M1.6 earthquake 17 km S of Unalaska, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, May 20, 2017, 12:36 AM AKDT

UTC

2017-05-20 08:36:39 UTC

Depth

98.1 km (61.0 mi), intermediate-depth

Epicenter

53.719° N, 166.528° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

17

• Unalaska, AlaskaPopulation 4,491. Forecast17 kmS

After

1. 2.337 km SSW of Unalaska, AlaskaSat, May 20, 8:51 AM AKDT · 3422 days ago · 67 km deep · 22 km away
2. 2.5101 km SE of Unalaska, AlaskaTue, May 23, 1:14 AM AKDT · 3419 days ago · 10 km deep · 88 km away
3. 1.736 km SSE of Unalaska, AlaskaWed, May 24, 3:00 AM AKDT · 3418 days ago · 64 km deep · 24 km away
4. 2.126 km ESE of Akutan, AlaskaThu, May 25, 1:26 AM AKDT · 3417 days ago · 71 km deep · 82 km away
5. 3.881 km SSW of Unalaska, AlaskaThu, May 25, 9:24 AM AKDT · 3417 days ago · 35 km deep · 68 km away
6. 3.492 km E of Nikolski, AlaskaFri, May 26, 4:01 PM AKDT · 3415 days ago · 38 km deep · 95 km away
7. 2.038 km SSW of Unalaska, AlaskaSat, May 27, 5:29 PM AKDT · 3414 days ago · 73 km deep · 25 km away
8. 1.526 km S of Akutan, AlaskaSat, May 27, 7:39 PM AKDT · 3414 days ago · 71 km deep · 52 km away
9. 2.882 km ENE of Nikolski, AlaskaTue, May 30, 8:37 AM AKDT · 3412 days ago · 157 km deep · 98 km away
10. 1.994 km E of Nikolski, AlaskaTue, May 30, 1:10 PM AKDT · 3412 days ago · 38 km deep · 100 km away
11. 2.579 km WSW of Dutch Harbor, AlaskaWed, May 31, 6:42 PM AKDT · 3410 days ago · 33 km deep · 79 km away
12. 2.139 km W of Dutch Harbor, AlaskaThu, Jun 1, 7:05 AM AKDT · 3410 days ago · 117 km deep · 48 km away
13. 1.829 km SSE of Unalaska, AlaskaSat, Jun 3, 11:26 AM AKDT · 3408 days ago · 73 km deep · 15 km away
14. 2.5Fox Islands, Aleutian Islands, AlaskaSun, Jun 4, 1:41 AM AKDT · 3407 days ago · 82 km deep · 36 km away
15. 2.689 km ENE of Nikolski, AlaskaSun, Jun 4, 4:04 AM AKDT · 3407 days ago · 79 km deep · 88 km away
16. 2.032 km WSW of Unalaska, AlaskaWed, Jun 7, 4:45 AM AKDT · 3404 days ago · 109 km deep · 31 km away
17. 1.627 km SSW of Unalaska, AlaskaThu, Jun 8, 7:17 PM AKDT · 3402 days ago · 74 km deep · 13 km away
18. 1.681 km SSW of Unalaska, AlaskaFri, Jun 9, 3:24 AM AKDT · 3402 days ago · 36 km deep · 65 km away
19. 1.957 km SE of Akutan, AlaskaFri, Jun 9, 11:07 PM AKDT · 3401 days ago · 51 km deep · 83 km away
20. 1.851 km ESE of Unalaska, AlaskaSat, Jun 10, 12:06 AM AKDT · 3401 days ago · 56 km deep · 46 km away
21. 1.570 km WSW of Unalaska, AlaskaSat, Jun 10, 6:57 PM AKDT · 3400 days ago · 13 km deep · 64 km away
22. 2.436 km SE of Akutan, AlaskaSun, Jun 11, 10:27 PM AKDT · 3399 days ago · 64 km deep · 78 km away
23. 1.556 km SE of Akutan, AlaskaMon, Jun 12, 2:42 AM AKDT · 3399 days ago · 55 km deep · 84 km away
24. 2.591 km W of Dutch Harbor, AlaskaMon, Jun 12, 7:19 PM AKDT · 3398 days ago · 15 km deep · 95 km away
25. 2.893 km W of Dutch Harbor, AlaskaMon, Jun 12, 7:58 PM AKDT · 3398 days ago · 20 km deep · 96 km away
26. 1.592 km W of Dutch Harbor, AlaskaMon, Jun 12, 8:07 PM AKDT · 3398 days ago · 13 km deep · 95 km away
27. 2.149 km SE of Akutan, AlaskaTue, Jun 13, 8:25 AM AKDT · 3398 days ago · 55 km deep · 87 km away
28. 2.0108 km S of Unalaska, AlaskaTue, Jun 13, 11:14 AM AKDT · 3398 days ago · 1 km deep · 92 km away
