M1.8 earthquake 112 km WSW of Adak, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Tue, Dec 15, 2020, 6:43 AM HAST

UTC

2020-12-15 16:43:26 UTC

Depth

13.2 km (8.2 mi), shallow

Epicenter

51.495° N, 178.141° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

20

After

1. 2.593 km SSW of Adak, AlaskaTue, Dec 15, 8:38 AM HAST · 2116 days ago · 42 km deep · 66 km away
2. 3.849 km SSW of Adak, AlaskaWed, Dec 16, 6:40 AM HAST · 2115 days ago · 42 km deep · 95 km away
3. 5.0124 km SW of Adak, AlaskaWed, Dec 16, 9:13 AM HAST · 2114 days ago · 42 km deep · 27 km away · felt by 1
4. 3.2136 km SW of Adak, AlaskaWed, Dec 16, 9:22 AM HAST · 2114 days ago · 35 km deep · 39 km away
5. 2.0133 km SW of Adak, AlaskaWed, Dec 16, 10:13 AM HAST · 2114 days ago · 26 km deep · 36 km away
6. 1.640 km SW of Adak, AlaskaThu, Dec 17, 8:18 PM HAST · 2113 days ago · 48 km deep · 74 km away
7. 1.979 km SW of Adak, AlaskaFri, Dec 18, 4:43 AM HAST · 2113 days ago · 31 km deep · 39 km away
8. 1.5126 km WSW of Adak, AlaskaFri, Dec 18, 11:08 PM HAST · 2112 days ago · 25 km deep · 15 km away
9. 1.9131 km WSW of Adak, AlaskaSat, Dec 19, 2:13 PM HAST · 2111 days ago · 23 km deep · 27 km away
10. 1.9111 km SW of Adak, AlaskaSat, Dec 19, 6:54 PM HAST · 2111 days ago · 26 km deep · 38 km away
11. 1.8104 km SW of Adak, AlaskaSat, Dec 19, 9:07 PM HAST · 2111 days ago · 44 km deep · 34 km away
12. 1.8109 km SW of Adak, AlaskaSat, Dec 19, 9:08 PM HAST · 2111 days ago · 48 km deep · 35 km away
13. 1.7156 km WSW of Adak, AlaskaSun, Dec 20, 7:42 PM HAST · 2110 days ago · 14 km deep · 46 km away
14. 1.782 km W of Adak, AlaskaSun, Dec 20, 10:53 PM HAST · 2110 days ago · 7 km deep · 47 km away
15. 1.667 km WSW of Adak, AlaskaSun, Dec 20, 11:37 PM HAST · 2110 days ago · 40 km deep · 48 km away
16. 1.9152 km WSW of Adak, AlaskaMon, Dec 21, 4:37 AM HAST · 2110 days ago · 11 km deep · 43 km away
17. 2.7112 km W of Adak, AlaskaMon, Dec 21, 11:05 AM HAST · 2109 days ago · 107 km deep · 32 km away
18. 2.184 km W of Adak, AlaskaMon, Dec 21, 3:05 PM HAST · 2109 days ago · 94 km deep · 39 km away
19. 2.2148 km WSW of Adak, AlaskaWed, Dec 23, 1:14 AM HAST · 2108 days ago · 58 km deep · 37 km away
20. 2.6139 km WSW of Adak, AlaskaWed, Dec 23, 2:49 AM HAST · 2108 days ago · 35 km deep · 35 km away
21. 2.0101 km WSW of Adak, AlaskaWed, Dec 23, 4:44 AM HAST · 2108 days ago · 64 km deep · 12 km away
22. 3.0183 km WSW of Adak, AlaskaThu, Dec 24, 5:26 AM HAST · 2107 days ago · 35 km deep · 72 km away
23. 1.896 km SW of Adak, AlaskaThu, Dec 24, 6:09 AM HAST · 2107 days ago · 45 km deep · 35 km away
24. 1.969 km SSW of Adak, AlaskaThu, Dec 24, 7:43 AM HAST · 2107 days ago · 44 km deep · 74 km away
25. 1.961 km SSW of Adak, AlaskaThu, Dec 24, 11:08 AM HAST · 2106 days ago · 43 km deep · 76 km away
26. 3.9191 km WSW of Adak, AlaskaFri, Dec 25, 2:25 AM HAST · 2106 days ago · 83 km deep · 80 km away
27. 1.9129 km WSW of Adak, AlaskaFri, Dec 25, 9:20 AM HAST · 2105 days ago · 26 km deep · 25 km away
28. 1.8115 km WSW of Adak, AlaskaFri, Dec 25, 3:37 PM HAST · 2105 days ago · 29 km deep · 9 km away
29. 2.090 km W of Adak, AlaskaSat, Dec 26, 2:25 AM HAST · 2105 days ago · 11 km deep · 42 km away
