M1.8 earthquake 41 km E of Adak, Alaska

Magnitude

1.8 (ml), micro

Local time

Thu, Sep 24, 2020, 12:57 AM HADT

UTC

2020-09-24 09:57:58 UTC

Depth

133.3 km (82.8 mi), intermediate-depth

Epicenter

51.908° N, 176.036° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

24

After

1. 1.860 km SW of Atka, AlaskaThu, Sep 24, 4:50 AM HADT · 2197 days ago · 60 km deep · 78 km away
2. 2.548 km ENE of Adak, AlaskaThu, Sep 24, 7:39 AM HADT · 2197 days ago · 162 km deep · 10 km away
3. 1.642 km SSW of Adak, AlaskaThu, Sep 24, 11:36 AM HADT · 2197 days ago · 45 km deep · 71 km away
4. 2.438 km SW of Adak, AlaskaThu, Sep 24, 11:45 AM HADT · 2197 days ago · 72 km deep · 77 km away
5. 3.169 km WSW of Atka, AlaskaThu, Sep 24, 11:48 AM HADT · 2197 days ago · 75 km deep · 68 km away
6. 1.678 km SE of Adak, AlaskaThu, Sep 24, 4:44 PM HADT · 2197 days ago · 26 km deep · 58 km away
7. 1.939 km SE of Adak, AlaskaThu, Sep 24, 5:29 PM HADT · 2197 days ago · 71 km deep · 28 km away
8. 3.076 km E of Adak, AlaskaFri, Sep 25, 5:39 PM HADT · 2196 days ago · 98 km deep · 35 km away
9. 2.0Andreanof Islands, Aleutian Islands, AlaskaSat, Sep 26, 3:09 AM HADT · 2195 days ago · 179 km deep · 68 km away
10. 1.647 km ENE of Adak, AlaskaSat, Sep 26, 4:18 AM HADT · 2195 days ago · 90 km deep · 10 km away
11. 1.844 km SSE of Adak, AlaskaSat, Sep 26, 2:49 PM HADT · 2195 days ago · 31 km deep · 49 km away
12. 1.658 km SSE of Adak, AlaskaSun, Sep 27, 4:24 AM HADT · 2194 days ago · 24 km deep · 57 km away
13. 1.735 km ESE of Adak, AlaskaSun, Sep 27, 4:50 AM HADT · 2194 days ago · 84 km deep · 15 km away
14. 2.896 km ESE of Adak, AlaskaSun, Sep 27, 3:44 PM HADT · 2194 days ago · 35 km deep · 69 km away
15. 1.897 km SW of Atka, AlaskaMon, Sep 28, 12:40 AM HADT · 2194 days ago · 25 km deep · 69 km away
16. 1.822 km SSW of Adak, AlaskaTue, Sep 29, 9:57 AM HADT · 2192 days ago · 68 km deep · 55 km away
17. 1.767 km SSW of Adak, AlaskaTue, Sep 29, 2:34 PM HADT · 2192 days ago · 44 km deep · 97 km away
18. 1.657 km WSW of Atka, AlaskaTue, Sep 29, 8:18 PM HADT · 2192 days ago · 74 km deep · 72 km away
19. 1.960 km SE of Adak, AlaskaTue, Sep 29, 9:13 PM HADT · 2192 days ago · 23 km deep · 48 km away
20. 1.557 km SSE of Adak, AlaskaWed, Sep 30, 4:26 AM HADT · 2191 days ago · 26 km deep · 62 km away
21. 5.376 km SW of Atka, AlaskaThu, Oct 1, 1:25 AM HADT · 2191 days ago · 40 km deep · 81 km away · felt by 2
22. 4.090 km SSW of Atka, AlaskaThu, Oct 1, 4:07 PM HADT · 2190 days ago · 35 km deep · 92 km away
23. 2.434 km S of Adak, AlaskaThu, Oct 1, 6:08 PM HADT · 2190 days ago · 34 km deep · 59 km away
24. 1.683 km SW of Atka, AlaskaThu, Oct 1, 11:25 PM HADT · 2190 days ago · 26 km deep · 85 km away
25. 1.681 km SW of Atka, AlaskaFri, Oct 2, 5:45 AM HADT · 2189 days ago · 30 km deep · 83 km away
26. 2.052 km E of Adak, AlaskaFri, Oct 2, 10:04 AM HADT · 2189 days ago · 149 km deep · 12 km away
27. 2.586 km SW of Atka, AlaskaFri, Oct 2, 11:06 AM HADT · 2189 days ago · 34 km deep · 86 km away
28. 2.775 km NNE of Adak, AlaskaFri, Oct 2, 4:20 PM HADT · 2189 days ago · 203 km deep · 70 km away
