M1.9 earthquake 51 km ESE of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Tue, Oct 27, 2020, 8:28 PM HADT

UTC

2020-10-28 05:28:53 UTC

Depth

59.3 km (36.8 mi), shallow

Epicenter

51.740° N, 175.922° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

24

After

1. 2.961 km SSW of Adak, AlaskaWed, Oct 28, 12:10 AM HADT · 2165 days ago · 35 km deep · 88 km away
2. 3.569 km ESE of Adak, AlaskaWed, Oct 28, 1:58 AM HADT · 2165 days ago · 35 km deep · 21 km away
3. 3.551 km SSW of Adak, AlaskaWed, Oct 28, 2:33 AM HADT · 2165 days ago · 35 km deep · 70 km away
4. 2.285.5 km W of Adak, AKSat, Oct 31, 7:52 AM HADT · 2161 days ago · 65 km deep · 38 km away
5. 4.258 km SSE of Adak, AlaskaSat, Oct 31, 9:04 AM HADT · 2161 days ago · 44 km deep · 42 km away
6. 1.654.0 km NNW of Adak, AKSat, Oct 31, 2:36 PM HADT · 2161 days ago · 46 km deep · 43 km away
7. 2.817 km SE of Adak, AlaskaSat, Oct 31, 3:25 PM HADT · 2161 days ago · 74 km deep · 37 km away
8. 1.791 km ESE of Adak, AlaskaSat, Oct 31, 4:33 PM HADT · 2161 days ago · 40 km deep · 40 km away
9. 2.867 km SSW of Adak, AlaskaSat, Oct 31, 8:35 PM HADT · 2161 days ago · 35 km deep · 88 km away
10. 3.245 km ENE of Adak, AlaskaMon, Nov 2, 7:37 AM HAST · 2159 days ago · 133 km deep · 28 km away
11. 2.043 km W of Atka, AlaskaTue, Nov 3, 1:28 AM HAST · 2159 days ago · 95 km deep · 88 km away
12. 2.0Andreanof Islands, Aleutian Islands, AlaskaTue, Nov 3, 5:54 AM HAST · 2158 days ago · 46 km deep · 52 km away
13. 1.751 km S of Adak, AlaskaTue, Nov 3, 6:22 AM HAST · 2158 days ago · 33 km deep · 56 km away
14. 1.589 km ESE of Adak, AlaskaTue, Nov 3, 11:57 AM HAST · 2158 days ago · 40 km deep · 43 km away
15. 3.945 km SSW of Adak, AlaskaTue, Nov 3, 9:49 PM HAST · 2158 days ago · 45 km deep · 68 km away · felt by 1
16. 1.660.7 km NE of Atka, AKTue, Nov 3, 9:55 PM HAST · 2158 days ago · 47 km deep · 72 km away
17. 4.339 km SSW of Adak, AlaskaTue, Nov 3, 11:35 PM HAST · 2158 days ago · 33 km deep · 66 km away · felt by 1
18. 2.853 km S of Adak, AlaskaTue, Nov 3, 11:58 PM HAST · 2158 days ago · 24 km deep · 70 km away
19. 1.877.5 km WNW of Adak, AKWed, Nov 4, 3:34 AM HAST · 2157 days ago · 25 km deep · 27 km away
20. 1.738.3 km NNE of Adak, AKWed, Nov 4, 4:59 AM HAST · 2157 days ago · 32 km deep · 64 km away
21. 2.838 km WSW of Adak, AlaskaThu, Nov 5, 5:29 PM HAST · 2156 days ago · 81 km deep · 82 km away
22. 2.164 km S of Adak, AlaskaThu, Nov 5, 7:28 PM HAST · 2156 days ago · 26 km deep · 64 km away
23. 1.880 km SSE of Adak, AlaskaThu, Nov 5, 9:32 PM HAST · 2156 days ago · 25 km deep · 70 km away
24. 3.963 km ESE of Adak, AlaskaFri, Nov 6, 6:03 AM HAST · 2155 days ago · 65 km deep · 12 km away
25. 1.936 km S of Adak, AlaskaFri, Nov 6, 12:51 PM HAST · 2155 days ago · 37 km deep · 59 km away
26. 1.865 km SE of Adak, AlaskaSat, Nov 7, 8:33 AM HAST · 2154 days ago · 26 km deep · 37 km away
27. 1.543 km ENE of Adak, AlaskaSat, Nov 7, 8:32 PM HAST · 2154 days ago · 8 km deep · 34 km away
28. 2.365 km SE of Adak, AlaskaTue, Nov 10, 8:28 PM HAST · 2151 days ago · 25 km deep · 28 km away
29. 1.946 km E of Adak, AlaskaWed, Nov 11, 3:48 PM HAST · 2150 days ago · 72 km deep · 8 km away
