M1.8 earthquake 28 km SW of Unalaska, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Tue, Oct 4, 2016, 7:19 AM AKDT

UTC

2016-10-04 15:19:19 UTC

Depth

98.7 km (61.3 mi), intermediate-depth

Epicenter

53.670° N, 166.789° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

17

• Unalaska, AlaskaPopulation 4,491. Forecast28 kmSW

After

1. 2.087 km SSW of Unalaska, AlaskaTue, Oct 4, 9:17 PM AKDT · 3651 days ago · 35 km deep · 59 km away
2. 2.0102 km SSW of Unalaska, AlaskaWed, Oct 5, 7:23 PM AKDT · 3650 days ago · 13 km deep · 74 km away
3. 1.922 km SE of Unalaska, AlaskaFri, Oct 7, 4:01 AM AKDT · 3649 days ago · 73 km deep · 35 km away
4. 3.355 km SW of Unalaska, AlaskaFri, Oct 7, 5:13 PM AKDT · 3648 days ago · 18 km deep · 28 km away
5. 3.383 km SE of Unalaska, AlaskaFri, Oct 7, 9:03 PM AKDT · 3648 days ago · 39 km deep · 85 km away
6. 2.183 km SE of Unalaska, AlaskaFri, Oct 7, 11:41 PM AKDT · 3648 days ago · 13 km deep · 85 km away
7. 3.890 km SSW of Unalaska, AlaskaSun, Oct 9, 8:43 AM AKDT · 3646 days ago · 20 km deep · 62 km away
8. 1.670 km WSW of Unalaska, AlaskaSun, Oct 9, 12:40 PM AKDT · 3646 days ago · 13 km deep · 47 km away
9. 3.7103 km E of Nikolski, AlaskaSun, Oct 9, 4:34 PM AKDT · 3646 days ago · 22 km deep · 91 km away
10. 1.756 km ESE of Unalaska, AlaskaSun, Oct 9, 5:21 PM AKDT · 3646 days ago · 54 km deep · 66 km away
11. 2.261 km SSE of Unalaska, AlaskaSun, Oct 9, 6:11 PM AKDT · 3646 days ago · 25 km deep · 57 km away
12. 3.582 km SSE of Akutan, AlaskaSun, Oct 9, 10:25 PM AKDT · 3646 days ago · 35 km deep · 88 km away
13. 1.970 km SE of Unalaska, AlaskaMon, Oct 10, 9:04 AM AKDT · 3645 days ago · 23 km deep · 74 km away
14. 2.293 km W of Dutch Harbor, AlaskaTue, Oct 11, 12:51 PM AKDT · 3644 days ago · 10 km deep · 81 km away
15. 1.834 km SE of Akutan, AlaskaTue, Oct 11, 9:59 PM AKDT · 3644 days ago · 55 km deep · 90 km away
16. 1.829 km SSW of Unalaska, AlaskaTue, Oct 11, 10:56 PM AKDT · 3644 days ago · 84 km deep · 12 km away
17. 1.926 km SSE of Akutan, AlaskaThu, Oct 13, 12:08 PM AKDT · 3642 days ago · 69 km deep · 77 km away
18. 1.961 km SW of Unalaska, AlaskaThu, Oct 13, 8:41 PM AKDT · 3642 days ago · 16 km deep · 34 km away
19. 1.840 km SSE of Unalaska, AlaskaFri, Oct 14, 6:23 AM AKDT · 3642 days ago · 63 km deep · 37 km away
20. 1.751 km SW of Unalaska, AlaskaFri, Oct 14, 8:59 PM AKDT · 3641 days ago · 7 km deep · 23 km away
21. 2.082 km SSW of Unalaska, AlaskaSun, Oct 16, 11:47 PM AKDT · 3639 days ago · 26 km deep · 57 km away
22. 1.617 km ENE of Dutch Harbor, AlaskaMon, Oct 17, 5:57 AM AKDT · 3639 days ago · 13 km deep · 45 km away
23. 1.983 km S of Unalaska, AlaskaMon, Oct 17, 7:49 AM AKDT · 3638 days ago · 26 km deep · 59 km away
24. 1.881 km SW of Unalaska, AlaskaMon, Oct 17, 12:09 PM AKDT · 3638 days ago · 20 km deep · 53 km away
25. 3.658 km SSW of Unalaska, AlaskaTue, Oct 18, 12:32 AM AKDT · 3638 days ago · 36 km deep · 32 km away
26. 2.710 km WNW of Dutch Harbor, AlaskaWed, Oct 19, 5:47 PM AKDT · 3636 days ago · 114 km deep · 30 km away
27. 2.3118 km S of Unalaska, AlaskaThu, Oct 20, 1:39 AM AKDT · 3636 days ago · 19 km deep · 95 km away
28. 1.7109 km SSW of Unalaska, AlaskaThu, Oct 20, 5:04 PM AKDT · 3635 days ago · 13 km deep · 82 km away
