M1.9 earthquake 82 km SW of Atka, Alaska

Magnitude

1.9 (ml), micro

Local time

Tue, Sep 22, 2020, 3:36 PM HADT

UTC

2020-09-23 00:36:56 UTC

Depth

41.0 km (25.5 mi), shallow

Epicenter

51.629° N, 174.973° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

17

After

1. 4.026 km NNW of Atka, AlaskaTue, Sep 22, 4:17 PM HADT · 2198 days ago · 122 km deep · 96 km away
2. 1.861 km E of Adak, AlaskaWed, Sep 23, 7:59 AM HADT · 2197 days ago · 88 km deep · 66 km away
3. 2.07 km NW of Atka, AlaskaWed, Sep 23, 9:36 PM HADT · 2197 days ago · 140 km deep · 84 km away
4. 1.841 km E of Adak, AlaskaThu, Sep 24, 12:57 AM HADT · 2196 days ago · 133 km deep · 79 km away
5. 1.860 km SW of Atka, AlaskaThu, Sep 24, 4:50 AM HADT · 2196 days ago · 60 km deep · 26 km away
6. 2.548 km ENE of Adak, AlaskaThu, Sep 24, 7:39 AM HADT · 2196 days ago · 162 km deep · 77 km away
7. 3.169 km WSW of Atka, AlaskaThu, Sep 24, 11:48 AM HADT · 2196 days ago · 75 km deep · 26 km away
8. 1.678 km SE of Adak, AlaskaThu, Sep 24, 4:44 PM HADT · 2196 days ago · 26 km deep · 61 km away
9. 1.939 km SE of Adak, AlaskaThu, Sep 24, 5:29 PM HADT · 2196 days ago · 71 km deep · 82 km away
10. 1.6139 km S of Atka, AlaskaFri, Sep 25, 2:25 AM HADT · 2195 days ago · 5 km deep · 92 km away
11. 1.583 km SSE of Atka, AlaskaFri, Sep 25, 8:26 AM HADT · 2195 days ago · 8 km deep · 77 km away
12. 1.787 km SSE of Atka, AKFri, Sep 25, 9:13 AM HADT · 2195 days ago · 39 km deep · 92 km away
13. 1.915 km WSW of Atka, AlaskaFri, Sep 25, 3:24 PM HADT · 2195 days ago · 170 km deep · 70 km away
14. 3.076 km E of Adak, AlaskaFri, Sep 25, 5:39 PM HADT · 2195 days ago · 98 km deep · 50 km away
15. 1.95 km NW of Atka, AlaskaSat, Sep 26, 1:51 AM HADT · 2194 days ago · 152 km deep · 84 km away
16. 1.647 km ENE of Adak, AlaskaSat, Sep 26, 4:18 AM HADT · 2194 days ago · 90 km deep · 80 km away
17. 1.844 km SSE of Adak, AlaskaSat, Sep 26, 2:49 PM HADT · 2194 days ago · 31 km deep · 96 km away
18. 1.735 km SSE of Atka, AlaskaSat, Sep 26, 9:17 PM HADT · 2194 days ago · 55 km deep · 79 km away
19. 1.658 km SSE of Adak, AlaskaSun, Sep 27, 4:24 AM HADT · 2193 days ago · 24 km deep · 91 km away
20. 1.735 km ESE of Adak, AlaskaSun, Sep 27, 4:50 AM HADT · 2193 days ago · 84 km deep · 82 km away
21. 2.840 km SSW of Atka, AlaskaSun, Sep 27, 1:57 PM HADT · 2193 days ago · 76 km deep · 45 km away
22. 2.896 km ESE of Adak, AlaskaSun, Sep 27, 3:44 PM HADT · 2193 days ago · 35 km deep · 43 km away
23. 1.897 km SW of Atka, AlaskaMon, Sep 28, 12:40 AM HADT · 2192 days ago · 25 km deep · 17 km away
24. 2.325 km S of Atka, AlaskaMon, Sep 28, 8:15 PM HADT · 2192 days ago · 145 km deep · 65 km away
25. 1.657 km WSW of Atka, AlaskaTue, Sep 29, 8:18 PM HADT · 2191 days ago · 74 km deep · 45 km away
26. 1.960 km SE of Adak, AlaskaTue, Sep 29, 9:13 PM HADT · 2191 days ago · 23 km deep · 75 km away
27. 5.376 km SW of Atka, AlaskaThu, Oct 1, 1:25 AM HADT · 2189 days ago · 40 km deep · 6 km away · felt by 2
28. 4.090 km SSW of Atka, AlaskaThu, Oct 1, 4:07 PM HADT · 2189 days ago · 35 km deep · 16 km away
29. 1.683 km SW of Atka, AlaskaThu, Oct 1, 11:25 PM HADT · 2188 days ago · 26 km deep · 6 km away