29. 3.784 km SW of Atka, AlaskaFri, Oct 2, 5:33 PM HADT · 2189 days ago · 35 km deep · 85 km away · felt by 1
30. 1.812 km SSE of Adak, AlaskaSat, Oct 3, 12:09 AM HADT · 2189 days ago · 75 km deep · 41 km away
31. 1.586 km SSW of Atka, AlaskaSat, Oct 3, 12:29 AM HADT · 2189 days ago · 26 km deep · 93 km away
32. 1.857 km SE of Adak, AlaskaSat, Oct 3, 2:00 AM HADT · 2189 days ago · 46 km deep · 47 km away
33. 3.353 km S of Adak, AlaskaSat, Oct 3, 4:13 AM HADT · 2188 days ago · 33 km deep · 70 km away
34. 2.336 km W of Atka, AlaskaSat, Oct 3, 4:23 AM HADT · 2188 days ago · 200 km deep · 95 km away
35. 1.881 km SW of Atka, AlaskaSat, Oct 3, 5:05 AM HADT · 2188 days ago · 18 km deep · 86 km away
36. 3.886 km SW of Atka, AlaskaSat, Oct 3, 5:52 AM HADT · 2188 days ago · 24 km deep · 84 km away
37. 1.841 km SSE of Adak, AlaskaSat, Oct 3, 6:01 PM HADT · 2188 days ago · 31 km deep · 45 km away
38. 1.987 km ESE of Adak, AlaskaSun, Oct 4, 1:59 PM HADT · 2187 days ago · 39 km deep · 59 km away
39. 3.044 km SE of Adak, AlaskaSun, Oct 4, 2:07 PM HADT · 2187 days ago · 59 km deep · 29 km away
40. 1.738 km SSW of Adak, AlaskaSun, Oct 4, 10:18 PM HADT · 2187 days ago · 15 km deep · 69 km away
41. 2.659 km SSE of Adak, AlaskaSun, Oct 4, 10:34 PM HADT · 2187 days ago · 35 km deep · 63 km away
42. 1.934 km SSW of Adak, AlaskaMon, Oct 5, 1:05 AM HADT · 2187 days ago · 57 km deep · 64 km away
43. 2.275 km ENE of Adak, AlaskaMon, Oct 5, 6:40 PM HADT · 2186 days ago · 170 km deep · 44 km away
44. 3.164 km SE of Adak, AlaskaThu, Oct 8, 3:29 PM HADT · 2183 days ago · 35 km deep · 50 km away
45. 3.335 km E of Adak, AlaskaFri, Oct 9, 12:44 AM HADT · 2183 days ago · 89 km deep · 7 km away
46. 1.882 km SW of Atka, AlaskaFri, Oct 9, 9:09 AM HADT · 2182 days ago · 26 km deep · 88 km away
47. 3.068 km SSE of Adak, AlaskaFri, Oct 9, 9:36 AM HADT · 2182 days ago · 35 km deep · 63 km away
48. 4.368 km SSE of Adak, AlaskaFri, Oct 9, 10:24 AM HADT · 2182 days ago · 28 km deep · 61 km away
49. 2.160 km SSE of Adak, AlaskaFri, Oct 9, 1:10 PM HADT · 2182 days ago · 24 km deep · 59 km away
50. 2.578 km SSE of Adak, AlaskaSat, Oct 10, 1:51 AM HADT · 2182 days ago · 35 km deep · 73 km away
51. 2.879 km W of Atka, AlaskaSun, Oct 11, 12:27 AM HADT · 2181 days ago · 228 km deep · 55 km away
52. 1.742 km ESE of Adak, AlaskaSun, Oct 11, 6:16 AM HADT · 2180 days ago · 63 km deep · 18 km away
53. 1.945 km SW of Adak, AlaskaSun, Oct 11, 8:30 AM HADT · 2180 days ago · 60 km deep · 82 km away
54. 2.588 km NE of Adak, AlaskaSun, Oct 11, 2:00 PM HADT · 2180 days ago · 167 km deep · 57 km away
55. 1.532 km SE of Adak, AlaskaSun, Oct 11, 2:36 PM HADT · 2180 days ago · 25 km deep · 31 km away
56. 3.470 km SE of Adak, AlaskaMon, Oct 12, 2:48 AM HADT · 2180 days ago · 35 km deep · 52 km away
57. 1.668 km SSW of Adak, AlaskaWed, Oct 14, 10:01 AM HADT · 2177 days ago · 32 km deep · 96 km away
58. 1.751 km W of Adak, AlaskaThu, Oct 15, 3:42 AM HADT · 2176 days ago · 90 km deep · 92 km away
59. 1.947 km SW of Adak, AlaskaThu, Oct 15, 4:18 AM HADT · 2176 days ago · 28 km deep · 82 km away
60. 2.580 km NE of Adak, AlaskaThu, Oct 15, 10:47 AM HADT · 2176 days ago · 167 km deep · 51 km away

