M1.6 earthquake 75 km ESE of Adak, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Aug 20, 2017, 2:00 PM HADT

UTC

2017-08-20 23:00:55 UTC

Depth

63.4 km (39.4 mi), shallow

Epicenter

51.513° N, 175.711° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

After

1. 1.563 km SSW of Atka, AlaskaSun, Aug 20, 8:33 PM HADT · 3329 days ago · 42 km deep · 73 km away
2. 1.981 km ESE of Adak, AlaskaSun, Aug 20, 11:09 PM HADT · 3329 days ago · 55 km deep · 9 km away
3. 2.243 km SSW of Adak, AlaskaMon, Aug 21, 7:05 PM HADT · 3328 days ago · 25 km deep · 74 km away
4. 2.365 km ENE of Adak, AlaskaThu, Aug 24, 3:05 AM HADT · 3326 days ago · 178 km deep · 58 km away
5. 1.754 km SE of Adak, AlaskaThu, Aug 24, 3:44 AM HADT · 3326 days ago · 26 km deep · 30 km away
6. 1.647 km SW of Adak, AlaskaThu, Aug 24, 6:27 PM HADT · 3325 days ago · 45 km deep · 97 km away
7. 1.744 km S of Adak, AlaskaThu, Aug 24, 10:54 PM HADT · 3325 days ago · 44 km deep · 68 km away
8. 2.554 km SE of Adak, AlaskaFri, Aug 25, 6:08 PM HADT · 3324 days ago · 40 km deep · 25 km away
9. 1.943 km SE of Adak, AlaskaFri, Aug 25, 11:34 PM HADT · 3324 days ago · 43 km deep · 34 km away
10. 2.045 km SSE of Adak, AlaskaSat, Aug 26, 2:31 AM HADT · 3324 days ago · 58 km deep · 52 km away
11. 1.744 km SW of Adak, AlaskaSat, Aug 26, 2:46 AM HADT · 3324 days ago · 26 km deep · 90 km away
12. 2.040 km SSW of Adak, AlaskaSat, Aug 26, 1:01 PM HADT · 3324 days ago · 26 km deep · 83 km away
13. 2.036 km ESE of Adak, AlaskaSun, Aug 27, 6:40 AM HADT · 3323 days ago · 54 km deep · 39 km away
14. 1.953 km SW of Adak, AlaskaSun, Aug 27, 7:27 AM HADT · 3323 days ago · 45 km deep · 95 km away
15. 2.298 km SW of Atka, AlaskaSun, Aug 27, 8:30 AM HADT · 3323 days ago · 26 km deep · 41 km away
16. 2.559 km NNE of Adak, AlaskaSun, Aug 27, 1:25 PM HADT · 3323 days ago · 191 km deep · 96 km away
17. 1.760 km SSE of Adak, AlaskaSun, Aug 27, 9:47 PM HADT · 3322 days ago · 56 km deep · 53 km away
18. 1.733 km SSE of Adak, AlaskaMon, Aug 28, 12:57 AM HADT · 3322 days ago · 49 km deep · 48 km away
19. 1.746 km SSW of Atka, AlaskaMon, Aug 28, 10:11 PM HADT · 3321 days ago · 31 km deep · 88 km away
20. 1.9Andreanof Islands, Aleutian Islands, AlaskaMon, Aug 28, 11:48 PM HADT · 3321 days ago · 47 km deep · 35 km away
21. 2.1128 km SE of Adak, AlaskaTue, Aug 29, 10:22 PM HADT · 3320 days ago · 26 km deep · 54 km away
22. 1.781 km E of Adak, AlaskaWed, Aug 30, 2:10 PM HADT · 3320 days ago · 15 km deep · 30 km away
23. 2.456 km S of Adak, AlaskaWed, Aug 30, 2:38 PM HADT · 3320 days ago · 22 km deep · 57 km away
24. 2.543 km ENE of Adak, AlaskaWed, Aug 30, 9:48 PM HADT · 3319 days ago · 165 km deep · 59 km away
25. 1.959 km SE of Adak, AlaskaThu, Aug 31, 1:15 PM HADT · 3319 days ago · 45 km deep · 27 km away
26. 1.770 km SSE of Adak, AlaskaFri, Sep 1, 6:34 AM HADT · 3318 days ago · 17 km deep · 56 km away
27. 2.352 km SE of Adak, AlaskaFri, Sep 1, 11:50 PM HADT · 3317 days ago · 44 km deep · 32 km away
28. 3.170 km ESE of Adak, AlaskaSun, Sep 3, 4:49 AM HADT · 3316 days ago · 46 km deep · 18 km away
29. 3.812 km E of Adak, AlaskaSun, Sep 3, 5:56 AM HADT · 3316 days ago · 72 km deep · 64 km away
