M2.1 earthquake 38 km ENE of Adak, Alaska

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Wed, Dec 16, 2020, 12:56 PM HAST

UTC

2020-12-16 22:56:12 UTC

Depth

139.5 km (86.7 mi), intermediate-depth

Epicenter

51.987° N, 176.099° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

19

After

1. 1.717 km SE of Adak, AlaskaWed, Dec 16, 1:20 PM HAST · 2115 days ago · 71 km deep · 35 km away
2. 4.647 km WSW of Atka, AlaskaThu, Dec 17, 6:32 AM HAST · 2114 days ago · 81 km deep · 88 km away · felt by 1
3. 1.640 km SW of Adak, AlaskaThu, Dec 17, 8:18 PM HAST · 2113 days ago · 48 km deep · 79 km away
4. 2.666 km E of Adak, AlaskaFri, Dec 18, 2:06 AM HAST · 2113 days ago · 86 km deep · 28 km away
5. 2.547 km SE of Adak, AlaskaFri, Dec 18, 7:18 AM HAST · 2113 days ago · 35 km deep · 53 km away
6. 2.563 km ENE of Adak, AlaskaSat, Dec 19, 10:37 AM HAST · 2112 days ago · 217 km deep · 25 km away
7. 3.074 km SSE of Adak, AlaskaTue, Dec 22, 6:23 AM HAST · 2109 days ago · 25 km deep · 77 km away
8. 1.961 km SSW of Adak, AlaskaThu, Dec 24, 11:08 AM HAST · 2107 days ago · 43 km deep · 94 km away
9. 3.888 km SW of Atka, AlaskaFri, Dec 25, 2:45 AM HAST · 2106 days ago · 45 km deep · 66 km away
10. 2.094 km ESE of Adak, AlaskaFri, Dec 25, 4:28 AM HAST · 2106 days ago · 26 km deep · 68 km away
11. 2.181 km SW of Atka, AlaskaSat, Dec 26, 1:44 PM HAST · 2105 days ago · 26 km deep · 88 km away
12. 1.547 km SSE of Adak, AlaskaSat, Dec 26, 4:52 PM HAST · 2104 days ago · 18 km deep · 56 km away
13. 2.777 km ESE of Adak, AlaskaSun, Dec 27, 3:50 PM HAST · 2103 days ago · 33 km deep · 58 km away
14. 3.6101 km ESE of Adak, AlaskaMon, Dec 28, 8:13 AM HAST · 2103 days ago · 35 km deep · 76 km away
15. 2.173 km WSW of Atka, AlaskaTue, Dec 29, 4:44 PM HAST · 2101 days ago · 88 km deep · 60 km away
16. 2.555 km SSW of Adak, AlaskaTue, Dec 29, 6:29 PM HAST · 2101 days ago · 35 km deep · 85 km away
17. 1.975 km E of Adak, AlaskaTue, Dec 29, 10:27 PM HAST · 2101 days ago · 60 km deep · 45 km away
18. 1.639 km SSE of Adak, AlaskaWed, Dec 30, 1:31 PM HAST · 2101 days ago · 34 km deep · 51 km away
19. 1.678 km SE of Adak, AlaskaWed, Dec 30, 5:30 PM HAST · 2100 days ago · 26 km deep · 65 km away
20. 2.9Andreanof Islands, Aleutian Islands, AlaskaThu, Dec 31, 11:59 AM HAST · 2100 days ago · 11 km deep · 66 km away
21. 1.666 km SSE of Adak, AlaskaSun, Jan 3, 9:02 PM HAST · 2096 days ago · 15 km deep · 70 km away
22. 3.0Andreanof Islands, Aleutian Islands, AlaskaMon, Jan 4, 1:03 AM HAST · 2096 days ago · 50 km deep · 66 km away
23. 2.057 km NE of Adak, AlaskaMon, Jan 4, 5:53 AM HAST · 2096 days ago · 116 km deep · 23 km away
24. 1.746 km SW of Atka, AlaskaMon, Jan 4, 2:58 PM HAST · 2095 days ago · 60 km deep · 94 km away
25. 1.676 km SE of Adak, AlaskaMon, Jan 4, 4:42 PM HAST · 2095 days ago · 23 km deep · 66 km away
26. 1.639 km SSE of Adak, AlaskaMon, Jan 4, 10:40 PM HAST · 2095 days ago · 33 km deep · 53 km away
27. 1.762 km SW of Adak, AlaskaMon, Jan 4, 11:43 PM HAST · 2095 days ago · 26 km deep · 97 km away
28. 1.845 km S of Adak, AlaskaTue, Jan 5, 2:27 AM HAST · 2095 days ago · 46 km deep · 65 km away