29. 2.718 km W of Dutch Harbor, AlaskaTue, Jun 13, 10:48 PM AKDT · 3397 days ago · 3 km deep · 25 km away
30. 1.718 km WSW of Dutch Harbor, AlaskaWed, Jun 14, 1:47 AM AKDT · 3397 days ago · 5 km deep · 23 km away
31. 2.189 km SSW of Unalaska, AlaskaWed, Jun 14, 12:36 PM AKDT · 3397 days ago · 23 km deep · 75 km away
32. 2.042 km ESE of Akutan, AlaskaWed, Jun 14, 8:35 PM AKDT · 3396 days ago · 38 km deep · 93 km away
33. 1.774 km SSE of Akutan, AlaskaThu, Jun 15, 2:49 PM AKDT · 3396 days ago · 21 km deep · 78 km away
34. 1.968 km SSE of Unalaska, AlaskaThu, Jun 15, 10:55 PM AKDT · 3395 days ago · 1 km deep · 53 km away
35. 1.6108 km SSW of Unalaska, AlaskaFri, Jun 16, 3:19 AM AKDT · 3395 days ago · 16 km deep · 94 km away
36. 1.956 km SW of Unalaska, AlaskaFri, Jun 16, 6:01 PM AKDT · 3394 days ago · 13 km deep · 47 km away
37. 1.685 km SE of Unalaska, AlaskaSun, Jun 18, 3:47 PM AKDT · 3393 days ago · 18 km deep · 74 km away
38. 1.745 km SW of Unalaska, AlaskaMon, Jun 19, 10:02 AM AKDT · 3392 days ago · 74 km deep · 35 km away
39. 1.892 km E of Nikolski, AlaskaWed, Jun 21, 7:18 AM AKDT · 3390 days ago · 73 km deep · 100 km away
40. 1.991 km SSW of Unalaska, AlaskaFri, Jun 23, 11:20 AM AKDT · 3388 days ago · 25 km deep · 77 km away
41. 2.371 km WSW of Unalaska, AlaskaFri, Jun 23, 9:37 PM AKDT · 3387 days ago · 7 km deep · 65 km away
42. 2.172 km WSW of Unalaska, AlaskaFri, Jun 23, 9:38 PM AKDT · 3387 days ago · 13 km deep · 65 km away
43. 1.665 km SE of Unalaska, AlaskaSat, Jun 24, 10:56 PM AKDT · 3386 days ago · 23 km deep · 55 km away
44. 1.519 km WSW of Dutch Harbor, AlaskaTue, Jun 27, 2:37 PM AKDT · 3384 days ago · 4 km deep · 25 km away
45. 2.188 km S of Unalaska, AlaskaTue, Jun 27, 3:44 PM AKDT · 3384 days ago · 26 km deep · 72 km away
46. 4.272 km SSW of Unalaska, AlaskaTue, Jun 27, 3:45 PM AKDT · 3384 days ago · 46 km deep · 56 km away
47. 1.978 km S of Unalaska, AlaskaTue, Jun 27, 4:01 PM AKDT · 3383 days ago · 26 km deep · 62 km away
48. 1.978 km S of Unalaska, AlaskaTue, Jun 27, 4:09 PM AKDT · 3383 days ago · 44 km deep · 61 km away
49. 2.3Fox Islands, Aleutian Islands, AlaskaTue, Jun 27, 4:15 PM AKDT · 3383 days ago · 46 km deep · 86 km away
50. 2.379 km S of Unalaska, AlaskaTue, Jun 27, 5:37 PM AKDT · 3383 days ago · 42 km deep · 63 km away
51. 1.979 km S of Unalaska, AlaskaTue, Jun 27, 6:34 PM AKDT · 3383 days ago · 14 km deep · 63 km away
52. 1.665 km SE of Unalaska, AlaskaWed, Jun 28, 1:19 AM AKDT · 3383 days ago · 31 km deep · 53 km away
53. 2.086 km S of Unalaska, AlaskaWed, Jun 28, 6:40 AM AKDT · 3383 days ago · 19 km deep · 69 km away
54. 3.086 km SSW of Unalaska, AlaskaWed, Jun 28, 4:35 PM AKDT · 3382 days ago · 42 km deep · 71 km away
55. 1.860 km SSW of Unalaska, AlaskaWed, Jun 28, 6:33 PM AKDT · 3382 days ago · 75 km deep · 46 km away
56. 1.790 km SSE of Akutan, AlaskaThu, Jun 29, 4:24 PM AKDT · 3381 days ago · 46 km deep · 95 km away
57. 2.431 km SSE of Unalaska, AlaskaThu, Jun 29, 4:40 PM AKDT · 3381 days ago · 75 km deep · 16 km away
58. 1.895 km W of Dutch Harbor, AlaskaThu, Jun 29, 5:29 PM AKDT · 3381 days ago · 5 km deep · 99 km away
59. 1.559 km S of Unalaska, AlaskaFri, Jun 30, 5:38 PM AKDT · 3380 days ago · 47 km deep · 42 km away
60. 1.533 km S of Unalaska, AlaskaSun, Jul 2, 6:32 AM AKDT · 3379 days ago · 72 km deep · 16 km away

