M1.7 earthquake 67 km SW of Atka, Alaska

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Aug 23, 2020, 6:05 AM HADT

UTC

2020-08-23 15:05:14 UTC

Depth

40.1 km (24.9 mi), shallow

Epicenter

51.779° N, 174.918° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

20

After

1. 2.214 km ENE of Atka, AlaskaSun, Aug 23, 1:15 PM HADT · 2231 days ago · 101 km deep · 81 km away
2. 1.558 km SE of Adak, AlaskaSun, Aug 23, 5:21 PM HADT · 2231 days ago · 26 km deep · 92 km away
3. 2.770 km ENE of Adak, AlaskaMon, Aug 24, 1:35 AM HADT · 2231 days ago · 152 km deep · 68 km away
4. 1.850 km S of Atka, AlaskaMon, Aug 24, 5:06 AM HADT · 2230 days ago · 26 km deep · 40 km away
5. 3.054 km SW of Atka, AlaskaMon, Aug 24, 7:09 AM HADT · 2230 days ago · 75 km deep · 14 km away
6. 1.829 km ESE of Adak, AlaskaMon, Aug 24, 10:17 AM HADT · 2230 days ago · 65 km deep · 90 km away
7. 4.072 km NE of Adak, AlaskaMon, Aug 24, 6:07 PM HADT · 2230 days ago · 153 km deep · 84 km away
8. 2.147 km NE of Adak, AlaskaMon, Aug 24, 8:28 PM HADT · 2230 days ago · 130 km deep · 91 km away
9. 1.976 km ENE of Adak, AlaskaTue, Aug 25, 11:20 AM HADT · 2229 days ago · 162 km deep · 74 km away
10. 2.119 km WSW of Atka, AlaskaTue, Aug 25, 2:20 PM HADT · 2229 days ago · 5 km deep · 49 km away
11. 2.679 km SW of Atka, AlaskaTue, Aug 25, 4:47 PM HADT · 2229 days ago · 25 km deep · 17 km away
12. 1.958 km ENE of Adak, AlaskaTue, Aug 25, 5:56 PM HADT · 2229 days ago · 123 km deep · 73 km away
13. 2.040 km E of Adak, AlaskaWed, Aug 26, 2:28 AM HADT · 2229 days ago · 130 km deep · 79 km away
14. 1.817 km W of Atka, AlaskaWed, Aug 26, 6:09 AM HADT · 2228 days ago · 99 km deep · 56 km away
15. 1.6102 km ESE of Adak, AlaskaWed, Aug 26, 2:29 PM HADT · 2228 days ago · 30 km deep · 39 km away
16. 1.5120 km SSW of Atka, AlaskaWed, Aug 26, 6:46 PM HADT · 2228 days ago · 9 km deep · 57 km away
17. 1.540 km SSE of Atka, AlaskaWed, Aug 26, 10:04 PM HADT · 2228 days ago · 50 km deep · 60 km away
18. 1.685 km WSW of Atka, AlaskaFri, Aug 28, 9:16 PM HADT · 2226 days ago · 59 km deep · 31 km away
19. 2.223 km W of Atka, AlaskaSat, Aug 29, 3:45 AM HADT · 2225 days ago · 162 km deep · 50 km away
20. 2.7102 km ESE of Adak, AlaskaSat, Aug 29, 1:52 PM HADT · 2225 days ago · 35 km deep · 39 km away
21. 1.596 km ESE of Adak, AlaskaSat, Aug 29, 7:40 PM HADT · 2225 days ago · 26 km deep · 42 km away
22. 1.550 km ESE of Adak, AlaskaSun, Aug 30, 9:13 AM HADT · 2224 days ago · 50 km deep · 77 km away
23. 1.794 km ESE of Adak, AlaskaSun, Aug 30, 7:42 PM HADT · 2224 days ago · 33 km deep · 32 km away
24. 3.28 km WNW of Atka, AlaskaMon, Aug 31, 3:28 AM HADT · 2224 days ago · 195 km deep · 63 km away
25. 2.660 km S of Atka, AlaskaThu, Sep 3, 8:48 PM HADT · 2220 days ago · 35 km deep · 45 km away
26. 2.655 km SE of Atka, AlaskaThu, Sep 3, 11:10 PM HADT · 2220 days ago · 74 km deep · 89 km away
27. 2.074 km ENE of Adak, AlaskaFri, Sep 4, 3:15 AM HADT · 2220 days ago · 91 km deep · 52 km away
28. 1.766 km SW of Atka, AlaskaSat, Sep 5, 8:20 PM HADT · 2218 days ago · 9 km deep · 4 km away
29. 1.965 km SE of Adak, AlaskaSun, Sep 6, 5:28 AM HADT · 2217 days ago · 26 km deep · 78 km away