30. 1.681 km SW of Atka, AlaskaFri, Oct 2, 5:45 AM HADT · 2188 days ago · 30 km deep · 3 km away
31. 2.052 km E of Adak, AlaskaFri, Oct 2, 10:04 AM HADT · 2188 days ago · 149 km deep · 67 km away
32. 2.586 km SW of Atka, AlaskaFri, Oct 2, 11:06 AM HADT · 2188 days ago · 34 km deep · 9 km away
33. 3.784 km SW of Atka, AlaskaFri, Oct 2, 5:33 PM HADT · 2188 days ago · 35 km deep · 6 km away · felt by 1
34. 1.7Andreanof Islands, Aleutian Islands, AlaskaFri, Oct 2, 7:12 PM HADT · 2188 days ago · 7 km deep · 59 km away
35. 1.576 km S of Atka, AlaskaFri, Oct 2, 11:19 PM HADT · 2187 days ago · 22 km deep · 47 km away
36. 1.586 km SSW of Atka, AlaskaSat, Oct 3, 12:29 AM HADT · 2187 days ago · 26 km deep · 15 km away
37. 1.857 km SE of Adak, AlaskaSat, Oct 3, 2:00 AM HADT · 2187 days ago · 46 km deep · 78 km away
38. 2.336 km W of Atka, AlaskaSat, Oct 3, 4:23 AM HADT · 2187 days ago · 200 km deep · 65 km away
39. 1.881 km SW of Atka, AlaskaSat, Oct 3, 5:05 AM HADT · 2187 days ago · 18 km deep · 6 km away
40. 3.886 km SW of Atka, AlaskaSat, Oct 3, 5:52 AM HADT · 2187 days ago · 24 km deep · 7 km away
41. 1.749 km S of Atka, AlaskaSat, Oct 3, 11:05 AM HADT · 2187 days ago · 23 km deep · 62 km away
42. 1.841 km SSE of Adak, AlaskaSat, Oct 3, 6:01 PM HADT · 2187 days ago · 31 km deep · 94 km away
43. 1.987 km ESE of Adak, AlaskaSun, Oct 4, 1:59 PM HADT · 2186 days ago · 39 km deep · 43 km away
44. 3.044 km SE of Adak, AlaskaSun, Oct 4, 2:07 PM HADT · 2186 days ago · 59 km deep · 78 km away
45. 2.659 km SSE of Adak, AlaskaSun, Oct 4, 10:34 PM HADT · 2186 days ago · 35 km deep · 98 km away
46. 2.275 km ENE of Adak, AlaskaMon, Oct 5, 6:40 PM HADT · 2185 days ago · 170 km deep · 85 km away
47. 3.164 km SE of Adak, AlaskaThu, Oct 8, 3:29 PM HADT · 2182 days ago · 35 km deep · 71 km away
48. 3.335 km E of Adak, AlaskaFri, Oct 9, 12:44 AM HADT · 2181 days ago · 89 km deep · 83 km away
49. 2.218 km SE of Atka, AlaskaFri, Oct 9, 7:46 AM HADT · 2181 days ago · 71 km deep · 84 km away
50. 1.882 km SW of Atka, AlaskaFri, Oct 9, 9:09 AM HADT · 2181 days ago · 26 km deep · 9 km away
51. 3.068 km SSE of Adak, AlaskaFri, Oct 9, 9:36 AM HADT · 2181 days ago · 35 km deep · 86 km away
52. 4.368 km SSE of Adak, AlaskaFri, Oct 9, 10:24 AM HADT · 2181 days ago · 28 km deep · 83 km away
53. 2.160 km SSE of Adak, AlaskaFri, Oct 9, 1:10 PM HADT · 2181 days ago · 24 km deep · 91 km away
54. 2.578 km SSE of Adak, AlaskaSat, Oct 10, 1:51 AM HADT · 2180 days ago · 35 km deep · 90 km away
55. 2.879 km W of Atka, AlaskaSun, Oct 11, 12:27 AM HADT · 2179 days ago · 228 km deep · 66 km away
56. 1.742 km ESE of Adak, AlaskaSun, Oct 11, 6:16 AM HADT · 2179 days ago · 63 km deep · 75 km away
57. 1.851 km SSE of Atka, AlaskaSun, Oct 11, 7:34 AM HADT · 2179 days ago · 25 km deep · 65 km away
58. 2.588 km NE of Adak, AlaskaSun, Oct 11, 2:00 PM HADT · 2179 days ago · 167 km deep · 92 km away
59. 1.532 km SE of Adak, AlaskaSun, Oct 11, 2:36 PM HADT · 2179 days ago · 25 km deep · 91 km away
60. 3.945 km SE of Atka, AlaskaSun, Oct 11, 11:05 PM HADT · 2178 days ago · 20 km deep · 93 km away

