
21. 2.021 km ESE of Elmendorf Air Force Base, AlaskaThu, Dec 24, 12:47 AM AKST · 2109 days ago · 31 km deep · 92 km away
22. 1.831 km SW of Trapper Creek, AlaskaThu, Dec 24, 6:06 AM AKST · 2109 days ago · 4 km deep · 77 km away
23. 1.538 km WNW of Skwentna, AlaskaThu, Dec 24, 11:18 AM AKST · 2109 days ago · 100 km deep · 93 km away
24. 3.05 km S of Point MacKenzie, AlaskaThu, Dec 24, 1:21 PM AKST · 2109 days ago · 38 km deep · 51 km away · felt by 18
25. 2.030 km WNW of Nikiski, AlaskaThu, Dec 24, 2:56 PM AKST · 2109 days ago · 80 km deep · 91 km away
26. 1.521 km W of Tyonek, AlaskaThu, Dec 24, 3:23 PM AKST · 2108 days ago · 71 km deep · 58 km away
27. 1.54 km NE of Tyonek, AlaskaThu, Dec 24, 9:58 PM AKST · 2108 days ago · 58 km deep · 43 km away
28. 1.543 km NW of Beluga, AlaskaFri, Dec 25, 3:40 AM AKST · 2108 days ago · 79 km deep · 48 km away
29. 1.621 km WNW of Tyonek, AlaskaFri, Dec 25, 3:54 AM AKST · 2108 days ago · 78 km deep · 47 km away
30. 1.96 km WNW of Meadow Lakes, AlaskaFri, Dec 25, 1:02 PM AKST · 2108 days ago · 39 km deep · 65 km away
31. 2.77 km W of Trapper Creek, AlaskaSat, Dec 26, 7:45 AM AKST · 2107 days ago · 10 km deep · 97 km away · felt by 7
32. 1.766 km W of Tyonek, AlaskaSat, Dec 26, 8:18 PM AKST · 2106 days ago · 114 km deep · 95 km away
33. 1.871 km SW of Skwentna, AlaskaSat, Dec 26, 9:02 PM AKST · 2106 days ago · 116 km deep · 75 km away
34. 1.917 km N of Nikiski, AlaskaSun, Dec 27, 1:13 AM AKST · 2106 days ago · 69 km deep · 72 km away
35. 1.653 km W of Tyonek, AlaskaSun, Dec 27, 2:05 AM AKST · 2106 days ago · 17 km deep · 75 km away
36. 2.128 km WNW of Susitna, AlaskaSun, Dec 27, 2:19 AM AKST · 2106 days ago · 65 km deep · 22 km away
37. 2.51 km ENE of Tyonek, AlaskaSun, Dec 27, 3:20 PM AKST · 2105 days ago · 61 km deep · 46 km away · felt by 1
38. 1.529 km SSE of Skwentna, AlaskaSun, Dec 27, 4:23 PM AKST · 2105 days ago · 79 km deep · 36 km away
39. 2.336 km SSW of Trapper Creek, AlaskaSun, Dec 27, 7:37 PM AKST · 2105 days ago · 59 km deep · 64 km away
40. 1.53 km ESE of Big Lake, AlaskaMon, Dec 28, 12:07 AM AKST · 2105 days ago · 39 km deep · 52 km away
41. 1.518 km ESE of Beluga, AlaskaMon, Dec 28, 2:54 AM AKST · 2105 days ago · 11 km deep · 42 km away
42. 2.63 km SW of Point MacKenzie, AlaskaMon, Dec 28, 3:13 AM AKST · 2105 days ago · 37 km deep · 47 km away · felt by 3
43. 1.771 km W of Tyonek, AlaskaMon, Dec 28, 5:10 AM AKST · 2105 days ago · 113 km deep · 96 km away
44. 1.59 km WSW of Knik, AlaskaMon, Dec 28, 5:24 AM AKST · 2105 days ago · 29 km deep · 52 km away
45. 1.628 km WSW of Skwentna, AlaskaMon, Dec 28, 8:18 AM AKST · 2105 days ago · 99 km deep · 76 km away
46. 1.515 km NNE of Willow, AlaskaMon, Dec 28, 10:16 AM AKST · 2105 days ago · 42 km deep · 66 km away
47. 1.57 km NW of Point MacKenzie, AlaskaMon, Dec 28, 10:48 AM AKST · 2105 days ago · 37 km deep · 43 km away
48. 2.037 km NW of Beluga, AlaskaMon, Dec 28, 11:14 AM AKST · 2105 days ago · 71 km deep · 37 km away
49. 1.837 km NW of Beluga, AlaskaMon, Dec 28, 11:50 AM AKST · 2105 days ago · 71 km deep · 37 km away
50. 1.726 km SSW of Skwentna, AlaskaMon, Dec 28, 12:11 PM AKST · 2105 days ago · 91 km deep · 55 km away
51. 1.637 km NW of Beluga, AlaskaMon, Dec 28, 5:24 PM AKST · 2104 days ago · 72 km deep · 39 km away
52. 2.414 km W of Trapper Creek, AlaskaMon, Dec 28, 11:24 PM AKST · 2104 days ago · 8 km deep · 99 km away · felt by 2
53. 1.62 km E of Big Lake, AlaskaTue, Dec 29, 12:57 AM AKST · 2104 days ago · 41 km deep · 52 km away
54. 1.657 km WNW of Nikiski, AlaskaTue, Dec 29, 7:13 AM AKST · 2104 days ago · 100 km deep · 99 km away
55. 1.52 km SE of Big Lake, AlaskaTue, Dec 29, 11:32 AM AKST · 2104 days ago · 44 km deep · 51 km away
56. 2.00 km N of Willow, AlaskaTue, Dec 29, 1:08 PM AKST · 2104 days ago · 39 km deep · 54 km away
57. 1.966 km WSW of Skwentna, AlaskaTue, Dec 29, 4:33 PM AKST · 2103 days ago · 147 km deep · 91 km away
58. 2.56 km NNE of Point MacKenzie, AlaskaTue, Dec 29, 5:02 PM AKST · 2103 days ago · 41 km deep · 51 km away
59. 1.97 km NNE of Point MacKenzie, AlaskaTue, Dec 29, 6:06 PM AKST · 2103 days ago · 39 km deep · 50 km away
60. 1.527 km SW of Petersville, AlaskaTue, Dec 29, 6:22 PM AKST · 2103 days ago · 73 km deep · 96 km away