29. 2.169 km SE of Unalaska, AlaskaThu, Oct 20, 7:22 PM AKDT · 3635 days ago · 27 km deep · 73 km away
30. 3.2100 km E of Nikolski, AlaskaFri, Oct 21, 7:11 AM AKDT · 3634 days ago · 25 km deep · 99 km away
31. 1.792 km E of Nikolski, AlaskaFri, Oct 21, 9:46 AM AKDT · 3634 days ago · 49 km deep · 93 km away
32. 1.917 km ENE of Dutch Harbor, AlaskaFri, Oct 21, 4:02 PM AKDT · 3634 days ago · 6 km deep · 46 km away
33. 2.695 km SSE of Unalaska, AlaskaFri, Oct 21, 4:50 PM AKDT · 3634 days ago · 25 km deep · 90 km away
34. 1.524 km SE of Akutan, AlaskaFri, Oct 21, 7:28 PM AKDT · 3634 days ago · 68 km deep · 90 km away
35. 1.777 km ENE of Nikolski, AlaskaFri, Oct 21, 10:46 PM AKDT · 3634 days ago · 75 km deep · 83 km away
36. 1.7102 km E of Nikolski, AlaskaSat, Oct 22, 8:56 AM AKDT · 3633 days ago · 20 km deep · 92 km away
37. 1.974 km S of Unalaska, AlaskaSat, Oct 22, 2:40 PM AKDT · 3633 days ago · 26 km deep · 52 km away
38. 1.673 km S of Unalaska, AlaskaSat, Oct 22, 4:32 PM AKDT · 3633 days ago · 29 km deep · 53 km away
39. 1.936 km WSW of Unalaska, AlaskaSun, Oct 23, 12:53 PM AKDT · 3632 days ago · 14 km deep · 19 km away
40. 1.613 km W of Akutan, AlaskaSun, Oct 23, 1:03 PM AKDT · 3632 days ago · 6 km deep · 73 km away
41. 1.614 km W of Akutan, AlaskaMon, Oct 24, 6:14 PM AKDT · 3631 days ago · 6 km deep · 72 km away
42. 2.381 km E of Nikolski, AlaskaTue, Oct 25, 10:15 AM AKDT · 3630 days ago · 80 km deep · 91 km away
43. 2.169 km SSE of Akutan, AlaskaTue, Oct 25, 1:49 PM AKDT · 3630 days ago · 48 km deep · 97 km away
44. 1.649 km WSW of Unalaska, AlaskaThu, Oct 27, 6:07 AM AKDT · 3629 days ago · 28 km deep · 26 km away
45. 2.5120 km S of Unalaska, AlaskaFri, Oct 28, 2:27 AM AKDT · 3628 days ago · 57 km deep · 97 km away
46. 2.273 km SW of Unalaska, AlaskaFri, Oct 28, 9:42 AM AKDT · 3627 days ago · 13 km deep · 47 km away
47. 2.231 km SSW of Unalaska, AlaskaFri, Oct 28, 6:30 PM AKDT · 3627 days ago · 72 km deep · 13 km away
48. 2.5119 km S of Unalaska, AlaskaFri, Oct 28, 11:18 PM AKDT · 3627 days ago · 2 km deep · 95 km away
49. 1.766 km WSW of Unalaska, AlaskaSat, Oct 29, 10:15 AM AKDT · 3626 days ago · 1 km deep · 42 km away
50. 1.728 km W of Dutch Harbor, AlaskaSat, Oct 29, 11:02 PM AKDT · 3626 days ago · 5 km deep · 23 km away
51. 1.964 km SSW of Unalaska, AlaskaWed, Nov 2, 11:34 PM AKDT · 3622 days ago · 82 km deep · 40 km away
52. 1.673 km WSW of Unalaska, AlaskaThu, Nov 3, 3:53 AM AKDT · 3622 days ago · 27 km deep · 51 km away
53. 3.343 km S of Akutan, AlaskaThu, Nov 3, 2:07 PM AKDT · 3621 days ago · 103 km deep · 66 km away
54. 1.873 km WSW of Unalaska, AlaskaThu, Nov 3, 4:42 PM AKDT · 3621 days ago · 18 km deep · 48 km away
55. 2.255 km S of Unalaska, AlaskaThu, Nov 3, 6:35 PM AKDT · 3621 days ago · 62 km deep · 39 km away
56. 1.872 km WSW of Unalaska, AlaskaThu, Nov 3, 9:26 PM AKDT · 3621 days ago · 13 km deep · 47 km away
57. 1.868 km SE of Unalaska, AlaskaFri, Nov 4, 1:54 PM AKDT · 3620 days ago · 22 km deep · 71 km away
58. 3.758 km SSE of Unalaska, AlaskaSun, Nov 6, 10:38 AM AKST · 3618 days ago · 72 km deep · 50 km away
59. 1.880 km SW of Unalaska, AlaskaMon, Nov 7, 6:53 PM AKST · 3617 days ago · 13 km deep · 53 km away
60. 2.776 km WSW of Unalaska, AlaskaTue, Nov 8, 6:11 PM AKST · 3616 days ago · 9 km deep · 52 km away