29. 2.013 km ESE of Adak, AlaskaTue, Jan 5, 3:33 PM HAST · 2094 days ago · 72 km deep · 29 km away
30. 1.866 km SSW of Adak, AlaskaTue, Jan 5, 6:54 PM HAST · 2094 days ago · 46 km deep · 100 km away
31. 3.195 km SW of Atka, AlaskaWed, Jan 6, 11:56 AM HAST · 2094 days ago · 30 km deep · 71 km away
32. 1.663 km SSE of Adak, AlaskaWed, Jan 6, 6:07 PM HAST · 2093 days ago · 24 km deep · 68 km away
33. 1.969 km ESE of Adak, AlaskaWed, Jan 6, 9:36 PM HAST · 2093 days ago · 44 km deep · 46 km away
34. 1.622 km SSE of Adak, AlaskaFri, Jan 8, 3:12 AM HAST · 2092 days ago · 69 km deep · 45 km away
35. 3.469 km SE of Adak, AlaskaFri, Jan 8, 10:29 AM HAST · 2092 days ago · 32 km deep · 58 km away
36. 1.939 km SSE of Adak, AlaskaFri, Jan 8, 1:52 PM HAST · 2092 days ago · 36 km deep · 51 km away
37. 2.857 km SE of Adak, AlaskaFri, Jan 8, 3:34 PM HAST · 2091 days ago · 35 km deep · 60 km away
38. 1.967 km SSW of Adak, AlaskaFri, Jan 8, 9:34 PM HAST · 2091 days ago · 27 km deep · 98 km away
39. 2.936 km S of Adak, AlaskaSat, Jan 9, 4:26 AM HAST · 2091 days ago · 35 km deep · 63 km away
40. 1.970 km SSW of Adak, AlaskaSat, Jan 9, 5:57 AM HAST · 2091 days ago · 23 km deep · 99 km away
41. 3.890 km SW of Atka, AlaskaSat, Jan 9, 10:27 AM HAST · 2091 days ago · 35 km deep · 83 km away
42. 1.733 km S of Adak, AlaskaSat, Jan 9, 3:36 PM HAST · 2090 days ago · 45 km deep · 61 km away
43. 1.860 km SE of Adak, AlaskaSun, Jan 10, 4:33 PM HAST · 2089 days ago · 10 km deep · 62 km away
44. 1.556 km SSE of Adak, AlaskaSun, Jan 10, 4:55 PM HAST · 2089 days ago · 25 km deep · 60 km away
45. 1.658 km SSE of Adak, AlaskaSun, Jan 10, 5:03 PM HAST · 2089 days ago · 25 km deep · 62 km away
46. 2.930 km SSW of Adak, AlaskaSun, Jan 10, 9:39 PM HAST · 2089 days ago · 38 km deep · 63 km away
47. 2.7100 km ESE of Adak, AlaskaMon, Jan 11, 2:18 AM HAST · 2089 days ago · 35 km deep · 75 km away
48. 2.283 km ESE of Adak, AlaskaMon, Jan 11, 12:44 PM HAST · 2089 days ago · 48 km deep · 63 km away
49. 4.050 km W of Atka, AlaskaWed, Jan 13, 6:30 PM HAST · 2086 days ago · 90 km deep · 82 km away
50. 2.491 km SW of Atka, AlaskaFri, Jan 15, 3:51 PM HAST · 2084 days ago · 16 km deep · 78 km away
51. 2.463 km SW of Atka, AlaskaFri, Jan 15, 9:29 PM HAST · 2084 days ago · 2 km deep · 94 km away
52. 3.776 km NNW of Adak, AlaskaMon, Jan 18, 1:20 AM HAST · 2082 days ago · 232 km deep · 90 km away
53. 1.760 km ESE of Adak, AlaskaMon, Jan 18, 6:39 AM HAST · 2082 days ago · 55 km deep · 34 km away
54. 2.348 km ENE of Adak, AlaskaMon, Jan 18, 9:35 PM HAST · 2081 days ago · 129 km deep · 10 km away
55. 3.558 km WSW of Adak, AlaskaTue, Jan 19, 3:09 PM HAST · 2080 days ago · 76 km deep · 97 km away
56. 1.963 km E of Adak, AlaskaWed, Jan 20, 5:01 AM HAST · 2080 days ago · 21 km deep · 35 km away
57. 1.633 km SSW of Adak, AlaskaThu, Jan 21, 12:10 AM HAST · 2079 days ago · 36 km deep · 64 km away
58. 1.968 km SSE of Adak, AlaskaThu, Jan 21, 2:16 PM HAST · 2078 days ago · 22 km deep · 81 km away
59. 1.539 km S of Adak, AlaskaThu, Jan 21, 11:39 PM HAST · 2078 days ago · 39 km deep · 65 km away
60. 1.755 km SSW of Adak, AlaskaFri, Jan 22, 12:32 AM HAST · 2078 days ago · 22 km deep · 83 km away