30. 1.688 km W of Adak, AlaskaSat, Dec 26, 3:40 AM HAST · 2105 days ago · 7 km deep · 44 km away
31. 1.975 km SW of Adak, AlaskaSat, Dec 26, 4:32 AM HAST · 2105 days ago · 33 km deep · 51 km away
32. 2.088 km W of Adak, AlaskaSat, Dec 26, 4:30 PM HAST · 2104 days ago · 7 km deep · 43 km away
33. 1.688 km W of Adak, AlaskaSat, Dec 26, 5:12 PM HAST · 2104 days ago · 7 km deep · 44 km away
34. 1.782 km W of Adak, AlaskaSat, Dec 26, 11:12 PM HAST · 2104 days ago · 8 km deep · 46 km away
35. 2.2131 km SW of Adak, AlaskaSun, Dec 27, 5:03 PM HAST · 2103 days ago · 26 km deep · 38 km away
36. 1.9127 km SW of Adak, AlaskaMon, Dec 28, 1:27 AM HAST · 2103 days ago · 22 km deep · 35 km away
37. 2.1129 km WSW of Adak, AlaskaMon, Dec 28, 4:27 AM HAST · 2103 days ago · 26 km deep · 26 km away
38. 1.681 km W of Adak, AlaskaMon, Dec 28, 3:51 PM HAST · 2102 days ago · 7 km deep · 46 km away
39. 3.2127 km WSW of Adak, AlaskaMon, Dec 28, 6:33 PM HAST · 2102 days ago · 10 km deep · 16 km away
40. 2.1111 km WSW of Adak, AlaskaTue, Dec 29, 1:15 PM HAST · 2101 days ago · 69 km deep · 13 km away
41. 2.555 km SSW of Adak, AlaskaTue, Dec 29, 6:29 PM HAST · 2101 days ago · 35 km deep · 87 km away
42. 2.7120 km WSW of Adak, AlaskaWed, Dec 30, 2:57 AM HAST · 2101 days ago · 21 km deep · 19 km away
43. 1.8183 km WSW of Adak, AlaskaWed, Dec 30, 5:14 PM HAST · 2100 days ago · 15 km deep · 72 km away
44. 1.6115 km WSW of Adak, AlaskaWed, Dec 30, 5:16 PM HAST · 2100 days ago · 29 km deep · 13 km away
45. 4.1204 km WSW of Adak, AlaskaFri, Jan 1, 1:55 AM HAST · 2099 days ago · 35 km deep · 94 km away
46. 3.0Andreanof Islands, Aleutian Islands, AlaskaMon, Jan 4, 1:03 AM HAST · 2096 days ago · 50 km deep · 98 km away
47. 2.1176 km WSW of Adak, AlaskaMon, Jan 4, 5:25 AM HAST · 2096 days ago · 76 km deep · 68 km away
48. 2.184 km WSW of Adak, AlaskaMon, Jan 4, 10:36 AM HAST · 2095 days ago · 44 km deep · 33 km away
49. 1.762 km SW of Adak, AlaskaMon, Jan 4, 11:43 PM HAST · 2095 days ago · 26 km deep · 66 km away
50. 3.6120 km SW of Adak, AlaskaTue, Jan 5, 2:27 PM HAST · 2094 days ago · 35 km deep · 49 km away
51. 1.8117 km SW of Adak, AlaskaTue, Jan 5, 2:31 PM HAST · 2094 days ago · 26 km deep · 43 km away
52. 1.9185 km WSW of Adak, AlaskaTue, Jan 5, 4:51 PM HAST · 2094 days ago · 12 km deep · 75 km away
53. 1.866 km SSW of Adak, AlaskaTue, Jan 5, 6:54 PM HAST · 2094 days ago · 46 km deep · 70 km away
54. 3.5210 km WSW of Adak, AlaskaWed, Jan 6, 1:36 AM HAST · 2094 days ago · 35 km deep · 98 km away
55. 1.692 km SW of Adak, AlaskaWed, Jan 6, 5:08 AM HAST · 2094 days ago · 25 km deep · 30 km away
56. 4.1193 km WSW of Adak, AlaskaWed, Jan 6, 8:29 AM HAST · 2094 days ago · 28 km deep · 81 km away
57. 1.5125 km WSW of Adak, AlaskaWed, Jan 6, 6:11 PM HAST · 2093 days ago · 13 km deep · 14 km away
58. 3.0134 km WSW of Adak, AlaskaThu, Jan 7, 3:43 AM HAST · 2093 days ago · 31 km deep · 29 km away
59. 1.6123 km SW of Adak, AlaskaThu, Jan 7, 9:21 AM HAST · 2092 days ago · 13 km deep · 38 km away
60. 2.8205 km WSW of Adak, AlaskaThu, Jan 7, 10:54 PM HAST · 2092 days ago · 35 km deep · 93 km away

