M1.7 earthquake 91 km ESE of Adak, Alaska

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, Oct 31, 2020, 4:33 PM HADT

UTC

2020-11-01 01:33:38 UTC

Depth

40.0 km (24.9 mi), shallow

Epicenter

51.662° N, 175.350° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

16

After

1. 3.245 km ENE of Adak, AlaskaMon, Nov 2, 7:37 AM HAST · 2162 days ago · 133 km deep · 57 km away
2. 2.043 km W of Atka, AlaskaTue, Nov 3, 1:28 AM HAST · 2161 days ago · 95 km deep · 65 km away
3. 2.0Andreanof Islands, Aleutian Islands, AlaskaTue, Nov 3, 5:54 AM HAST · 2161 days ago · 46 km deep · 87 km away
4. 1.751 km S of Adak, AlaskaTue, Nov 3, 6:22 AM HAST · 2161 days ago · 33 km deep · 87 km away
5. 1.589 km ESE of Adak, AlaskaTue, Nov 3, 11:57 AM HAST · 2161 days ago · 40 km deep · 28 km away
6. 1.660.7 km NE of Atka, AKTue, Nov 3, 9:55 PM HAST · 2160 days ago · 47 km deep · 38 km away
7. 1.877.5 km WNW of Adak, AKWed, Nov 4, 3:34 AM HAST · 2160 days ago · 25 km deep · 15 km away
8. 2.164 km S of Adak, AlaskaThu, Nov 5, 7:28 PM HAST · 2159 days ago · 26 km deep · 90 km away
9. 1.880 km SSE of Adak, AlaskaThu, Nov 5, 9:32 PM HAST · 2158 days ago · 25 km deep · 88 km away
10. 3.963 km ESE of Adak, AlaskaFri, Nov 6, 6:03 AM HAST · 2158 days ago · 65 km deep · 29 km away
11. 1.936 km S of Adak, AlaskaFri, Nov 6, 12:51 PM HAST · 2158 days ago · 37 km deep · 96 km away
12. 1.865 km SE of Adak, AlaskaSat, Nov 7, 8:33 AM HAST · 2157 days ago · 26 km deep · 55 km away
13. 1.543 km ENE of Adak, AlaskaSat, Nov 7, 8:32 PM HAST · 2156 days ago · 8 km deep · 64 km away
14. 2.365 km SE of Adak, AlaskaTue, Nov 10, 8:28 PM HAST · 2153 days ago · 25 km deep · 44 km away
15. 1.946 km E of Adak, AlaskaWed, Nov 11, 3:48 PM HAST · 2153 days ago · 72 km deep · 46 km away
16. 2.943 km WSW of Atka, AlaskaWed, Nov 11, 4:40 PM HAST · 2153 days ago · 247 km deep · 59 km away
17. 2.230 km SSW of Atka, AlaskaThu, Nov 12, 3:58 AM HAST · 2152 days ago · 61 km deep · 75 km away
18. 1.855 km SSE of Adak, AlaskaFri, Nov 13, 4:41 AM HAST · 2151 days ago · 27 km deep · 77 km away
19. 1.959 km SE of Adak, AlaskaFri, Nov 13, 5:37 AM HAST · 2151 days ago · 25 km deep · 55 km away
20. 1.741 km S of Adak, AlaskaFri, Nov 13, 10:06 AM HAST · 2151 days ago · 34 km deep · 87 km away
21. 2.544 km ESE of Adak, AlaskaFri, Nov 13, 1:55 PM HAST · 2151 days ago · 68 km deep · 47 km away
22. 2.863 km SE of Adak, AlaskaSat, Nov 14, 6:21 AM HAST · 2150 days ago · 35 km deep · 58 km away
23. 1.960 km S of Adak, AlaskaSat, Nov 14, 11:07 AM HAST · 2150 days ago · 43 km deep · 87 km away
24. 2.963 km SE of Adak, AlaskaSat, Nov 14, 10:04 PM HAST · 2149 days ago · 35 km deep · 50 km away
25. 1.657 km SSE of Adak, AlaskaSun, Nov 15, 1:59 AM HAST · 2149 days ago · 26 km deep · 67 km away
26. 1.988 km S of Atka, AlaskaSun, Nov 15, 2:57 AM HAST · 2149 days ago · 13 km deep · 81 km away
27. 3.669 km SSW of Atka, AlaskaSun, Nov 15, 6:44 AM HAST · 2149 days ago · 25 km deep · 50 km away
28. 2.883 km SSW of Atka, AlaskaMon, Nov 16, 11:14 PM HAST · 2147 days ago · 28 km deep · 63 km away
29. 3.668 km ENE of Adak, AlaskaWed, Nov 18, 11:20 AM HAST · 2146 days ago · 156 km deep · 59 km away