30. 2.943 km WSW of Atka, AlaskaWed, Nov 11, 4:40 PM HAST · 2150 days ago · 247 km deep · 85 km away
31. 1.757 km SSW of Adak, AlaskaWed, Nov 11, 7:59 PM HAST · 2150 days ago · 46 km deep · 87 km away
32. 1.855 km SSE of Adak, AlaskaFri, Nov 13, 4:41 AM HAST · 2148 days ago · 27 km deep · 49 km away
33. 1.959 km SE of Adak, AlaskaFri, Nov 13, 5:37 AM HAST · 2148 days ago · 25 km deep · 33 km away
34. 1.741 km S of Adak, AlaskaFri, Nov 13, 10:06 AM HAST · 2148 days ago · 34 km deep · 53 km away
35. 2.544 km ESE of Adak, AlaskaFri, Nov 13, 1:55 PM HAST · 2148 days ago · 68 km deep · 7 km away
36. 2.863 km SE of Adak, AlaskaSat, Nov 14, 6:21 AM HAST · 2147 days ago · 35 km deep · 38 km away
37. 1.960 km S of Adak, AlaskaSat, Nov 14, 11:07 AM HAST · 2147 days ago · 43 km deep · 59 km away
38. 2.963 km SE of Adak, AlaskaSat, Nov 14, 10:04 PM HAST · 2147 days ago · 35 km deep · 31 km away
39. 1.657 km SSE of Adak, AlaskaSun, Nov 15, 1:59 AM HAST · 2146 days ago · 26 km deep · 42 km away
40. 3.669 km SSW of Atka, AlaskaSun, Nov 15, 6:44 AM HAST · 2146 days ago · 25 km deep · 90 km away
41. 3.1104 km S of Adak, AlaskaMon, Nov 16, 12:58 AM HAST · 2146 days ago · 24 km deep · 93 km away
42. 3.668 km ENE of Adak, AlaskaWed, Nov 18, 11:20 AM HAST · 2143 days ago · 156 km deep · 46 km away
43. 1.974 km SW of Atka, AlaskaThu, Nov 19, 2:17 PM HAST · 2142 days ago · 22 km deep · 63 km away
44. 1.754 km SSW of Adak, AlaskaFri, Nov 20, 6:11 AM HAST · 2141 days ago · 28 km deep · 77 km away
45. 1.745 km SSW of Adak, AlaskaFri, Nov 20, 2:07 PM HAST · 2141 days ago · 61 km deep · 65 km away
46. 1.667 km WSW of Atka, AlaskaSat, Nov 21, 3:30 PM HAST · 2140 days ago · 69 km deep · 61 km away
47. 2.346 km N of Adak, AlaskaSat, Nov 21, 11:40 PM HAST · 2140 days ago · 213 km deep · 74 km away
48. 2.129 km WSW of Adak, AlaskaSun, Nov 22, 12:03 AM HAST · 2140 days ago · 74 km deep · 75 km away
49. 1.851 km SW of Adak, AlaskaSun, Nov 22, 8:36 AM HAST · 2139 days ago · 32 km deep · 85 km away
50. 2.056 km SSW of Atka, AlaskaMon, Nov 23, 5:18 AM HAST · 2138 days ago · 23 km deep · 89 km away
51. 2.832 km ENE of Adak, AlaskaTue, Nov 24, 3:52 AM HAST · 2137 days ago · 137 km deep · 29 km away
52. 3.4114 km SE of Adak, AlaskaTue, Nov 24, 5:20 AM HAST · 2137 days ago · 17 km deep · 80 km away
53. 2.563 km WSW of Atka, AlaskaTue, Nov 24, 10:52 PM HAST · 2137 days ago · 57 km deep · 66 km away
54. 2.954 km NE of Adak, AlaskaWed, Nov 25, 12:32 AM HAST · 2137 days ago · 158 km deep · 51 km away
55. 1.978 km ESE of Adak, AlaskaWed, Nov 25, 5:13 AM HAST · 2136 days ago · 28 km deep · 28 km away
56. 2.062 km SE of Adak, AlaskaThu, Nov 26, 1:38 AM HAST · 2135 days ago · 26 km deep · 30 km away
57. 4.045 km SSE of Adak, AlaskaThu, Nov 26, 12:00 PM HAST · 2135 days ago · 43 km deep · 46 km away
58. 1.868 km SSW of Adak, AlaskaThu, Nov 26, 4:30 PM HAST · 2135 days ago · 26 km deep · 92 km away
59. 2.941 km SW of Adak, AlaskaThu, Nov 26, 7:01 PM HAST · 2135 days ago · 60 km deep · 77 km away
60. 3.632 km SE of Adak, AlaskaSat, Nov 28, 12:56 PM HAST · 2133 days ago · 59 km deep · 31 km away