The first 60 of 93.

Before

1. 1.793 km W of Dutch Harbor, AlaskaWed, May 17, 12:02 AM AKDT · 3425 days ago · 13 km deep · 96 km away
2. 2.085 km ENE of Nikolski, AlaskaTue, May 16, 8:38 PM AKDT · 3425 days ago · 62 km deep · 97 km away
3. 1.9108 km SSE of Unalaska, AlaskaSun, May 14, 11:15 AM AKDT · 3428 days ago · 5 km deep · 93 km away
4. 1.827 km SSE of Akutan, AlaskaSun, May 14, 10:53 AM AKDT · 3428 days ago · 73 km deep · 58 km away
5. 1.616 km WSW of Akutan, AlaskaSun, May 14, 10:05 AM AKDT · 3428 days ago · 14 km deep · 53 km away
6. 1.871 km SE of Unalaska, AlaskaSun, May 14, 2:02 AM AKDT · 3428 days ago · 16 km deep · 60 km away
7. 1.6110 km SSE of Unalaska, AlaskaSun, May 14, 1:09 AM AKDT · 3428 days ago · 11 km deep · 96 km away
8. 1.6113 km SSE of Unalaska, AlaskaSun, May 14, 1:03 AM AKDT · 3428 days ago · 12 km deep · 98 km away
9. 1.8113 km SSE of Unalaska, AlaskaSun, May 14, 12:58 AM AKDT · 3428 days ago · 10 km deep · 98 km away
10. 1.884 km S of Unalaska, AlaskaSat, May 13, 11:04 PM AKDT · 3428 days ago · 13 km deep · 67 km away
11. 1.8Fox Islands, Aleutian Islands, AlaskaSat, May 13, 10:31 AM AKDT · 3429 days ago · 13 km deep · 73 km away
12. 1.757 km S of Unalaska, AlaskaSat, May 13, 6:42 AM AKDT · 3429 days ago · 58 km deep · 40 km away
13. 1.976 km SSE of Unalaska, AlaskaThu, May 11, 2:41 PM AKDT · 3431 days ago · 19 km deep · 62 km away
14. 2.238 km ESE of Akutan, AlaskaThu, May 11, 5:38 AM AKDT · 3431 days ago · 73 km deep · 85 km away
15. 2.356 km ESE of Akutan, AlaskaWed, May 10, 4:23 PM AKDT · 3431 days ago · 67 km deep · 98 km away
16. 1.733 km SSE of Unalaska, AlaskaTue, May 9, 8:25 PM AKDT · 3432 days ago · 65 km deep · 18 km away
17. 1.665 km WSW of Unalaska, AlaskaMon, May 8, 3:35 PM AKDT · 3434 days ago · 21 km deep · 59 km away
18. 2.235 km ESE of Akutan, AlaskaSun, May 7, 10:48 PM AKDT · 3434 days ago · 70 km deep · 85 km away
19. 2.414 km W of Akutan, AlaskaSun, May 7, 7:22 AM AKDT · 3435 days ago · 5 km deep · 56 km away
20. 1.875 km SSE of Akutan, AlaskaSat, May 6, 9:12 AM AKDT · 3436 days ago · 13 km deep · 79 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0176fo7usv. Read Fri, Oct 2, 2026, 11:24 AM UTC.