M2.7 earthquake 157 km WSW of Adak, Alaska

Magnitude

2.7 (ml), micro

Local time

Wed, Jan 20, 2021, 4:19 AM HAST

UTC

2021-01-20 14:19:35 UTC

Depth

17.3 km (10.7 mi), shallow

Epicenter

51.299° N, 178.718° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.7 km horizontally, 4.1 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

279°, poorly surrounded by stations

Stations used

33

After

1. 2.2152 km WSW of Adak, AlaskaWed, Jan 20, 11:41 AM HAST · 2073 days ago · 22 km deep · 20 km away
2. 2.1126 km WSW of Adak, AlaskaWed, Jan 20, 4:29 PM HAST · 2073 days ago · 7 km deep · 39 km away
3. 2.3188 km W of Adak, AlaskaWed, Jan 20, 4:44 PM HAST · 2073 days ago · 95 km deep · 93 km away
4. 1.6126 km WSW of Adak, AlaskaThu, Jan 21, 12:08 AM HAST · 2073 days ago · 7 km deep · 41 km away
5. 2.1194 km W of Adak, AlaskaThu, Jan 21, 1:25 AM HAST · 2073 days ago · 89 km deep · 64 km away
6. 1.9131 km W of Adak, AlaskaFri, Jan 22, 8:55 AM HAST · 2071 days ago · 94 km deep · 49 km away
7. 1.584 km SW of Adak, AlaskaFri, Jan 22, 2:26 PM HAST · 2071 days ago · 14 km deep · 79 km away
8. 2.1162 km W of Adak, AlaskaFri, Jan 22, 3:10 PM HAST · 2071 days ago · 92 km deep · 45 km away
9. 1.9137 km WSW of Adak, AlaskaFri, Jan 22, 6:31 PM HAST · 2071 days ago · 25 km deep · 21 km away
10. 1.7113 km WSW of Adak, AlaskaSat, Jan 23, 3:11 AM HAST · 2071 days ago · 13 km deep · 44 km away
11. 1.9135 km WSW of Adak, AlaskaSat, Jan 23, 12:33 PM HAST · 2070 days ago · 23 km deep · 27 km away
12. 2.7102 km SW of Adak, AlaskaSun, Jan 24, 7:17 AM HAST · 2069 days ago · 33 km deep · 61 km away
13. 2.0124 km WSW of Adak, AlaskaSun, Jan 24, 8:33 AM HAST · 2069 days ago · 14 km deep · 33 km away
14. 2.783 km W of Adak, AlaskaSun, Jan 24, 5:09 PM HAST · 2069 days ago · 108 km deep · 83 km away
15. 1.681 km W of Adak, AlaskaWed, Jan 27, 7:17 PM HAST · 2066 days ago · 8 km deep · 88 km away
16. 3.491 km SW of Adak, AlaskaWed, Jan 27, 9:15 PM HAST · 2066 days ago · 23 km deep · 84 km away
17. 2.1134 km WSW of Adak, AlaskaThu, Jan 28, 8:30 AM HAST · 2065 days ago · 20 km deep · 25 km away
18. 2.5Andreanof Islands, Aleutian Islands, AlaskaFri, Jan 29, 7:57 AM HAST · 2064 days ago · 41 km deep · 82 km away
19. 1.885 km WSW of Adak, AlaskaFri, Jan 29, 9:34 AM HAST · 2064 days ago · 72 km deep · 76 km away
20. 2.1131 km W of Adak, AlaskaFri, Jan 29, 1:42 PM HAST · 2064 days ago · 115 km deep · 54 km away
21. 2.7243 km WSW of Adak, AlaskaFri, Jan 29, 6:43 PM GMT-12 · 2064 days ago · 21 km deep · 86 km away
22. 1.971 km SW of Adak, AlaskaSat, Jan 30, 6:12 AM HAST · 2063 days ago · 43 km deep · 89 km away
23. 2.8138 km SW of Adak, AlaskaSat, Jan 30, 5:25 PM HAST · 2063 days ago · 35 km deep · 41 km away
24. 3.168 km WSW of Adak, AlaskaSun, Jan 31, 2:13 AM HAST · 2063 days ago · 68 km deep · 89 km away
25. 2.0118 km WSW of Adak, AlaskaMon, Feb 1, 1:12 AM HAST · 2062 days ago · 33 km deep · 42 km away
26. 1.874 km SW of Adak, AlaskaMon, Feb 1, 2:21 AM HAST · 2062 days ago · 50 km deep · 96 km away
27. 1.783 km SW of Adak, AlaskaMon, Feb 1, 4:52 AM HAST · 2062 days ago · 47 km deep · 78 km away
28. 1.685 km WSW of Adak, AlaskaMon, Feb 1, 6:50 AM HAST · 2061 days ago · 13 km deep · 73 km away
