M1.5 earthquake 63 km SSW of Atka, Alaska

Magnitude

1.5 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Aug 20, 2017, 8:33 PM HADT

UTC

2017-08-21 05:33:18 UTC

Depth

41.5 km (25.8 mi), shallow

Epicenter

51.717° N, 174.702° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

16

After

1. 1.981 km ESE of Adak, AlaskaSun, Aug 20, 11:09 PM HADT · 3329 days ago · 55 km deep · 64 km away
2. 2.365 km ENE of Adak, AlaskaThu, Aug 24, 3:05 AM HADT · 3326 days ago · 178 km deep · 78 km away
3. 2.064 km SSE of Atka, AlaskaFri, Aug 25, 8:10 AM HADT · 3324 days ago · 22 km deep · 67 km away
4. 2.945 km E of Atka, AlaskaFri, Aug 25, 9:11 AM HADT · 3324 days ago · 174 km deep · 99 km away
5. 2.554 km SE of Adak, AlaskaFri, Aug 25, 6:08 PM HADT · 3324 days ago · 40 km deep · 97 km away
6. 2.298 km SW of Atka, AlaskaSun, Aug 27, 8:30 AM HADT · 3322 days ago · 26 km deep · 36 km away
7. 2.045 km E of Atka, AlaskaSun, Aug 27, 4:52 PM HADT · 3322 days ago · 13 km deep · 94 km away
8. 3.929 km ESE of Atka, AlaskaMon, Aug 28, 10:31 AM HADT · 3321 days ago · 71 km deep · 78 km away
9. 1.746 km SSW of Atka, AlaskaMon, Aug 28, 10:11 PM HADT · 3321 days ago · 31 km deep · 17 km away
10. 1.9Andreanof Islands, Aleutian Islands, AlaskaMon, Aug 28, 11:48 PM HADT · 3321 days ago · 47 km deep · 39 km away
11. 2.1128 km SE of Adak, AlaskaTue, Aug 29, 10:22 PM HADT · 3320 days ago · 26 km deep · 68 km away
12. 1.781 km E of Adak, AlaskaWed, Aug 30, 2:10 PM HADT · 3319 days ago · 15 km deep · 53 km away
13. 2.543 km ENE of Adak, AlaskaWed, Aug 30, 9:48 PM HADT · 3319 days ago · 165 km deep · 97 km away
14. 3.979 km S of Atka, AlaskaFri, Sep 1, 3:07 AM HADT · 3318 days ago · 43 km deep · 53 km away
15. 1.789 km S of Atka, AlaskaFri, Sep 1, 3:13 AM HADT · 3318 days ago · 16 km deep · 56 km away
16. 3.170 km ESE of Adak, AlaskaSun, Sep 3, 4:49 AM HADT · 3316 days ago · 46 km deep · 67 km away
17. 2.458 km SSE of Atka, AlaskaSun, Sep 3, 6:50 PM HADT · 3315 days ago · 7 km deep · 55 km away
18. 2.840 km ESE of Atka, AlaskaSun, Sep 3, 7:14 PM HADT · 3315 days ago · 168 km deep · 85 km away
19. 2.437 km W of Atka, AlaskaThu, Sep 7, 5:57 PM HADT · 3311 days ago · 13 km deep · 52 km away
20. 1.945 km SE of Atka, AlaskaThu, Sep 7, 6:58 PM HADT · 3311 days ago · 12 km deep · 63 km away
21. 2.6104 km SSW of Atka, AlaskaFri, Sep 8, 7:17 AM HADT · 3311 days ago · 33 km deep · 43 km away
22. 2.077 km SE of Atka, AlaskaFri, Sep 8, 11:58 PM HADT · 3310 days ago · 13 km deep · 97 km away
23. 1.993 km ESE of Adak, AlaskaSat, Sep 9, 7:28 AM HADT · 3310 days ago · 48 km deep · 42 km away
24. 2.247 km ENE of Adak, AlaskaSat, Sep 9, 10:23 PM HADT · 3309 days ago · 156 km deep · 93 km away
25. 2.357 km E of Adak, AlaskaSun, Sep 10, 1:43 AM HADT · 3309 days ago · 194 km deep · 80 km away
26. 4.032 km NNW of Atka, AlaskaSun, Sep 10, 4:42 AM HADT · 3309 days ago · 238 km deep · 88 km away
27. 2.186 km ESE of Adak, AlaskaMon, Sep 11, 4:28 AM HADT · 3308 days ago · 48 km deep · 68 km away
28. 1.967 km SE of Atka, AlaskaMon, Sep 11, 12:02 PM HADT · 3307 days ago · 33 km deep · 90 km away