30. 2.237 km SSE of Adak, AlaskaMon, Sep 4, 3:13 AM HADT · 3315 days ago · 42 km deep · 46 km away
31. 1.646 km SE of Adak, AlaskaMon, Sep 4, 7:16 AM HADT · 3315 days ago · 25 km deep · 35 km away
32. 2.224 km SE of Adak, AlaskaThu, Sep 7, 4:07 AM HADT · 3312 days ago · 59 km deep · 53 km away
33. 2.437 km W of Atka, AlaskaThu, Sep 7, 5:57 PM HADT · 3311 days ago · 13 km deep · 100 km away
34. 2.6104 km SSW of Atka, AlaskaFri, Sep 8, 7:17 AM HADT · 3311 days ago · 33 km deep · 66 km away
35. 2.154 km SW of Adak, AlaskaSat, Sep 9, 6:18 AM HADT · 3310 days ago · 41 km deep · 98 km away
36. 1.993 km ESE of Adak, AlaskaSat, Sep 9, 7:28 AM HADT · 3310 days ago · 48 km deep · 34 km away
37. 2.247 km ENE of Adak, AlaskaSat, Sep 9, 10:23 PM HADT · 3309 days ago · 156 km deep · 57 km away
38. 2.357 km E of Adak, AlaskaSun, Sep 10, 1:43 AM HADT · 3309 days ago · 194 km deep · 49 km away
39. 2.186 km ESE of Adak, AlaskaMon, Sep 11, 4:28 AM HADT · 3308 days ago · 48 km deep · 11 km away
40. 2.322 km NE of Adak, AlaskaTue, Sep 12, 7:09 AM HADT · 3307 days ago · 12 km deep · 72 km away
41. 1.851 km SSW of Atka, AlaskaWed, Sep 13, 7:05 AM HADT · 3306 days ago · 29 km deep · 94 km away
42. 1.849 km WSW of Atka, AlaskaWed, Sep 13, 7:52 AM HADT · 3306 days ago · 7 km deep · 80 km away
43. 2.380 km SW of Atka, AlaskaFri, Sep 15, 2:07 PM HADT · 3304 days ago · 13 km deep · 50 km away
44. 2.749 km SE of Adak, AlaskaSun, Sep 17, 12:19 AM HADT · 3302 days ago · 46 km deep · 28 km away
45. 1.951 km WSW of Atka, AlaskaSun, Sep 17, 6:31 AM HADT · 3302 days ago · 111 km deep · 78 km away
46. 1.855 km SW of Atka, AlaskaSun, Sep 17, 11:09 AM HADT · 3302 days ago · 86 km deep · 74 km away
47. 2.157 km SE of Adak, AlaskaMon, Sep 18, 7:24 AM HADT · 3301 days ago · 49 km deep · 19 km away
48. 1.850 km SW of Adak, AlaskaWed, Sep 20, 8:42 PM HADT · 3298 days ago · 44 km deep · 100 km away
49. 2.567 km SW of Atka, AlaskaThu, Sep 21, 5:32 PM HADT · 3297 days ago · 27 km deep · 61 km away
50. 2.373 km SE of Adak, AlaskaFri, Sep 22, 8:34 AM HADT · 3297 days ago · 44 km deep · 21 km away
51. 2.358 km ESE of Adak, AlaskaSat, Sep 23, 2:43 AM HADT · 3296 days ago · 45 km deep · 19 km away
52. 2.669 km NE of Adak, AlaskaSat, Sep 23, 2:57 AM HADT · 3296 days ago · 189 km deep · 83 km away
53. 2.879 km SE of Adak, AlaskaSat, Sep 23, 10:17 AM HADT · 3296 days ago · 35 km deep · 25 km away
54. 2.362 km S of Adak, AlaskaSat, Sep 23, 6:15 PM HADT · 3295 days ago · 13 km deep · 58 km away
55. 1.648 km S of Adak, AlaskaSat, Sep 23, 9:48 PM HADT · 3295 days ago · 21 km deep · 58 km away
56. 2.257 km NE of Adak, AlaskaSun, Sep 24, 12:37 AM HADT · 3295 days ago · 147 km deep · 92 km away
57. 1.965 km SE of Adak, AlaskaSun, Sep 24, 4:32 AM HADT · 3295 days ago · 35 km deep · 15 km away
58. 1.943 km SW of Adak, AlaskaMon, Sep 25, 4:34 AM HADT · 3294 days ago · 47 km deep · 95 km away
59. 1.545 km WSW of Atka, AlaskaMon, Sep 25, 8:27 AM HADT · 3294 days ago · 25 km deep · 83 km away
60. 2.498 km ESE of Adak, AlaskaTue, Sep 26, 9:53 PM HADT · 3292 days ago · 38 km deep · 28 km away