The first 60 of 112.

Before

1. 3.849 km SSW of Adak, AlaskaWed, Dec 16, 6:40 AM HAST · 2115 days ago · 42 km deep · 77 km away
2. 3.268 km SE of Adak, AlaskaWed, Dec 16, 4:11 AM HAST · 2115 days ago · 35 km deep · 61 km away
3. 2.067 km SE of Adak, AlaskaTue, Dec 15, 8:03 AM HAST · 2116 days ago · 23 km deep · 63 km away
4. 1.857 km WSW of Adak, AlaskaMon, Dec 14, 2:48 PM HAST · 2116 days ago · 12 km deep · 96 km away
5. 2.153 km E of Adak, AlaskaMon, Dec 14, 1:07 PM HAST · 2117 days ago · 153 km deep · 16 km away
6. 1.784 km SW of Atka, AlaskaMon, Dec 14, 7:33 AM HAST · 2117 days ago · 27 km deep · 70 km away
7. 1.821 km NE of Adak, AlaskaMon, Dec 14, 3:23 AM HAST · 2117 days ago · 97 km deep · 23 km away
8. 2.737 km SSE of Adak, AlaskaSat, Dec 12, 3:16 PM HAST · 2118 days ago · 48 km deep · 51 km away
9. 1.755 km S of Adak, AlaskaFri, Dec 11, 9:34 AM HAST · 2120 days ago · 23 km deep · 77 km away
10. 1.742 km SW of Adak, AlaskaFri, Dec 11, 5:58 AM HAST · 2120 days ago · 51 km deep · 79 km away
11. 2.164 km ESE of Adak, AlaskaFri, Dec 11, 4:34 AM HAST · 2120 days ago · 26 km deep · 49 km away
12. 1.5Andreanof Islands, Aleutian Islands, AlaskaThu, Dec 10, 10:28 PM HAST · 2120 days ago · 7 km deep · 98 km away
13. 3.948 km S of Adak, AlaskaThu, Dec 10, 12:15 PM HAST · 2121 days ago · 35 km deep · 68 km away
14. 2.149 km SSE of Adak, AlaskaWed, Dec 9, 11:45 AM HAST · 2122 days ago · 26 km deep · 60 km away
15. 2.013 km SE of Adak, AlaskaTue, Dec 8, 10:43 PM HAST · 2122 days ago · 87 km deep · 33 km away
16. 1.782 km SSE of Adak, AlaskaTue, Dec 8, 5:46 PM HAST · 2122 days ago · 25 km deep · 89 km away
17. 1.774 km ESE of Adak, AlaskaMon, Dec 7, 1:55 PM HAST · 2124 days ago · 22 km deep · 52 km away
18. 1.541 km SSE of Adak, AlaskaSun, Dec 6, 10:00 PM HAST · 2124 days ago · 32 km deep · 53 km away
19. 2.846 km SSE of Adak, AlaskaSun, Dec 6, 1:40 AM HAST · 2125 days ago · 32 km deep · 54 km away
20. 3.361 km ENE of Adak, AlaskaSat, Dec 5, 8:37 PM HAST · 2125 days ago · 165 km deep · 23 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020g4v2dp3. Read Thu, Oct 1, 2026, 11:30 AM UTC.