M1.9 earthquake 87 km ESE of Adak, Alaska

Magnitude

1.9 (ml), micro

Local time

Sun, Oct 4, 2020, 1:59 PM HADT

UTC

2020-10-04 22:59:00 UTC

Depth

38.6 km (24.0 mi), shallow

Epicenter

51.477° N, 175.543° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

10

After

1. 3.044 km SE of Adak, AlaskaSun, Oct 4, 2:07 PM HADT · 2187 days ago · 59 km deep · 43 km away
2. 1.738 km SSW of Adak, AlaskaSun, Oct 4, 10:18 PM HADT · 2187 days ago · 15 km deep · 92 km away
3. 2.659 km SSE of Adak, AlaskaSun, Oct 4, 10:34 PM HADT · 2187 days ago · 35 km deep · 56 km away
4. 1.934 km SSW of Adak, AlaskaMon, Oct 5, 1:05 AM HADT · 2187 days ago · 57 km deep · 88 km away
5. 2.275 km ENE of Adak, AlaskaMon, Oct 5, 6:40 PM HADT · 2186 days ago · 170 km deep · 86 km away
6. 3.164 km SE of Adak, AlaskaThu, Oct 8, 3:29 PM HADT · 2183 days ago · 35 km deep · 30 km away
7. 3.335 km E of Adak, AlaskaFri, Oct 9, 12:44 AM HADT · 2183 days ago · 89 km deep · 59 km away
8. 1.882 km SW of Atka, AlaskaFri, Oct 9, 9:09 AM HADT · 2182 days ago · 26 km deep · 48 km away
9. 3.068 km SSE of Adak, AlaskaFri, Oct 9, 9:36 AM HADT · 2182 days ago · 35 km deep · 43 km away
10. 4.368 km SSE of Adak, AlaskaFri, Oct 9, 10:24 AM HADT · 2182 days ago · 28 km deep · 40 km away
11. 2.160 km SSE of Adak, AlaskaFri, Oct 9, 1:10 PM HADT · 2182 days ago · 24 km deep · 48 km away
12. 2.578 km SSE of Adak, AlaskaSat, Oct 10, 1:51 AM HADT · 2181 days ago · 35 km deep · 47 km away
13. 2.879 km W of Atka, AlaskaSun, Oct 11, 12:27 AM HADT · 2181 days ago · 228 km deep · 79 km away
14. 1.742 km ESE of Adak, AlaskaSun, Oct 11, 6:16 AM HADT · 2180 days ago · 63 km deep · 46 km away
15. 2.588 km NE of Adak, AlaskaSun, Oct 11, 2:00 PM HADT · 2180 days ago · 167 km deep · 98 km away
16. 1.532 km SE of Adak, AlaskaSun, Oct 11, 2:36 PM HADT · 2180 days ago · 25 km deep · 56 km away
17. 3.470 km SE of Adak, AlaskaMon, Oct 12, 2:48 AM HADT · 2179 days ago · 35 km deep · 23 km away
18. 1.737 km SW of Atka, AlaskaMon, Oct 12, 10:43 PM HADT · 2179 days ago · 64 km deep · 85 km away
19. 2.580 km NE of Adak, AlaskaThu, Oct 15, 10:47 AM HADT · 2176 days ago · 167 km deep · 95 km away
20. 2.981 km NE of Adak, AlaskaFri, Oct 16, 3:36 PM HADT · 2175 days ago · 185 km deep · 93 km away
21. 2.968 km SE of Adak, AlaskaFri, Oct 16, 10:16 PM HADT · 2175 days ago · 35 km deep · 25 km away
22. 1.986 km ENE of Adak, AlaskaSat, Oct 17, 12:03 AM HADT · 2175 days ago · 113 km deep · 77 km away
23. 2.551 km S of Adak, AlaskaSat, Oct 17, 12:13 AM HADT · 2175 days ago · 35 km deep · 86 km away
24. 3.175 km ENE of Adak, AlaskaSat, Oct 17, 1:39 AM HADT · 2174 days ago · 158 km deep · 71 km away
25. 1.826 km SW of Atka, AlaskaSat, Oct 17, 3:27 AM HADT · 2174 days ago · 72 km deep · 96 km away
26. 2.567 km SSE of Adak, AlaskaMon, Oct 19, 12:14 AM HADT · 2173 days ago · 33 km deep · 46 km away
27. 1.659 km SSE of Adak, AlaskaMon, Oct 19, 12:20 AM HADT · 2173 days ago · 24 km deep · 49 km away
28. 3.157 km SE of Adak, AlaskaMon, Oct 19, 2:38 AM HADT · 2172 days ago · 42 km deep · 43 km away
29. 1.861 km ESE of Adak, AlaskaFri, Oct 23, 10:32 AM HADT · 2168 days ago · 39 km deep · 26 km away
