M1.6 earthquake 15 km NW of Atka, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Tue, Oct 20, 2020, 12:14 PM HADT

UTC

2020-10-20 21:14:10 UTC

Depth

179.5 km (111.5 mi), intermediate-depth

Epicenter

52.310° N, 174.343° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

21

After

1. 3.071 km ESE of Atka, AlaskaWed, Oct 21, 1:26 AM HADT · 2174 days ago · 15 km deep · 86 km away
2. 2.841 km ENE of Atka, AlaskaSat, Oct 24, 2:19 AM HADT · 2171 days ago · 166 km deep · 46 km away
3. 2.934 km N of Atka, AlaskaSat, Oct 24, 8:23 AM HADT · 2171 days ago · 193 km deep · 23 km away
4. 2.079 km E of Adak, AlaskaSun, Oct 25, 8:24 PM HADT · 2169 days ago · 101 km deep · 89 km away
5. 1.723 km WNW of Atka, AlaskaMon, Oct 26, 3:16 AM HADT · 2169 days ago · 148 km deep · 10 km away
6. 1.819 km NW of Atka, AlaskaMon, Oct 26, 7:01 AM HADT · 2169 days ago · 188 km deep · 5 km away
7. 1.930 km W of Atka, AlaskaMon, Oct 26, 12:37 PM HADT · 2169 days ago · 199 km deep · 22 km away
8. 2.373 km W of Atka, AlaskaMon, Oct 26, 2:24 PM HADT · 2168 days ago · 239 km deep · 66 km away
9. 3.057 km ESE of Atka, AlaskaMon, Oct 26, 3:52 PM HADT · 2168 days ago · 76 km deep · 71 km away
10. 1.978 km E of Adak, AlaskaTue, Oct 27, 11:28 AM HADT · 2168 days ago · 68 km deep · 94 km away
11. 1.534 km SE of Atka, AlaskaTue, Oct 27, 4:09 PM HADT · 2167 days ago · 12 km deep · 51 km away
12. 1.640 km ESE of Atka, AlaskaWed, Oct 28, 7:32 PM HADT · 2166 days ago · 78 km deep · 53 km away
13. 2.755 km NNW of Atka, AlaskaWed, Oct 28, 9:47 PM HADT · 2166 days ago · 183 km deep · 40 km away
14. 2.516 km NNE of Atka, AlaskaThu, Oct 29, 3:10 PM HADT · 2165 days ago · 4 km deep · 14 km away
15. 2.285.5 km W of Adak, AKSat, Oct 31, 7:52 AM HADT · 2164 days ago · 65 km deep · 89 km away
16. 1.791 km ESE of Adak, AlaskaSat, Oct 31, 4:33 PM HADT · 2163 days ago · 40 km deep · 100 km away
17. 2.013 km SE of Atka, AlaskaSat, Oct 31, 5:42 PM HADT · 2163 days ago · 98 km deep · 29 km away
18. 2.043 km W of Atka, AlaskaTue, Nov 3, 1:28 AM HAST · 2161 days ago · 95 km deep · 38 km away
19. 1.660.7 km NE of Atka, AKTue, Nov 3, 9:55 PM HAST · 2160 days ago · 47 km deep · 63 km away
20. 2.352 km SE of Atka, AlaskaWed, Nov 4, 11:54 AM HAST · 2160 days ago · 115 km deep · 68 km away
21. 2.49 km ESE of Atka, AlaskaSat, Nov 7, 11:37 AM HAST · 2157 days ago · 158 km deep · 25 km away
22. 2.933 km NNE of Atka, AlaskaWed, Nov 11, 2:49 PM HAST · 2152 days ago · 218 km deep · 27 km away
23. 2.943 km WSW of Atka, AlaskaWed, Nov 11, 4:40 PM HAST · 2152 days ago · 247 km deep · 41 km away
24. 3.520 km ENE of Atka, AlaskaWed, Nov 11, 5:39 PM HAST · 2152 days ago · 159 km deep · 29 km away
25. 2.230 km SSW of Atka, AlaskaThu, Nov 12, 3:58 AM HAST · 2152 days ago · 61 km deep · 42 km away
26. 3.272 km ESE of Atka, AlaskaFri, Nov 13, 11:38 AM HAST · 2151 days ago · 100 km deep · 86 km away
27. 3.669 km SSW of Atka, AlaskaSun, Nov 15, 6:44 AM HAST · 2149 days ago · 25 km deep · 78 km away