The first 60 of 94.

Before

1. 1.561 km SW of Atka, AlaskaSat, Aug 19, 1:10 PM HADT · 3331 days ago · 43 km deep · 70 km away
2. 1.610 km WSW of Adak, AlaskaWed, Aug 16, 2:07 PM HADT · 3334 days ago · 64 km deep · 83 km away
3. 1.843 km S of Adak, AlaskaWed, Aug 16, 10:06 AM HADT · 3334 days ago · 24 km deep · 62 km away
4. 2.316 km SSW of Adak, AlaskaWed, Aug 16, 7:22 AM HADT · 3334 days ago · 68 km deep · 76 km away
5. 1.864 km SSW of Adak, AlaskaMon, Aug 14, 9:27 AM HADT · 3336 days ago · 36 km deep · 93 km away
6. 2.266 km SSE of Adak, AlaskaMon, Aug 14, 7:06 AM HADT · 3336 days ago · 25 km deep · 32 km away
7. 4.67 km W of Adak, AlaskaSun, Aug 13, 2:24 PM HADT · 3337 days ago · 78 km deep · 82 km away
8. 1.847 km SE of Adak, AlaskaSat, Aug 12, 7:30 PM HADT · 3337 days ago · 47 km deep · 35 km away
9. 2.223 km SSE of Adak, AlaskaSat, Aug 12, 5:07 PM HADT · 3337 days ago · 59 km deep · 61 km away
10. 1.932 km SSW of Atka, AlaskaSat, Aug 12, 3:29 PM HADT · 3337 days ago · 71 km deep · 100 km away
11. 1.5113 km SSW of Atka, AlaskaSat, Aug 12, 7:39 AM HADT · 3338 days ago · 17 km deep · 47 km away
12. 2.575 km W of Atka, AlaskaSat, Aug 12, 6:58 AM HADT · 3338 days ago · 244 km deep · 87 km away
13. 1.959 km ESE of Adak, AlaskaFri, Aug 11, 10:04 PM HADT · 3338 days ago · 54 km deep · 24 km away
14. 1.985 km ENE of Adak, AlaskaFri, Aug 11, 3:36 PM HADT · 3338 days ago · 102 km deep · 63 km away
15. 2.169 km S of Atka, AlaskaFri, Aug 11, 11:28 AM HADT · 3339 days ago · 15 km deep · 97 km away
16. 2.272 km S of Atka, AlaskaThu, Aug 10, 11:42 PM HADT · 3339 days ago · 14 km deep · 99 km away
17. 1.738 km SSE of Adak, AlaskaWed, Aug 9, 8:32 PM HADT · 3340 days ago · 45 km deep · 47 km away
18. 1.557 km SW of Atka, AlaskaWed, Aug 9, 3:40 PM HADT · 3340 days ago · 33 km deep · 73 km away
19. 2.337 km SW of Adak, AlaskaWed, Aug 9, 1:05 PM HADT · 3341 days ago · 58 km deep · 94 km away
20. 1.5Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 9, 12:03 PM HADT · 3341 days ago · 22 km deep · 50 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak017ao2dlsj (also filed as ak16750955). Read Fri, Oct 2, 2026, 11:47 AM UTC.