M1.6 earthquake 72 km SSW of Adak, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Aug 20, 2017, 5:28 PM HADT

UTC

2017-08-21 02:28:54 UTC

Depth

28.4 km (17.6 mi), shallow

Epicenter

51.302° N, 177.130° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

After

1. 2.0127 km WSW of Adak, AlaskaMon, Aug 21, 2:07 AM HADT · 3329 days ago · 9 km deep · 95 km away
2. 2.5125 km WSW of Adak, AlaskaMon, Aug 21, 4:02 PM HADT · 3328 days ago · 23 km deep · 95 km away
3. 2.243 km SSW of Adak, AlaskaMon, Aug 21, 7:05 PM HADT · 3328 days ago · 25 km deep · 32 km away
4. 2.1125 km WSW of Adak, AlaskaMon, Aug 21, 11:18 PM HADT · 3328 days ago · 11 km deep · 95 km away
5. 2.1122 km W of Adak, AlaskaTue, Aug 22, 1:54 AM HADT · 3328 days ago · 13 km deep · 99 km away
6. 2.661 km SW of Adak, AlaskaTue, Aug 22, 4:43 AM HADT · 3328 days ago · 56 km deep · 25 km away
7. 2.4127 km WSW of Adak, AlaskaTue, Aug 22, 9:24 AM HADT · 3328 days ago · 18 km deep · 92 km away
8. 1.958 km W of Adak, AlaskaTue, Aug 22, 12:21 PM HADT · 3328 days ago · 92 km deep · 59 km away
9. 1.9123 km WSW of Adak, AlaskaWed, Aug 23, 7:11 PM HADT · 3326 days ago · 15 km deep · 93 km away
10. 2.5126 km SW of Adak, AlaskaWed, Aug 23, 10:09 PM HADT · 3326 days ago · 27 km deep · 71 km away
11. 1.7121 km WSW of Adak, AlaskaThu, Aug 24, 3:30 AM HADT · 3326 days ago · 13 km deep · 94 km away
12. 1.754 km SE of Adak, AlaskaThu, Aug 24, 3:44 AM HADT · 3326 days ago · 26 km deep · 72 km away
13. 1.6126 km WSW of Adak, AlaskaThu, Aug 24, 5:53 AM HADT · 3326 days ago · 9 km deep · 91 km away
14. 1.7Andreanof Islands, Aleutian Islands, AlaskaThu, Aug 24, 10:55 AM HADT · 3326 days ago · 14 km deep · 98 km away
15. 1.8124 km WSW of Adak, AlaskaThu, Aug 24, 11:45 AM HADT · 3326 days ago · 16 km deep · 97 km away
16. 2.4145 km WSW of Adak, AlaskaThu, Aug 24, 3:36 PM HADT · 3325 days ago · 50 km deep · 94 km away
17. 1.647 km SW of Adak, AlaskaThu, Aug 24, 6:27 PM HADT · 3325 days ago · 45 km deep · 29 km away
18. 2.1126 km WSW of Adak, AlaskaThu, Aug 24, 7:29 PM HADT · 3325 days ago · 7 km deep · 93 km away
19. 2.855 km WSW of Adak, AlaskaThu, Aug 24, 7:44 PM HADT · 3325 days ago · 69 km deep · 48 km away
20. 2.5125 km WSW of Adak, AlaskaThu, Aug 24, 8:47 PM HADT · 3325 days ago · 12 km deep · 95 km away
21. 1.744 km S of Adak, AlaskaThu, Aug 24, 10:54 PM HADT · 3325 days ago · 44 km deep · 36 km away
22. 2.0127 km WSW of Adak, AlaskaFri, Aug 25, 12:52 PM HADT · 3325 days ago · 13 km deep · 96 km away
23. 2.554 km SE of Adak, AlaskaFri, Aug 25, 6:08 PM HADT · 3324 days ago · 40 km deep · 77 km away
24. 2.293 km WSW of Adak, AlaskaFri, Aug 25, 9:37 PM HADT · 3324 days ago · 68 km deep · 68 km away
25. 1.943 km SE of Adak, AlaskaFri, Aug 25, 11:34 PM HADT · 3324 days ago · 43 km deep · 73 km away
26. 2.045 km SSE of Adak, AlaskaSat, Aug 26, 2:31 AM HADT · 3324 days ago · 58 km deep · 50 km away
27. 1.744 km SW of Adak, AlaskaSat, Aug 26, 2:46 AM HADT · 3324 days ago · 26 km deep · 29 km away
28. 3.5119 km SW of Adak, AlaskaSat, Aug 26, 5:22 AM HADT · 3324 days ago · 28 km deep · 63 km away
29. 2.5129 km WSW of Adak, AlaskaSat, Aug 26, 8:46 AM HADT · 3324 days ago · 18 km deep · 91 km away