29. 3.010 km SSW of Atka, AlaskaMon, Sep 11, 11:26 PM HADT · 3307 days ago · 229 km deep · 53 km away
30. 1.851 km SSW of Atka, AlaskaWed, Sep 13, 7:05 AM HADT · 3306 days ago · 29 km deep · 20 km away
31. 1.849 km WSW of Atka, AlaskaWed, Sep 13, 7:52 AM HADT · 3305 days ago · 7 km deep · 29 km away
32. 2.811 km SSW of Atka, AlaskaWed, Sep 13, 3:07 PM HADT · 3305 days ago · 79 km deep · 52 km away
33. 2.380 km SW of Atka, AlaskaFri, Sep 15, 2:07 PM HADT · 3303 days ago · 13 km deep · 24 km away
34. 2.749 km SE of Adak, AlaskaSun, Sep 17, 12:19 AM HADT · 3302 days ago · 46 km deep · 99 km away
35. 1.951 km WSW of Atka, AlaskaSun, Sep 17, 6:31 AM HADT · 3302 days ago · 111 km deep · 29 km away
36. 1.855 km SW of Atka, AlaskaSun, Sep 17, 11:09 AM HADT · 3301 days ago · 86 km deep · 20 km away
37. 2.157 km SE of Adak, AlaskaMon, Sep 18, 7:24 AM HADT · 3301 days ago · 49 km deep · 90 km away
38. 2.567 km SW of Atka, AlaskaThu, Sep 21, 5:32 PM HADT · 3297 days ago · 27 km deep · 20 km away
39. 2.373 km SE of Adak, AlaskaFri, Sep 22, 8:34 AM HADT · 3296 days ago · 44 km deep · 93 km away
40. 2.358 km ESE of Adak, AlaskaSat, Sep 23, 2:43 AM HADT · 3296 days ago · 45 km deep · 80 km away
41. 2.669 km NE of Adak, AlaskaSat, Sep 23, 2:57 AM HADT · 3296 days ago · 189 km deep · 98 km away
42. 2.879 km SE of Adak, AlaskaSat, Sep 23, 10:17 AM HADT · 3295 days ago · 35 km deep · 94 km away
43. 1.965 km SE of Adak, AlaskaSun, Sep 24, 4:32 AM HADT · 3295 days ago · 35 km deep · 89 km away
44. 1.545 km WSW of Atka, AlaskaMon, Sep 25, 8:27 AM HADT · 3293 days ago · 25 km deep · 31 km away
45. 2.498 km ESE of Adak, AlaskaTue, Sep 26, 9:53 PM HADT · 3292 days ago · 38 km deep · 45 km away
46. 2.426 km WNW of Atka, AlaskaWed, Sep 27, 4:31 PM HADT · 3291 days ago · 175 km deep · 68 km away
47. 2.974 km SW of Atka, AlaskaThu, Sep 28, 5:48 AM HADT · 3291 days ago · 41 km deep · 12 km away
48. 4.477 km ESE of Adak, AlaskaThu, Sep 28, 2:16 PM HADT · 3290 days ago · 42 km deep · 67 km away
49. 2.473 km SW of Atka, AlaskaThu, Sep 28, 5:01 PM HADT · 3290 days ago · 26 km deep · 20 km away
50. 2.359 km SSW of Atka, AlaskaFri, Sep 29, 6:42 AM HADT · 3290 days ago · 3 km deep · 20 km away
51. 1.631 km S of Atka, AlaskaFri, Sep 29, 2:58 PM HADT · 3289 days ago · 68 km deep · 37 km away
52. 2.784 km ESE of Adak, AlaskaFri, Sep 29, 4:55 PM HADT · 3289 days ago · 71 km deep · 51 km away
53. 2.0111 km SSE of Atka, AlaskaSat, Sep 30, 5:12 PM HADT · 3288 days ago · 35 km deep · 88 km away
54. 1.955 km ESE of Adak, AlaskaSat, Sep 30, 7:29 PM HADT · 3288 days ago · 51 km deep · 86 km away
55. 2.090 km ESE of Adak, AlaskaSun, Oct 1, 3:10 AM HADT · 3288 days ago · 50 km deep · 66 km away
56. 1.637 km SE of Atka, AlaskaSun, Oct 1, 7:04 AM HADT · 3288 days ago · 28 km deep · 70 km away
57. 1.644 km SSW of Atka, AlaskaSun, Oct 1, 11:09 AM HADT · 3287 days ago · 19 km deep · 19 km away
58. 2.442 km S of Atka, AlaskaMon, Oct 2, 7:44 PM HADT · 3286 days ago · 90 km deep · 38 km away
59. 1.980 km ESE of Adak, AlaskaMon, Oct 2, 9:18 PM HADT · 3286 days ago · 5 km deep · 54 km away
60. 1.969 km SW of Atka, AlaskaWed, Oct 4, 7:45 AM HADT · 3284 days ago · 42 km deep · 14 km away