30. 2.674 km SSE of Adak, AlaskaFri, Oct 23, 3:54 PM HADT · 2168 days ago · 35 km deep · 49 km away
31. 1.843 km ENE of Adak, AlaskaSat, Oct 24, 7:44 AM HADT · 2167 days ago · 8 km deep · 72 km away
32. 1.967 km ESE of Adak, AlaskaSat, Oct 24, 11:52 AM HADT · 2167 days ago · 31 km deep · 20 km away
33. 2.079 km E of Adak, AlaskaSun, Oct 25, 8:24 PM HADT · 2166 days ago · 101 km deep · 51 km away
34. 1.6135 km SSE of Adak, AlaskaSun, Oct 25, 8:56 PM HADT · 2166 days ago · 26 km deep · 70 km away
35. 1.755 km SSE of Adak, AlaskaMon, Oct 26, 1:44 AM HADT · 2165 days ago · 23 km deep · 58 km away
36. 1.557 km SSE of Adak, AlaskaMon, Oct 26, 4:39 AM HADT · 2165 days ago · 26 km deep · 47 km away
37. 2.373 km W of Atka, AlaskaMon, Oct 26, 2:24 PM HADT · 2165 days ago · 239 km deep · 78 km away
38. 1.978 km E of Adak, AlaskaTue, Oct 27, 11:28 AM HADT · 2164 days ago · 68 km deep · 41 km away
39. 1.6104 km SSW of Atka, AlaskaTue, Oct 27, 11:54 AM HADT · 2164 days ago · 5 km deep · 42 km away
40. 1.951 km ESE of Adak, AlaskaTue, Oct 27, 8:28 PM HADT · 2164 days ago · 59 km deep · 39 km away
41. 3.569 km ESE of Adak, AlaskaWed, Oct 28, 1:58 AM HADT · 2163 days ago · 35 km deep · 19 km away
42. 3.551 km SSW of Adak, AlaskaWed, Oct 28, 2:33 AM HADT · 2163 days ago · 35 km deep · 87 km away
43. 2.285.5 km W of Adak, AKSat, Oct 31, 7:52 AM HADT · 2160 days ago · 65 km deep · 42 km away
44. 4.258 km SSE of Adak, AlaskaSat, Oct 31, 9:04 AM HADT · 2160 days ago · 44 km deep · 48 km away
45. 1.654.0 km NNW of Adak, AKSat, Oct 31, 2:36 PM HADT · 2160 days ago · 46 km deep · 52 km away
46. 2.817 km SE of Adak, AlaskaSat, Oct 31, 3:25 PM HADT · 2160 days ago · 74 km deep · 70 km away
47. 1.791 km ESE of Adak, AlaskaSat, Oct 31, 4:33 PM HADT · 2160 days ago · 40 km deep · 24 km away
48. 3.245 km ENE of Adak, AlaskaMon, Nov 2, 7:37 AM HAST · 2158 days ago · 133 km deep · 65 km away
49. 2.043 km W of Atka, AlaskaTue, Nov 3, 1:28 AM HAST · 2157 days ago · 95 km deep · 89 km away
50. 2.0Andreanof Islands, Aleutian Islands, AlaskaTue, Nov 3, 5:54 AM HAST · 2157 days ago · 46 km deep · 73 km away
51. 1.751 km S of Adak, AlaskaTue, Nov 3, 6:22 AM HAST · 2157 days ago · 33 km deep · 69 km away
52. 1.589 km ESE of Adak, AlaskaTue, Nov 3, 11:57 AM HAST · 2157 days ago · 40 km deep · 5 km away
53. 3.945 km SSW of Adak, AlaskaTue, Nov 3, 9:49 PM HAST · 2157 days ago · 45 km deep · 88 km away · felt by 1
54. 1.660.7 km NE of Atka, AKTue, Nov 3, 9:55 PM HAST · 2157 days ago · 47 km deep · 61 km away
55. 4.339 km SSW of Adak, AlaskaTue, Nov 3, 11:35 PM HAST · 2157 days ago · 33 km deep · 89 km away · felt by 1
56. 2.853 km S of Adak, AlaskaTue, Nov 3, 11:58 PM HAST · 2157 days ago · 24 km deep · 86 km away
57. 1.877.5 km WNW of Adak, AKWed, Nov 4, 3:34 AM HAST · 2156 days ago · 25 km deep · 29 km away
58. 1.738.3 km NNE of Adak, AKWed, Nov 4, 4:59 AM HAST · 2156 days ago · 32 km deep · 87 km away
59. 2.164 km S of Adak, AlaskaThu, Nov 5, 7:28 PM HAST · 2155 days ago · 26 km deep · 70 km away
60. 1.880 km SSE of Adak, AlaskaThu, Nov 5, 9:32 PM HAST · 2155 days ago · 25 km deep · 66 km away