30. 2.040 km SSW of Adak, AlaskaSat, Aug 26, 1:01 PM HADT · 3324 days ago · 26 km deep · 32 km away
31. 2.1127 km WSW of Adak, AlaskaSat, Aug 26, 3:54 PM HADT · 3323 days ago · 13 km deep · 96 km away
32. 2.6102 km WSW of Adak, AlaskaSat, Aug 26, 9:31 PM HADT · 3323 days ago · 16 km deep · 58 km away
33. 2.036 km ESE of Adak, AlaskaSun, Aug 27, 6:40 AM HADT · 3323 days ago · 54 km deep · 78 km away
34. 1.953 km SW of Adak, AlaskaSun, Aug 27, 7:27 AM HADT · 3323 days ago · 45 km deep · 20 km away
35. 2.3116 km WSW of Adak, AlaskaSun, Aug 27, 11:06 AM HADT · 3323 days ago · 16 km deep · 70 km away
36. 2.1101 km SW of Adak, AlaskaSun, Aug 27, 2:58 PM HADT · 3323 days ago · 15 km deep · 48 km away
37. 2.0Andreanof Islands, Aleutian Islands, AlaskaSun, Aug 27, 3:19 PM HADT · 3322 days ago · 16 km deep · 96 km away
38. 1.8Andreanof Islands, Aleutian Islands, AlaskaSun, Aug 27, 9:08 PM HADT · 3322 days ago · 49 km deep · 80 km away
39. 1.760 km SSE of Adak, AlaskaSun, Aug 27, 9:47 PM HADT · 3322 days ago · 56 km deep · 49 km away
40. 1.733 km SSE of Adak, AlaskaMon, Aug 28, 12:57 AM HADT · 3322 days ago · 49 km deep · 62 km away
41. 1.6103 km WSW of Adak, AlaskaMon, Aug 28, 3:57 AM HADT · 3322 days ago · 17 km deep · 63 km away
42. 2.9129 km WSW of Adak, AlaskaMon, Aug 28, 6:29 AM HADT · 3322 days ago · 35 km deep · 82 km away
43. 1.6127 km WSW of Adak, AlaskaMon, Aug 28, 6:53 AM HADT · 3322 days ago · 8 km deep · 94 km away
44. 2.1107 km SW of Adak, AlaskaMon, Aug 28, 12:39 PM HADT · 3322 days ago · 26 km deep · 48 km away
45. 1.5124 km W of Adak, AlaskaMon, Aug 28, 8:32 PM HADT · 3321 days ago · 13 km deep · 99 km away
46. 2.055 km WNW of Adak, AlaskaMon, Aug 28, 9:24 PM HADT · 3321 days ago · 98 km deep · 83 km away
47. 4.090 km WSW of Adak, AlaskaTue, Aug 29, 12:29 PM HADT · 3321 days ago · 66 km deep · 48 km away
48. 2.4120 km WSW of Adak, AlaskaTue, Aug 29, 3:26 PM HADT · 3320 days ago · 35 km deep · 77 km away
49. 1.8124 km W of Adak, AlaskaWed, Aug 30, 9:30 AM HADT · 3320 days ago · 15 km deep · 98 km away
50. 2.5130 km WSW of Adak, AlaskaWed, Aug 30, 11:19 AM HADT · 3320 days ago · 10 km deep · 91 km away
51. 1.8112 km SW of Adak, AlaskaWed, Aug 30, 11:57 AM HADT · 3320 days ago · 28 km deep · 55 km away
52. 2.456 km S of Adak, AlaskaWed, Aug 30, 2:38 PM HADT · 3320 days ago · 22 km deep · 45 km away
53. 1.8121 km W of Adak, AlaskaWed, Aug 30, 5:51 PM HADT · 3319 days ago · 13 km deep · 99 km away
54. 2.0Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 30, 10:27 PM HADT · 3319 days ago · 51 km deep · 99 km away
55. 2.0123 km SW of Adak, AlaskaThu, Aug 31, 8:01 AM HADT · 3319 days ago · 20 km deep · 67 km away
56. 1.959 km SE of Adak, AlaskaThu, Aug 31, 1:15 PM HADT · 3319 days ago · 45 km deep · 74 km away
57. 1.6126 km WSW of Adak, AlaskaThu, Aug 31, 10:08 PM HADT · 3318 days ago · 9 km deep · 98 km away
58. 2.3123 km WSW of Adak, AlaskaThu, Aug 31, 10:36 PM HADT · 3318 days ago · 72 km deep · 92 km away
59. 1.770 km SSE of Adak, AlaskaFri, Sep 1, 6:34 AM HADT · 3318 days ago · 17 km deep · 51 km away
60. 2.2125 km WSW of Adak, AlaskaFri, Sep 1, 7:48 AM HADT · 3318 days ago · 9 km deep · 97 km away