30. 2.145 km ENE of Adak, AlaskaMon, Sep 7, 1:39 AM HADT · 2217 days ago · 127 km deep · 79 km away
31. 1.684 km WSW of Atka, AlaskaMon, Sep 7, 7:22 AM HADT · 2216 days ago · 72 km deep · 29 km away
32. 1.858 km SSE of Adak, AlaskaMon, Sep 7, 7:32 AM HADT · 2216 days ago · 25 km deep · 96 km away
33. 1.849 km SE of Atka, AlaskaWed, Sep 9, 3:13 AM HADT · 2215 days ago · 82 km deep · 83 km away
34. 1.953 km SE of Adak, AlaskaThu, Sep 10, 1:40 AM HADT · 2214 days ago · 26 km deep · 92 km away
35. 1.555 km SE of Adak, AlaskaThu, Sep 10, 6:18 AM HADT · 2213 days ago · 24 km deep · 91 km away
36. 3.721 km S of Atka, AlaskaThu, Sep 10, 6:59 AM HADT · 2213 days ago · 71 km deep · 53 km away
37. 2.463 km NE of Adak, AlaskaThu, Sep 10, 5:07 PM HADT · 2213 days ago · 210 km deep · 96 km away
38. 1.875 km SE of Adak, AlaskaFri, Sep 11, 11:21 AM HADT · 2212 days ago · 23 km deep · 78 km away
39. 1.982 km SE of Adak, AlaskaFri, Sep 11, 2:20 PM HADT · 2212 days ago · 26 km deep · 77 km away
40. 2.787 km SE of Adak, AlaskaFri, Sep 11, 2:37 PM HADT · 2212 days ago · 26 km deep · 74 km away
41. 2.7Andreanof Islands, Aleutian Islands, AlaskaFri, Sep 11, 10:30 PM HADT · 2212 days ago · 32 km deep · 79 km away
42. 1.979 km SSW of Atka, AlaskaSat, Sep 12, 9:56 PM HADT · 2211 days ago · 13 km deep · 34 km away
43. 1.679 km SE of Adak, AlaskaSun, Sep 13, 1:52 AM HADT · 2211 days ago · 22 km deep · 76 km away
44. 1.587 km ESE of Adak, AlaskaSun, Sep 13, 2:24 AM HADT · 2211 days ago · 20 km deep · 49 km away
45. 2.64 km SSW of Atka, AlaskaSun, Sep 13, 6:16 AM HADT · 2210 days ago · 162 km deep · 64 km away
46. 2.942 km SE of Atka, AlaskaSun, Sep 13, 1:19 PM HADT · 2210 days ago · 98 km deep · 78 km away
47. 2.678 km WSW of Atka, AlaskaMon, Sep 14, 7:08 AM HADT · 2209 days ago · 251 km deep · 37 km away
48. 1.739 km SW of Atka, AlaskaMon, Sep 14, 1:04 PM HADT · 2209 days ago · 75 km deep · 28 km away
49. 2.940 km ESE of Atka, AlaskaMon, Sep 14, 1:05 PM HADT · 2209 days ago · 10 km deep · 94 km away
50. 1.651 km SE of Adak, AlaskaMon, Sep 14, 3:57 PM HADT · 2209 days ago · 45 km deep · 87 km away
51. 2.851 km E of Adak, AlaskaMon, Sep 14, 5:34 PM HADT · 2209 days ago · 80 km deep · 68 km away
52. 2.270 km E of Adak, AlaskaMon, Sep 14, 6:33 PM HADT · 2209 days ago · 197 km deep · 52 km away
53. 2.637 km NW of Atka, AlaskaMon, Sep 14, 7:45 PM HADT · 2209 days ago · 220 km deep · 70 km away
54. 2.672 km ENE of Adak, AlaskaTue, Sep 15, 10:09 AM HADT · 2208 days ago · 190 km deep · 57 km away
55. 3.875 km SE of Adak, AlaskaTue, Sep 15, 3:51 PM HADT · 2208 days ago · 26 km deep · 90 km away · felt by 1
56. 3.067 km SSE of Adak, AlaskaTue, Sep 15, 3:58 PM HADT · 2208 days ago · 22 km deep · 94 km away
57. 1.662 km SE of Adak, AlaskaTue, Sep 15, 6:35 PM HADT · 2208 days ago · 24 km deep · 78 km away
58. 1.996 km ESE of Adak, AlaskaWed, Sep 16, 3:47 AM HADT · 2207 days ago · 29 km deep · 33 km away
59. 1.693 km ESE of Adak, AlaskaThu, Sep 17, 1:08 PM HADT · 2206 days ago · 26 km deep · 36 km away
60. 1.933 km NW of Atka, AlaskaSat, Sep 19, 2:16 AM HADT · 2205 days ago · 162 km deep · 71 km away