The first 60 of at least 202.

Before

1. 1.613 km WNW of Nikiski, AlaskaMon, Dec 21, 4:51 PM AKST · 2111 days ago · 74 km deep · 87 km away
2. 1.621 km WNW of Susitna, AlaskaMon, Dec 21, 10:27 AM AKST · 2112 days ago · 54 km deep · 19 km away
3. 1.98 km N of Houston, AlaskaMon, Dec 21, 4:03 AM AKST · 2112 days ago · 37 km deep · 61 km away
4. 1.61 km E of Tyonek, AlaskaSun, Dec 20, 11:52 PM AKST · 2112 days ago · 57 km deep · 47 km away
5. 1.724 km W of Skwentna, AlaskaSun, Dec 20, 9:36 PM AKST · 2112 days ago · 99 km deep · 78 km away
6. 1.814 km ENE of Point Possession, AlaskaSun, Dec 20, 2:50 AM AKST · 2113 days ago · 46 km deep · 60 km away
7. 2.237 km NW of Beluga, AlaskaSat, Dec 19, 9:20 PM AKST · 2113 days ago · 78 km deep · 40 km away
8. 2.345 km S of Skwentna, AlaskaSat, Dec 19, 9:06 PM AKST · 2113 days ago · 75 km deep · 35 km away
9. 2.010 km ESE of Skwentna, AlaskaSat, Dec 19, 6:20 AM AKST · 2114 days ago · 72 km deep · 56 km away
10. 2.17 km SSE of Big Lake, AlaskaSat, Dec 19, 5:59 AM AKST · 2114 days ago · 32 km deep · 51 km away
11. 2.22 km ENE of Big Lake, AlaskaFri, Dec 18, 6:41 PM AKST · 2114 days ago · 44 km deep · 51 km away · felt by 3
12. 2.818 km WSW of Susitna, AlaskaFri, Dec 18, 3:02 PM AKST · 2115 days ago · 64 km deep · 4 km away
13. 1.525 km WNW of Susitna, AlaskaFri, Dec 18, 1:45 PM AKST · 2115 days ago · 74 km deep · 17 km away
14. 1.610 km NW of Susitna, AlaskaFri, Dec 18, 11:29 AM AKST · 2115 days ago · 52 km deep · 19 km away
15. 1.7Central AlaskaFri, Dec 18, 10:01 AM AKST · 2115 days ago · 60 km deep · 91 km away
16. 2.113 km N of Skwentna, AKFri, Dec 18, 9:04 AM AKST · 2115 days ago · 82 km deep · 76 km away
17. 1.637 km NNW of Beluga, AlaskaFri, Dec 18, 8:24 AM AKST · 2115 days ago · 19 km deep · 21 km away
18. 1.6Southern AlaskaFri, Dec 18, 8:10 AM AKST · 2115 days ago · 12 km deep · 98 km away
19. 1.625 km N of Skwentna, AlaskaFri, Dec 18, 6:08 AM AKST · 2115 days ago · 92 km deep · 88 km away
20. 1.525 km E of Skwentna, AlaskaFri, Dec 18, 5:41 AM AKST · 2115 days ago · 70 km deep · 62 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020gegot20. Read Sat, Oct 3, 2026, 11:36 AM UTC.