The first 60 of 123.

Before

1. 3.384 km W of Atka, AlaskaTue, Sep 22, 8:39 AM HADT · 2198 days ago · 144 km deep · 72 km away
2. 2.056 km SE of Adak, AlaskaSat, Sep 19, 7:25 AM HADT · 2201 days ago · 32 km deep · 73 km away
3. 1.756 km SE of Atka, AlaskaSat, Sep 19, 7:12 AM HADT · 2201 days ago · 43 km deep · 96 km away
4. 2.660 km SSW of Atka, AlaskaSat, Sep 19, 5:02 AM HADT · 2201 days ago · 30 km deep · 27 km away
5. 1.933 km NW of Atka, AlaskaSat, Sep 19, 2:16 AM HADT · 2201 days ago · 162 km deep · 88 km away
6. 1.693 km ESE of Adak, AlaskaThu, Sep 17, 1:08 PM HADT · 2203 days ago · 26 km deep · 27 km away
7. 4.051 km SSE of Adak, AlaskaWed, Sep 16, 5:57 AM HADT · 2204 days ago · 35 km deep · 97 km away
8. 1.996 km ESE of Adak, AlaskaWed, Sep 16, 3:47 AM HADT · 2204 days ago · 29 km deep · 23 km away
9. 1.662 km SE of Adak, AlaskaTue, Sep 15, 6:35 PM HADT · 2205 days ago · 24 km deep · 69 km away
10. 3.067 km SSE of Adak, AlaskaTue, Sep 15, 3:58 PM HADT · 2205 days ago · 22 km deep · 84 km away
11. 3.875 km SE of Adak, AlaskaTue, Sep 15, 3:51 PM HADT · 2205 days ago · 26 km deep · 79 km away · felt by 1
12. 2.672 km ENE of Adak, AlaskaTue, Sep 15, 10:09 AM HADT · 2205 days ago · 190 km deep · 65 km away
13. 2.637 km NW of Atka, AlaskaMon, Sep 14, 7:45 PM HADT · 2206 days ago · 220 km deep · 87 km away
14. 2.270 km E of Adak, AlaskaMon, Sep 14, 6:33 PM HADT · 2206 days ago · 197 km deep · 58 km away
15. 2.851 km E of Adak, AlaskaMon, Sep 14, 5:34 PM HADT · 2206 days ago · 80 km deep · 67 km away
16. 1.651 km SE of Adak, AlaskaMon, Sep 14, 3:57 PM HADT · 2206 days ago · 45 km deep · 80 km away
17. 1.739 km SW of Atka, AlaskaMon, Sep 14, 1:04 PM HADT · 2206 days ago · 75 km deep · 43 km away
18. 2.678 km WSW of Atka, AlaskaMon, Sep 14, 7:08 AM HADT · 2206 days ago · 251 km deep · 48 km away
19. 2.942 km SE of Atka, AlaskaSun, Sep 13, 1:19 PM HADT · 2207 days ago · 98 km deep · 86 km away
20. 2.64 km SSW of Atka, AlaskaSun, Sep 13, 6:16 AM HADT · 2207 days ago · 162 km deep · 78 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020c9kphyf. Read Tue, Sep 29, 2026, 7:06 PM UTC.