The first 60 of 121.

Before

1. 1.6104 km SSW of Atka, AlaskaTue, Oct 27, 11:54 AM HADT · 2165 days ago · 5 km deep · 77 km away
2. 1.978 km E of Adak, AlaskaTue, Oct 27, 11:28 AM HADT · 2165 days ago · 68 km deep · 32 km away
3. 2.373 km W of Atka, AlaskaMon, Oct 26, 2:24 PM HADT · 2166 days ago · 239 km deep · 64 km away
4. 1.557 km SSE of Adak, AlaskaMon, Oct 26, 4:39 AM HADT · 2166 days ago · 26 km deep · 41 km away
5. 1.755 km SSE of Adak, AlaskaMon, Oct 26, 1:44 AM HADT · 2167 days ago · 23 km deep · 49 km away
6. 2.079 km E of Adak, AlaskaSun, Oct 25, 8:24 PM HADT · 2167 days ago · 101 km deep · 37 km away
7. 1.967 km ESE of Adak, AlaskaSat, Oct 24, 11:52 AM HADT · 2168 days ago · 31 km deep · 22 km away
8. 1.843 km ENE of Adak, AlaskaSat, Oct 24, 7:44 AM HADT · 2168 days ago · 8 km deep · 34 km away
9. 2.674 km SSE of Adak, AlaskaFri, Oct 23, 3:54 PM HADT · 2169 days ago · 35 km deep · 55 km away
10. 1.861 km ESE of Adak, AlaskaFri, Oct 23, 10:32 AM HADT · 2169 days ago · 39 km deep · 17 km away
11. 3.157 km SE of Adak, AlaskaMon, Oct 19, 2:38 AM HADT · 2174 days ago · 42 km deep · 36 km away
12. 1.659 km SSE of Adak, AlaskaMon, Oct 19, 12:20 AM HADT · 2174 days ago · 24 km deep · 43 km away
13. 2.567 km SSE of Adak, AlaskaMon, Oct 19, 12:14 AM HADT · 2174 days ago · 33 km deep · 48 km away
14. 3.175 km ENE of Adak, AlaskaSat, Oct 17, 1:39 AM HADT · 2176 days ago · 158 km deep · 47 km away
15. 2.551 km S of Adak, AlaskaSat, Oct 17, 12:13 AM HADT · 2176 days ago · 35 km deep · 69 km away
16. 1.986 km ENE of Adak, AlaskaSat, Oct 17, 12:03 AM HADT · 2176 days ago · 113 km deep · 57 km away
17. 2.968 km SE of Adak, AlaskaFri, Oct 16, 10:16 PM HADT · 2176 days ago · 35 km deep · 31 km away
18. 2.981 km NE of Adak, AlaskaFri, Oct 16, 3:36 PM HADT · 2176 days ago · 185 km deep · 66 km away
19. 2.580 km NE of Adak, AlaskaThu, Oct 15, 10:47 AM HADT · 2177 days ago · 167 km deep · 67 km away
20. 1.947 km SW of Adak, AlaskaThu, Oct 15, 4:18 AM HADT · 2177 days ago · 28 km deep · 82 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020dvjg3e6. Read Thu, Oct 1, 2026, 11:08 PM UTC.