The first 60 of 77.

Before

1. 1.675 km ESE of Adak, AlaskaSun, Aug 20, 2:00 PM HADT · 3329 days ago · 63 km deep · 73 km away
2. 3.317 km ESE of Atka, AlaskaSat, Aug 19, 5:05 PM HADT · 3330 days ago · 66 km deep · 67 km away
3. 1.561 km SW of Atka, AlaskaSat, Aug 19, 1:10 PM HADT · 3330 days ago · 43 km deep · 10 km away
4. 1.872 km SE of Atka, AlaskaTue, Aug 15, 10:21 PM HADT · 3334 days ago · 16 km deep · 78 km away
5. 2.417 km SE of Atka, AlaskaTue, Aug 15, 4:23 PM HADT · 3334 days ago · 154 km deep · 62 km away
6. 2.133 km SE of Atka, AlaskaMon, Aug 14, 9:23 PM HADT · 3335 days ago · 2 km deep · 68 km away
7. 2.128 km ESE of Atka, AlaskaMon, Aug 14, 6:09 AM HADT · 3336 days ago · 82 km deep · 76 km away
8. 1.932 km SSW of Atka, AlaskaSat, Aug 12, 3:29 PM HADT · 3337 days ago · 71 km deep · 31 km away
9. 1.669 km SSE of Atka, AlaskaSat, Aug 12, 11:04 AM HADT · 3337 days ago · 25 km deep · 60 km away
10. 1.5113 km SSW of Atka, AlaskaSat, Aug 12, 7:39 AM HADT · 3338 days ago · 17 km deep · 50 km away
11. 2.243 km SE of Atka, AlaskaSat, Aug 12, 7:25 AM HADT · 3338 days ago · 60 km deep · 64 km away
12. 2.575 km W of Atka, AlaskaSat, Aug 12, 6:58 AM HADT · 3338 days ago · 244 km deep · 72 km away
13. 1.959 km ESE of Adak, AlaskaFri, Aug 11, 10:04 PM HADT · 3338 days ago · 54 km deep · 76 km away
14. 1.985 km ENE of Adak, AlaskaFri, Aug 11, 3:36 PM HADT · 3338 days ago · 102 km deep · 62 km away
15. 2.169 km S of Atka, AlaskaFri, Aug 11, 11:28 AM HADT · 3338 days ago · 15 km deep · 32 km away
16. 2.272 km S of Atka, AlaskaThu, Aug 10, 11:42 PM HADT · 3339 days ago · 14 km deep · 35 km away
17. 1.557 km SW of Atka, AlaskaWed, Aug 9, 3:40 PM HADT · 3340 days ago · 33 km deep · 10 km away
18. 1.693 km SW of Atka, AlaskaWed, Aug 9, 5:03 AM HADT · 3341 days ago · 47 km deep · 37 km away
19. 1.738 km SSE of Atka, AlaskaWed, Aug 9, 3:35 AM HADT · 3341 days ago · 19 km deep · 46 km away
20. 2.257 km ESE of Atka, AlaskaTue, Aug 8, 5:29 PM HADT · 3341 days ago · 56 km deep · 88 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak017apfe569. Read Fri, Oct 2, 2026, 4:11 AM UTC.