30. 1.974 km SW of Atka, AlaskaThu, Nov 19, 2:17 PM HAST · 2145 days ago · 22 km deep · 26 km away
31. 1.667 km WSW of Atka, AlaskaSat, Nov 21, 3:30 PM HAST · 2143 days ago · 69 km deep · 42 km away
32. 2.056 km SSW of Atka, AlaskaMon, Nov 23, 5:18 AM HAST · 2141 days ago · 23 km deep · 51 km away
33. 2.832 km ENE of Adak, AlaskaTue, Nov 24, 3:52 AM HAST · 2140 days ago · 137 km deep · 65 km away
34. 3.4114 km SE of Adak, AlaskaTue, Nov 24, 5:20 AM HAST · 2140 days ago · 17 km deep · 72 km away
35. 2.563 km WSW of Atka, AlaskaTue, Nov 24, 10:52 PM HAST · 2139 days ago · 57 km deep · 36 km away
36. 2.954 km NE of Adak, AlaskaWed, Nov 25, 12:32 AM HAST · 2139 days ago · 158 km deep · 75 km away
37. 1.978 km ESE of Adak, AlaskaWed, Nov 25, 5:13 AM HAST · 2139 days ago · 28 km deep · 19 km away
38. 2.062 km SE of Adak, AlaskaThu, Nov 26, 1:38 AM HAST · 2138 days ago · 26 km deep · 49 km away
39. 4.045 km SSE of Adak, AlaskaThu, Nov 26, 12:00 PM HAST · 2138 days ago · 43 km deep · 78 km away
40. 3.632 km SE of Adak, AlaskaSat, Nov 28, 12:56 PM HAST · 2136 days ago · 59 km deep · 68 km away
41. 2.079 km E of Adak, AlaskaSat, Nov 28, 3:17 PM HAST · 2136 days ago · 81 km deep · 38 km away
42. 3.314 km SSE of Adak, AlaskaSat, Nov 28, 6:20 PM HAST · 2136 days ago · 67 km deep · 84 km away
43. 1.817 km SSE of Adak, AlaskaSun, Nov 29, 3:21 AM HAST · 2135 days ago · 61 km deep · 82 km away
44. 3.014 km SSE of Adak, AlaskaSun, Nov 29, 4:19 AM HAST · 2135 days ago · 66 km deep · 84 km away
45. 3.056 km SSW of Atka, AlaskaMon, Nov 30, 2:37 PM HAST · 2134 days ago · 33 km deep · 51 km away
46. 1.657 km SSE of Adak, AlaskaMon, Nov 30, 11:03 PM HAST · 2133 days ago · 24 km deep · 62 km away
47. 1.754 km SSE of Adak, AlaskaMon, Nov 30, 11:05 PM HAST · 2133 days ago · 26 km deep · 72 km away
48. 1.851 km SSE of Adak, AlaskaMon, Nov 30, 11:13 PM HAST · 2133 days ago · 26 km deep · 72 km away
49. 1.560 km SE of Adak, AlaskaTue, Dec 1, 8:55 AM HAST · 2133 days ago · 17 km deep · 54 km away
50. 1.559 km SE of Adak, AlaskaTue, Dec 1, 10:09 AM HAST · 2133 days ago · 26 km deep · 51 km away
51. 1.661 km SSE of Adak, AlaskaWed, Dec 2, 3:48 PM HAST · 2132 days ago · 26 km deep · 67 km away
52. 1.783 km SW of Atka, AlaskaWed, Dec 2, 9:14 PM HAST · 2131 days ago · 38 km deep · 15 km away
53. 3.254 km SSE of Adak, AlaskaThu, Dec 3, 11:23 AM HAST · 2131 days ago · 36 km deep · 78 km away
54. 1.649 km SSE of Adak, AlaskaThu, Dec 3, 5:32 PM HAST · 2131 days ago · 24 km deep · 76 km away
55. 2.974 km SW of Atka, AlaskaThu, Dec 3, 6:40 PM HAST · 2131 days ago · 63 km deep · 25 km away
56. 2.835 km SSE of Adak, AlaskaThu, Dec 3, 9:33 PM HAST · 2130 days ago · 57 km deep · 76 km away
57. 1.997 km SW of Atka, AlaskaThu, Dec 3, 11:10 PM HAST · 2130 days ago · 26 km deep · 15 km away
58. 2.554 km SSE of Adak, AlaskaFri, Dec 4, 9:46 AM HAST · 2130 days ago · 35 km deep · 83 km away
59. 2.862 km S of Atka, AlaskaFri, Dec 4, 9:58 AM HAST · 2130 days ago · 35 km deep · 77 km away
60. 1.652 km SSE of Adak, AlaskaFri, Dec 4, 8:11 PM HAST · 2129 days ago · 29 km deep · 65 km away