28. 2.883 km SSW of Atka, AlaskaMon, Nov 16, 11:14 PM HAST · 2147 days ago · 28 km deep · 94 km away
29. 3.668 km ENE of Adak, AlaskaWed, Nov 18, 11:20 AM HAST · 2146 days ago · 156 km deep · 96 km away
30. 1.974 km SW of Atka, AlaskaThu, Nov 19, 2:17 PM HAST · 2144 days ago · 22 km deep · 77 km away
31. 1.667 km WSW of Atka, AlaskaSat, Nov 21, 3:30 PM HAST · 2142 days ago · 69 km deep · 64 km away
32. 2.056 km SSW of Atka, AlaskaMon, Nov 23, 5:18 AM HAST · 2141 days ago · 23 km deep · 63 km away
33. 2.563 km WSW of Atka, AlaskaTue, Nov 24, 10:52 PM HAST · 2139 days ago · 57 km deep · 64 km away
34. 2.079 km E of Adak, AlaskaSat, Nov 28, 3:17 PM HAST · 2135 days ago · 81 km deep · 86 km away
35. 3.056 km SSW of Atka, AlaskaMon, Nov 30, 2:37 PM HAST · 2133 days ago · 33 km deep · 64 km away
36. 3.373 km SE of Atka, AlaskaMon, Nov 30, 2:40 PM HAST · 2133 days ago · 14 km deep · 90 km away
37. 1.783 km SW of Atka, AlaskaWed, Dec 2, 9:14 PM HAST · 2131 days ago · 38 km deep · 85 km away
38. 2.974 km SW of Atka, AlaskaThu, Dec 3, 6:40 PM HAST · 2130 days ago · 63 km deep · 75 km away
39. 2.631 km N of Atka, AlaskaFri, Dec 4, 8:31 AM HAST · 2130 days ago · 170 km deep · 23 km away
40. 2.862 km S of Atka, AlaskaFri, Dec 4, 9:58 AM HAST · 2130 days ago · 35 km deep · 76 km away
41. 2.786 km E of Atka, AlaskaFri, Dec 11, 6:59 AM HAST · 2123 days ago · 112 km deep · 98 km away
42. 4.562 km N of Atka, AlaskaSun, Dec 13, 9:06 AM HAST · 2121 days ago · 182 km deep · 52 km away
43. 1.944 km SSE of Atka, AlaskaMon, Dec 14, 1:15 AM HAST · 2120 days ago · 25 km deep · 59 km away
44. 1.784 km SW of Atka, AlaskaMon, Dec 14, 7:33 AM HAST · 2120 days ago · 27 km deep · 86 km away
45. 3.048 km SSW of Atka, AlaskaMon, Dec 14, 10:06 AM HAST · 2120 days ago · 49 km deep · 60 km away
46. 1.643 km SSE of Atka, AlaskaMon, Dec 14, 10:13 AM HAST · 2120 days ago · 25 km deep · 58 km away
47. 1.931 km SSE of Atka, AlaskaTue, Dec 15, 10:27 AM HAST · 2119 days ago · 17 km deep · 48 km away
48. 2.735 km S of Atka, AlaskaTue, Dec 15, 9:42 PM HAST · 2118 days ago · 192 km deep · 49 km away
49. 4.647 km WSW of Atka, AlaskaThu, Dec 17, 6:32 AM HAST · 2117 days ago · 81 km deep · 47 km away · felt by 1
50. 2.874 km SSW of Atka, AlaskaThu, Dec 17, 6:43 AM HAST · 2117 days ago · 35 km deep · 82 km away
51. 2.722 km WSW of Atka, AlaskaThu, Dec 17, 11:12 AM HAST · 2117 days ago · 214 km deep · 24 km away
52. 2.666 km E of Adak, AlaskaFri, Dec 18, 2:06 AM HAST · 2116 days ago · 86 km deep · 99 km away
53. 2.866 km SSW of Atka, AlaskaFri, Dec 18, 4:05 AM HAST · 2116 days ago · 24 km deep · 74 km away
54. 1.925 km SSE of Atka, AlaskaFri, Dec 18, 6:53 PM HAST · 2115 days ago · 71 km deep · 41 km away
55. 3.137 km ESE of Atka, AlaskaFri, Dec 18, 9:39 PM HAST · 2115 days ago · 128 km deep · 52 km away
56. 2.056 km S of Atka, AlaskaSat, Dec 19, 2:26 AM HAST · 2115 days ago · 24 km deep · 71 km away
57. 3.1Andreanof Islands, Aleutian Islands, AlaskaSat, Dec 19, 8:40 AM HAST · 2115 days ago · 128 km deep · 88 km away