29. 2.8252 km WSW of Adak, AlaskaTue, Feb 2, 5:12 AM GMT+12 · 2061 days ago · 35 km deep · 95 km away
30. 1.675 km WSW of Adak, AlaskaMon, Feb 1, 9:06 AM HAST · 2061 days ago · 17 km deep · 83 km away
31. 1.979 km WSW of Adak, AlaskaMon, Feb 1, 11:04 AM HAST · 2061 days ago · 67 km deep · 79 km away
32. 1.9178 km WSW of Adak, AlaskaMon, Feb 1, 1:15 PM HAST · 2061 days ago · 1 km deep · 40 km away
33. 1.9130 km SW of Adak, AlaskaMon, Feb 1, 4:28 PM HAST · 2061 days ago · 45 km deep · 43 km away
34. 2.7121 km SW of Adak, AlaskaTue, Feb 2, 3:29 AM HAST · 2061 days ago · 30 km deep · 49 km away
35. 1.697 km SW of Adak, AlaskaTue, Feb 2, 7:07 PM HAST · 2060 days ago · 15 km deep · 73 km away
36. 1.9149 km WSW of Adak, AlaskaWed, Feb 3, 8:34 PM HAST · 2059 days ago · 10 km deep · 16 km away
37. 1.5Andreanof Islands, Aleutian Islands, AlaskaWed, Feb 3, 11:45 PM HAST · 2059 days ago · 7 km deep · 86 km away
38. 1.9120 km SW of Adak, AlaskaThu, Feb 4, 12:38 AM HAST · 2059 days ago · 26 km deep · 46 km away
39. 1.882 km WSW of Adak, AlaskaThu, Feb 4, 8:46 AM HAST · 2058 days ago · 13 km deep · 76 km away
40. 1.787 km WSW of Adak, AlaskaThu, Feb 4, 6:57 PM HAST · 2058 days ago · 44 km deep · 71 km away
41. 3.0103 km SW of Adak, AlaskaThu, Feb 4, 7:03 PM HAST · 2058 days ago · 30 km deep · 79 km away
42. 1.786 km WSW of Adak, AlaskaFri, Feb 5, 1:16 AM HAST · 2058 days ago · 48 km deep · 72 km away
43. 3.9112 km SW of Adak, AlaskaFri, Feb 5, 10:38 PM HAST · 2057 days ago · 42 km deep · 53 km away
44. 1.9110 km SW of Adak, AlaskaSun, Feb 7, 12:04 AM HAST · 2056 days ago · 45 km deep · 53 km away
45. 2.8154 km SW of Adak, AlaskaTue, Feb 9, 4:44 AM HAST · 2054 days ago · 31 km deep · 26 km away
46. 3.0242 km WSW of Adak, AlaskaThu, Feb 11, 12:41 PM GMT-12 · 2051 days ago · 13 km deep · 85 km away
47. 2.8150 km WSW of Adak, AlaskaThu, Feb 11, 11:41 PM HAST · 2051 days ago · 32 km deep · 25 km away
48. 1.581 km WSW of Adak, AlaskaFri, Feb 12, 2:24 AM HAST · 2051 days ago · 25 km deep · 77 km away
49. 4.8184 km WSW of Adak, AlaskaSun, Feb 14, 9:13 AM HAST · 2048 days ago · 23 km deep · 38 km away
50. 3.3Andreanof Islands, Aleutian Islands, AlaskaSun, Feb 14, 9:26 AM HAST · 2048 days ago · 35 km deep · 37 km away
51. 2.3134 km SW of Adak, AlaskaSun, Feb 14, 6:34 PM HAST · 2048 days ago · 28 km deep · 72 km away
52. 3.5173 km WSW of Adak, AlaskaSun, Feb 14, 11:37 PM HAST · 2048 days ago · 10 km deep · 37 km away
53. 3.9139 km WSW of Adak, AlaskaTue, Feb 16, 6:58 AM HAST · 2046 days ago · 35 km deep · 29 km away
54. 2.678 km SW of Adak, AlaskaTue, Feb 16, 9:00 AM HAST · 2046 days ago · 41 km deep · 84 km away
55. 2.0135 km WSW of Adak, AlaskaTue, Feb 16, 11:10 AM HAST · 2046 days ago · 24 km deep · 28 km away
56. 1.681 km W of Adak, AlaskaWed, Feb 17, 6:37 AM HAST · 2045 days ago · 4 km deep · 88 km away
57. 1.9126 km WSW of Adak, AlaskaWed, Feb 17, 6:54 AM HAST · 2045 days ago · 26 km deep · 34 km away
58. 2.5122 km WSW of Adak, AlaskaWed, Feb 17, 3:08 PM HAST · 2045 days ago · 75 km deep · 38 km away
59. 2.5193 km WSW of Adak, AlaskaWed, Feb 17, 8:35 PM HAST · 2045 days ago · 27 km deep · 37 km away
60. 3.8212 km WSW of Adak, AlaskaThu, Feb 18, 8:31 PM HAST · 2044 days ago · 31 km deep · 55 km away