The first 60 of 134.

Before

1. 2.7192 km WSW of Adak, AlaskaMon, Dec 14, 8:16 PM HAST · 2116 days ago · 28 km deep · 80 km away
2. 2.882 km W of Adak, AlaskaMon, Dec 14, 4:41 PM HAST · 2116 days ago · 10 km deep · 43 km away
3. 1.857 km WSW of Adak, AlaskaMon, Dec 14, 2:48 PM HAST · 2116 days ago · 12 km deep · 56 km away
4. 1.566 km WSW of Adak, AlaskaMon, Dec 14, 11:25 AM HAST · 2116 days ago · 72 km deep · 47 km away
5. 1.584 km SW of Adak, AlaskaMon, Dec 14, 7:32 AM HAST · 2117 days ago · 26 km deep · 37 km away
6. 1.9132 km WSW of Adak, AlaskaMon, Dec 14, 3:16 AM HAST · 2117 days ago · 73 km deep · 20 km away
7. 1.680 km W of Adak, AlaskaSun, Dec 13, 7:40 PM HAST · 2117 days ago · 2 km deep · 47 km away
8. 1.993 km WSW of Adak, AlaskaSun, Dec 13, 2:16 AM HAST · 2118 days ago · 43 km deep · 21 km away
9. 1.6136 km W of Adak, AlaskaSun, Dec 13, 1:59 AM HAST · 2118 days ago · 8 km deep · 35 km away
10. 2.9191 km WSW of Adak, AlaskaSat, Dec 12, 10:33 PM HAST · 2118 days ago · 30 km deep · 80 km away
11. 1.9155 km WSW of Adak, AlaskaFri, Dec 11, 7:36 PM HAST · 2119 days ago · 22 km deep · 48 km away
12. 3.076 km SSW of Adak, AlaskaFri, Dec 11, 5:51 PM HAST · 2119 days ago · 35 km deep · 71 km away
13. 2.3180 km WSW of Adak, AlaskaFri, Dec 11, 11:32 AM HAST · 2119 days ago · 74 km deep · 73 km away
14. 1.742 km SW of Adak, AlaskaFri, Dec 11, 5:58 AM HAST · 2120 days ago · 51 km deep · 76 km away
15. 1.5Andreanof Islands, Aleutian Islands, AlaskaThu, Dec 10, 10:28 PM HAST · 2120 days ago · 7 km deep · 57 km away
16. 1.8102 km WSW of Adak, AlaskaThu, Dec 10, 9:18 AM HAST · 2120 days ago · 22 km deep · 14 km away
17. 2.774 km SW of Adak, AlaskaWed, Dec 9, 7:02 PM HAST · 2121 days ago · 53 km deep · 43 km away
18. 3.5187 km W of Adak, AlaskaWed, Dec 9, 12:41 AM HAST · 2122 days ago · 44 km deep · 87 km away
19. 1.9200 km WSW of Adak, AlaskaTue, Dec 8, 12:48 AM HAST · 2123 days ago · 22 km deep · 88 km away
20. 1.7107 km SW of Adak, AlaskaMon, Dec 7, 11:08 PM HAST · 2123 days ago · 40 km deep · 39 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020g33vobs. Read Thu, Oct 1, 2026, 6:41 AM UTC.