The first 60 of 108.

Before

1. 2.817 km SE of Adak, AlaskaSat, Oct 31, 3:25 PM HADT · 2164 days ago · 74 km deep · 77 km away
2. 1.654.0 km NNW of Adak, AKSat, Oct 31, 2:36 PM HADT · 2164 days ago · 46 km deep · 70 km away
3. 4.258 km SSE of Adak, AlaskaSat, Oct 31, 9:04 AM HADT · 2164 days ago · 44 km deep · 67 km away
4. 2.285.5 km W of Adak, AKSat, Oct 31, 7:52 AM HADT · 2164 days ago · 65 km deep · 20 km away
5. 3.569 km ESE of Adak, AlaskaWed, Oct 28, 1:58 AM HADT · 2167 days ago · 35 km deep · 27 km away
6. 1.951 km ESE of Adak, AlaskaTue, Oct 27, 8:28 PM HADT · 2168 days ago · 59 km deep · 40 km away
7. 1.6104 km SSW of Atka, AlaskaTue, Oct 27, 11:54 AM HADT · 2168 days ago · 5 km deep · 41 km away
8. 1.978 km E of Adak, AlaskaTue, Oct 27, 11:28 AM HADT · 2168 days ago · 68 km deep · 22 km away
9. 2.373 km W of Atka, AlaskaMon, Oct 26, 2:24 PM HADT · 2169 days ago · 239 km deep · 55 km away
10. 1.930 km W of Atka, AlaskaMon, Oct 26, 12:37 PM HADT · 2169 days ago · 199 km deep · 79 km away
11. 1.819 km NW of Atka, AlaskaMon, Oct 26, 7:01 AM HADT · 2169 days ago · 188 km deep · 97 km away
12. 1.557 km SSE of Adak, AlaskaMon, Oct 26, 4:39 AM HADT · 2169 days ago · 26 km deep · 65 km away
13. 1.723 km WNW of Atka, AlaskaMon, Oct 26, 3:16 AM HADT · 2169 days ago · 148 km deep · 92 km away
14. 1.755 km SSE of Adak, AlaskaMon, Oct 26, 1:44 AM HADT · 2169 days ago · 23 km deep · 76 km away
15. 1.6135 km SSE of Adak, AlaskaSun, Oct 25, 8:56 PM HADT · 2170 days ago · 26 km deep · 92 km away
16. 2.079 km E of Adak, AlaskaSun, Oct 25, 8:24 PM HADT · 2170 days ago · 101 km deep · 31 km away
17. 1.967 km ESE of Adak, AlaskaSat, Oct 24, 11:52 AM HADT · 2171 days ago · 31 km deep · 34 km away
18. 1.843 km ENE of Adak, AlaskaSat, Oct 24, 7:44 AM HADT · 2171 days ago · 8 km deep · 64 km away
19. 2.674 km SSE of Adak, AlaskaFri, Oct 23, 3:54 PM HADT · 2172 days ago · 35 km deep · 71 km away
20. 1.861 km ESE of Adak, AlaskaFri, Oct 23, 10:32 AM HADT · 2172 days ago · 39 km deep · 36 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020e238sf9. Read Sun, Oct 4, 2026, 5:30 PM UTC.