The first 60 of 85.

Before

1. 1.550 km S of Akutan, AlaskaMon, Oct 3, 5:01 PM AKDT · 3652 days ago · 59 km deep · 70 km away
2. 1.691 km E of Nikolski, AlaskaMon, Oct 3, 6:38 AM AKDT · 3652 days ago · 34 km deep · 89 km away
3. 2.1121 km S of Unalaska, AlaskaMon, Oct 3, 3:10 AM AKDT · 3653 days ago · 1 km deep · 98 km away
4. 1.550 km SW of Unalaska, AlaskaMon, Oct 3, 3:07 AM AKDT · 3653 days ago · 13 km deep · 24 km away
5. 2.016 km W of Akutan, AlaskaFri, Sep 30, 12:08 PM AKDT · 3655 days ago · 9 km deep · 71 km away
6. 1.792 km SSW of Unalaska, AlaskaWed, Sep 28, 3:13 PM AKDT · 3657 days ago · 72 km deep · 65 km away
7. 1.698 km W of Dutch Harbor, AlaskaWed, Sep 28, 1:12 PM AKDT · 3657 days ago · 10 km deep · 87 km away
8. 1.795 km W of Dutch Harbor, AlaskaWed, Sep 28, 11:27 AM AKDT · 3657 days ago · 11 km deep · 82 km away
9. 1.796 km W of Dutch Harbor, AlaskaWed, Sep 28, 11:04 AM AKDT · 3657 days ago · 26 km deep · 83 km away
10. 1.595 km W of Dutch Harbor, AlaskaWed, Sep 28, 6:07 AM AKDT · 3658 days ago · 18 km deep · 83 km away
11. 1.693 km W of Dutch Harbor, AlaskaWed, Sep 28, 5:40 AM AKDT · 3658 days ago · 11 km deep · 81 km away
12. 1.594 km W of Dutch Harbor, AlaskaTue, Sep 27, 7:36 PM AKDT · 3658 days ago · 12 km deep · 83 km away
13. 1.8112 km S of Unalaska, AlaskaTue, Sep 27, 9:12 AM AKDT · 3658 days ago · 5 km deep · 88 km away
14. 1.714 km W of Akutan, AlaskaMon, Sep 26, 2:18 AM AKDT · 3660 days ago · 9 km deep · 71 km away
15. 1.669 km SSE of Unalaska, AlaskaSat, Sep 24, 5:52 PM AKDT · 3661 days ago · 26 km deep · 65 km away
16. 1.68 km WSW of Unalaska, AlaskaSat, Sep 24, 3:49 PM AKDT · 3661 days ago · 10 km deep · 22 km away
17. 1.68 km WSW of Dutch Harbor, AlaskaSat, Sep 24, 1:13 PM AKDT · 3661 days ago · 10 km deep · 24 km away
18. 1.67 km WSW of Dutch Harbor, AlaskaSat, Sep 24, 12:09 PM AKDT · 3661 days ago · 10 km deep · 25 km away
19. 2.257 km SW of Unalaska, AlaskaSat, Sep 24, 11:43 AM AKDT · 3661 days ago · 13 km deep · 33 km away
20. 1.958 km S of Akutan, AlaskaFri, Sep 23, 10:04 PM AKDT · 3662 days ago · 24 km deep · 71 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak016cs0g3hr (also filed as ak14189831). Read Sun, Oct 4, 2026, 1:54 AM UTC.