The first 60 of 136.

Before

1. 1.9133 km WSW of Adak, AlaskaWed, Jan 20, 1:31 AM HAST · 2074 days ago · 26 km deep · 28 km away
2. 1.980 km SW of Adak, AlaskaWed, Jan 20, 12:45 AM HAST · 2074 days ago · 14 km deep · 83 km away
3. 3.558 km WSW of Adak, AlaskaTue, Jan 19, 3:09 PM HAST · 2074 days ago · 76 km deep · 99 km away
4. 1.8172 km W of Adak, AlaskaMon, Jan 18, 12:34 PM HAST · 2075 days ago · 11 km deep · 53 km away
5. 1.585 km WSW of Adak, AlaskaSun, Jan 10, 4:11 PM HAST · 2083 days ago · 16 km deep · 73 km away
6. 1.979 km SW of Adak, AlaskaSat, Jan 9, 4:05 PM HAST · 2084 days ago · 23 km deep · 83 km away
7. 2.2141 km WSW of Adak, AlaskaSat, Jan 9, 4:19 AM HAST · 2085 days ago · 22 km deep · 17 km away
8. 2.0231 km WSW of Adak, AlaskaThu, Jan 7, 11:32 PM HAST · 2086 days ago · 8 km deep · 73 km away
9. 2.8205 km WSW of Adak, AlaskaThu, Jan 7, 10:54 PM HAST · 2086 days ago · 35 km deep · 48 km away
10. 1.6123 km SW of Adak, AlaskaThu, Jan 7, 9:21 AM HAST · 2086 days ago · 13 km deep · 52 km away
11. 3.0134 km WSW of Adak, AlaskaThu, Jan 7, 3:43 AM HAST · 2087 days ago · 31 km deep · 29 km away
12. 3.6240 km WSW of Adak, AlaskaWed, Jan 6, 5:11 PM GMT-12 · 2087 days ago · 24 km deep · 85 km away
13. 1.5125 km WSW of Adak, AlaskaWed, Jan 6, 6:11 PM HAST · 2087 days ago · 13 km deep · 32 km away
14. 3.2250 km WSW of Adak, AlaskaWed, Jan 6, 2:28 PM GMT-12 · 2087 days ago · 35 km deep · 93 km away
15. 4.1193 km WSW of Adak, AlaskaWed, Jan 6, 8:29 AM HAST · 2087 days ago · 28 km deep · 36 km away
16. 1.692 km SW of Adak, AlaskaWed, Jan 6, 5:08 AM HAST · 2087 days ago · 25 km deep · 69 km away
17. 3.5210 km WSW of Adak, AlaskaWed, Jan 6, 1:36 AM HAST · 2088 days ago · 35 km deep · 53 km away
18. 2.6247 km WSW of Adak, AlaskaTue, Jan 5, 11:22 PM GMT-12 · 2088 days ago · 10 km deep · 90 km away
19. 2.6253 km WSW of Adak, AlaskaWed, Jan 6, 10:33 PM GMT+12 · 2088 days ago · 35 km deep · 95 km away
20. 1.9185 km WSW of Adak, AlaskaTue, Jan 5, 4:51 PM HAST · 2088 days ago · 12 km deep · 37 km away

From the USGS Earthquake Hazards Program and its partner networks, event us6000ddps (also filed as ak021xb75qo). Read Fri, Sep 25, 2026, 2:28 AM UTC.