The first 60 of 136.

Before

1. 2.668 km SSE of Atka, AlaskaSun, Aug 23, 2:29 AM HADT · 2232 days ago · 28 km deep · 81 km away
2. 1.587 km SW of Atka, AlaskaSat, Aug 22, 5:06 AM HADT · 2232 days ago · 28 km deep · 20 km away
3. 2.8Andreanof Islands, Aleutian Islands, AlaskaSat, Aug 22, 1:49 AM HADT · 2233 days ago · 205 km deep · 74 km away
4. 2.99 km WSW of Atka, AlaskaFri, Aug 21, 4:09 PM HADT · 2233 days ago · 222 km deep · 60 km away
5. 1.867 km SE of Adak, AlaskaFri, Aug 21, 8:02 AM HADT · 2233 days ago · 25 km deep · 68 km away
6. 1.953 km ENE of Adak, AlaskaThu, Aug 20, 10:07 PM HADT · 2234 days ago · 218 km deep · 79 km away
7. 1.564 km SSE of Atka, AlaskaThu, Aug 20, 8:40 PM HADT · 2234 days ago · 3 km deep · 73 km away
8. 1.824 km SSW of Atka, AlaskaThu, Aug 20, 6:20 PM HADT · 2234 days ago · 171 km deep · 46 km away
9. 3.48 km ESE of Atka, AlaskaThu, Aug 20, 10:12 AM HADT · 2234 days ago · 184 km deep · 72 km away
10. 1.835 km ENE of Adak, AlaskaTue, Aug 18, 11:31 PM HADT · 2236 days ago · 128 km deep · 91 km away
11. 3.638 km SE of Adak, AlaskaTue, Aug 18, 4:11 AM HADT · 2236 days ago · 68 km deep · 88 km away
12. 2.336 km NNW of Atka, AlaskaTue, Aug 18, 2:42 AM HADT · 2237 days ago · 193 km deep · 88 km away
13. 3.971 km NE of Adak, AlaskaMon, Aug 17, 11:19 PM HADT · 2237 days ago · 154 km deep · 86 km away
14. 1.658 km SW of Atka, AlaskaMon, Aug 17, 11:03 PM HADT · 2237 days ago · 58 km deep · 9 km away
15. 2.179 km NE of Adak, AlaskaMon, Aug 17, 8:58 PM HADT · 2237 days ago · 186 km deep · 86 km away
16. 1.773 km W of Atka, AlaskaMon, Aug 17, 1:53 AM HADT · 2238 days ago · 86 km deep · 43 km away
17. 2.842 km ENE of Adak, AlaskaSun, Aug 16, 5:17 PM HADT · 2238 days ago · 159 km deep · 83 km away
18. 1.770 km SSW of Atka, AlaskaSat, Aug 15, 8:37 AM HADT · 2239 days ago · 26 km deep · 23 km away
19. 2.067 km NE of Adak, AlaskaSat, Aug 15, 12:56 AM HADT · 2240 days ago · 176 km deep · 81 km away
20. 1.757 km SSE of Adak, AlaskaFri, Aug 14, 7:34 PM HADT · 2240 days ago · 22 km deep · 98 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020aujsice. Read Fri, Oct 2, 2026, 11:58 PM UTC.