Before

1. 2.921 km S of Atka, AlaskaSat, Oct 17, 4:03 PM HADT · 2177 days ago · 195 km deep · 36 km away
2. 1.826 km SW of Atka, AlaskaSat, Oct 17, 3:27 AM HADT · 2178 days ago · 72 km deep · 34 km away
3. 3.175 km ENE of Adak, AlaskaSat, Oct 17, 1:39 AM HADT · 2178 days ago · 158 km deep · 89 km away
4. 1.986 km ENE of Adak, AlaskaSat, Oct 17, 12:03 AM HADT · 2178 days ago · 113 km deep · 78 km away
5. 2.981 km NE of Adak, AlaskaFri, Oct 16, 3:36 PM HADT · 2178 days ago · 185 km deep · 91 km away
6. 2.580 km NE of Adak, AlaskaThu, Oct 15, 10:47 AM HADT · 2180 days ago · 167 km deep · 94 km away
7. 1.737 km SW of Atka, AlaskaMon, Oct 12, 10:43 PM HADT · 2182 days ago · 64 km deep · 43 km away
8. 2.926 km WNW of Atka, AlaskaMon, Oct 12, 12:57 AM HADT · 2183 days ago · 195 km deep · 13 km away
9. 3.945 km SE of Atka, AlaskaSun, Oct 11, 11:05 PM HADT · 2183 days ago · 20 km deep · 61 km away
10. 2.588 km NE of Adak, AlaskaSun, Oct 11, 2:00 PM HADT · 2183 days ago · 167 km deep · 86 km away
11. 1.851 km SSE of Atka, AlaskaSun, Oct 11, 7:34 AM HADT · 2184 days ago · 25 km deep · 66 km away
12. 2.879 km W of Atka, AlaskaSun, Oct 11, 12:27 AM HADT · 2184 days ago · 228 km deep · 71 km away
13. 1.932 km E of Atka, AlaskaSat, Oct 10, 7:22 PM HADT · 2184 days ago · 14 km deep · 43 km away
14. 2.154 km ESE of Atka, AlaskaSat, Oct 10, 1:18 AM HADT · 2185 days ago · 53 km deep · 69 km away
15. 1.882 km SW of Atka, AlaskaFri, Oct 9, 9:09 AM HADT · 2186 days ago · 26 km deep · 89 km away
16. 2.218 km SE of Atka, AlaskaFri, Oct 9, 7:46 AM HADT · 2186 days ago · 71 km deep · 34 km away
17. 3.539 km ESE of Atka, AlaskaWed, Oct 7, 5:57 PM HADT · 2187 days ago · 14 km deep · 53 km away
18. 2.275 km ENE of Adak, AlaskaMon, Oct 5, 6:40 PM HADT · 2189 days ago · 170 km deep · 93 km away
19. 1.962 km ESE of Atka, AlaskaMon, Oct 5, 11:49 AM HADT · 2190 days ago · 53 km deep · 77 km away
20. 2.325 km NE of Atka, AlaskaSun, Oct 4, 7:04 AM HADT · 2191 days ago · 172 km deep · 30 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020dikl6pr. Read Sun, Oct 4, 2026, 9:47 AM UTC.