The first 60 of at least 199.

Before

1. 1.756 km WSW of Adak, AlaskaSun, Aug 20, 3:00 AM HADT · 3330 days ago · 69 km deep · 51 km away
2. 1.8127 km WSW of Adak, AlaskaSun, Aug 20, 2:50 AM HADT · 3330 days ago · 13 km deep · 99 km away
3. 1.984 km WSW of Adak, AlaskaSat, Aug 19, 10:30 AM HADT · 3331 days ago · 19 km deep · 49 km away
4. 2.1117 km SW of Adak, AlaskaSat, Aug 19, 9:27 AM HADT · 3331 days ago · 45 km deep · 60 km away
5. 1.972 km SW of Adak, AlaskaSat, Aug 19, 5:21 AM HADT · 3331 days ago · 80 km deep · 34 km away
6. 1.675 km WSW of Adak, AlaskaSat, Aug 19, 2:24 AM HADT · 3331 days ago · 23 km deep · 40 km away
7. 2.2Andreanof Islands, Aleutian Islands, AlaskaFri, Aug 18, 10:21 PM HADT · 3331 days ago · 47 km deep · 94 km away
8. 1.7117 km WSW of Adak, AlaskaFri, Aug 18, 8:21 PM HADT · 3331 days ago · 12 km deep · 86 km away
9. 1.7114 km WSW of Adak, AlaskaFri, Aug 18, 4:42 PM HADT · 3331 days ago · 13 km deep · 79 km away
10. 1.856 km WSW of Adak, AlaskaFri, Aug 18, 4:30 PM HADT · 3331 days ago · 65 km deep · 39 km away
11. 1.6127 km WSW of Adak, AlaskaFri, Aug 18, 4:08 PM HADT · 3331 days ago · 13 km deep · 95 km away
12. 2.185 km WSW of Adak, AlaskaFri, Aug 18, 9:31 AM HADT · 3332 days ago · 18 km deep · 50 km away
13. 2.0118 km WSW of Adak, AlaskaFri, Aug 18, 8:09 AM HADT · 3332 days ago · 13 km deep · 86 km away
14. 2.7117 km WSW of Adak, AlaskaFri, Aug 18, 12:50 AM HADT · 3332 days ago · 10 km deep · 76 km away
15. 1.6125 km WSW of Adak, AlaskaThu, Aug 17, 3:28 PM HADT · 3332 days ago · 16 km deep · 95 km away
16. 1.765 km SW of Adak, AlaskaThu, Aug 17, 3:21 PM HADT · 3332 days ago · 43 km deep · 11 km away
17. 1.5122 km W of Adak, AlaskaThu, Aug 17, 10:56 AM HADT · 3333 days ago · 18 km deep · 96 km away
18. 2.2120 km WSW of Adak, AlaskaThu, Aug 17, 10:35 AM HADT · 3333 days ago · 14 km deep · 90 km away
19. 2.3114 km WSW of Adak, AlaskaThu, Aug 17, 10:34 AM HADT · 3333 days ago · 12 km deep · 81 km away
20. 1.9124 km WSW of Adak, AlaskaThu, Aug 17, 6:39 AM HADT · 3333 days ago · 7 km deep · 95 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak017apdkujx. Read Fri, Oct 2, 2026, 11:38 AM UTC.