The first 60 of 108.

Before

1. 1.841 km SSE of Adak, AlaskaSat, Oct 3, 6:01 PM HADT · 2188 days ago · 31 km deep · 55 km away
2. 3.886 km SW of Atka, AlaskaSat, Oct 3, 5:52 AM HADT · 2188 days ago · 24 km deep · 42 km away
3. 1.881 km SW of Atka, AlaskaSat, Oct 3, 5:05 AM HADT · 2188 days ago · 18 km deep · 47 km away
4. 2.336 km W of Atka, AlaskaSat, Oct 3, 4:23 AM HADT · 2188 days ago · 200 km deep · 98 km away
5. 3.353 km S of Adak, AlaskaSat, Oct 3, 4:13 AM HADT · 2188 days ago · 33 km deep · 75 km away
6. 1.857 km SE of Adak, AlaskaSat, Oct 3, 2:00 AM HADT · 2188 days ago · 46 km deep · 37 km away
7. 1.586 km SSW of Atka, AlaskaSat, Oct 3, 12:29 AM HADT · 2189 days ago · 26 km deep · 49 km away
8. 1.812 km SSE of Adak, AlaskaSat, Oct 3, 12:09 AM HADT · 2189 days ago · 75 km deep · 79 km away
9. 1.576 km S of Atka, AlaskaFri, Oct 2, 11:19 PM HADT · 2189 days ago · 22 km deep · 85 km away
10. 1.7Andreanof Islands, Aleutian Islands, AlaskaFri, Oct 2, 7:12 PM HADT · 2189 days ago · 7 km deep · 87 km away
11. 3.784 km SW of Atka, AlaskaFri, Oct 2, 5:33 PM HADT · 2189 days ago · 35 km deep · 45 km away · felt by 1
12. 2.586 km SW of Atka, AlaskaFri, Oct 2, 11:06 AM HADT · 2189 days ago · 34 km deep · 44 km away
13. 2.052 km E of Adak, AlaskaFri, Oct 2, 10:04 AM HADT · 2189 days ago · 149 km deep · 49 km away
14. 1.681 km SW of Atka, AlaskaFri, Oct 2, 5:45 AM HADT · 2189 days ago · 30 km deep · 46 km away
15. 1.683 km SW of Atka, AlaskaThu, Oct 1, 11:25 PM HADT · 2190 days ago · 26 km deep · 45 km away
16. 2.434 km S of Adak, AlaskaThu, Oct 1, 6:08 PM HADT · 2190 days ago · 34 km deep · 80 km away
17. 4.090 km SSW of Atka, AlaskaThu, Oct 1, 4:07 PM HADT · 2190 days ago · 35 km deep · 47 km away
18. 5.376 km SW of Atka, AlaskaThu, Oct 1, 1:25 AM HADT · 2190 days ago · 40 km deep · 48 km away · felt by 2
19. 1.557 km SSE of Adak, AlaskaWed, Sep 30, 4:26 AM HADT · 2191 days ago · 26 km deep · 58 km away
20. 1.960 km SE of Adak, AlaskaTue, Sep 29, 9:13 PM HADT · 2192 days ago · 23 km deep · 34 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020cs4unuf. Read Wed, Sep 30, 2026, 9:54 PM UTC.