The first 60 of 126.

Before

1. 1.516 km SSW of Adak, AlaskaWed, Sep 23, 11:32 PM HADT · 2198 days ago · 78 km deep · 51 km away
2. 1.617 km S of Adak, AlaskaWed, Sep 23, 9:13 PM HADT · 2198 days ago · 65 km deep · 47 km away
3. 1.952 km S of Adak, AlaskaWed, Sep 23, 9:49 AM HADT · 2198 days ago · 24 km deep · 64 km away
4. 1.861 km E of Adak, AlaskaWed, Sep 23, 7:59 AM HADT · 2198 days ago · 88 km deep · 21 km away
5. 1.982 km SW of Atka, AlaskaTue, Sep 22, 3:36 PM HADT · 2199 days ago · 41 km deep · 79 km away
6. 2.736 km S of Adak, AlaskaTue, Sep 22, 9:18 AM HADT · 2199 days ago · 47 km deep · 62 km away
7. 3.384 km W of Atka, AlaskaTue, Sep 22, 8:39 AM HADT · 2199 days ago · 144 km deep · 52 km away
8. 1.570 km SSE of Adak, AlaskaTue, Sep 22, 7:24 AM HADT · 2199 days ago · 21 km deep · 77 km away
9. 3.330 km SW of Adak, AlaskaMon, Sep 21, 4:34 PM HADT · 2200 days ago · 87 km deep · 69 km away
10. 2.155 km SSE of Adak, AlaskaMon, Sep 21, 10:55 AM HADT · 2200 days ago · 26 km deep · 62 km away
11. 2.717 km SE of Adak, AlaskaMon, Sep 21, 3:38 AM HADT · 2200 days ago · 80 km deep · 36 km away
12. 2.056 km SE of Adak, AlaskaSat, Sep 19, 7:25 AM HADT · 2202 days ago · 32 km deep · 42 km away
13. 1.693 km ESE of Adak, AlaskaThu, Sep 17, 1:08 PM HADT · 2204 days ago · 26 km deep · 58 km away
14. 1.556 km SSW of Adak, AlaskaThu, Sep 17, 11:46 AM HADT · 2204 days ago · 25 km deep · 82 km away
15. 4.051 km SSE of Adak, AlaskaWed, Sep 16, 5:57 AM HADT · 2205 days ago · 35 km deep · 56 km away
16. 1.996 km ESE of Adak, AlaskaWed, Sep 16, 3:47 AM HADT · 2205 days ago · 29 km deep · 61 km away
17. 1.662 km SE of Adak, AlaskaTue, Sep 15, 6:35 PM HADT · 2206 days ago · 24 km deep · 45 km away
18. 3.067 km SSE of Adak, AlaskaTue, Sep 15, 3:58 PM HADT · 2206 days ago · 22 km deep · 60 km away
19. 3.875 km SE of Adak, AlaskaTue, Sep 15, 3:51 PM HADT · 2206 days ago · 26 km deep · 65 km away · felt by 1
20. 2.672 km ENE of Adak, AlaskaTue, Sep 15, 10:09 AM HADT · 2206 days ago · 190 km deep · 33 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020cbdq93f. Read Wed, Sep 30, 2026, 11:34 PM UTC.