M1.8 earthquake 79 km WSW of Unalaska, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Mar 31, 2016, 9:01 PM AKDT

UTC

2016-04-01 05:01:42 UTC

Depth

30.8 km (19.1 mi), shallow

Epicenter

53.485° N, 167.538° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

14

• Unalaska, AlaskaPopulation 4,491. Forecast79 kmWSW

After

1. 1.873 km S of Unalaska, AlaskaFri, Apr 1, 3:35 AM AKDT · 3839 days ago · 50 km deep · 63 km away
2. 2.243 km ESE of Nikolski, AlaskaSat, Apr 2, 5:51 AM AKDT · 3838 days ago · 47 km deep · 95 km away
3. 3.220 km NNE of Dutch Harbor, AlaskaMon, Apr 4, 7:42 AM AKDT · 3836 days ago · 112 km deep · 96 km away
4. 1.755 km S of Unalaska, AlaskaMon, Apr 4, 2:50 PM AKDT · 3835 days ago · 52 km deep · 71 km away
5. 2.2124 km S of Unalaska, AlaskaMon, Apr 4, 3:23 PM AKDT · 3835 days ago · 20 km deep · 99 km away
6. 1.863 km SSE of Unalaska, AlaskaMon, Apr 4, 10:27 PM AKDT · 3835 days ago · 23 km deep · 98 km away
7. 2.6Fox Islands, Aleutian Islands, AlaskaThu, Apr 7, 2:22 AM AKDT · 3833 days ago · 91 km deep · 53 km away
8. 2.028 km ESE of Nikolski, AlaskaThu, Apr 7, 11:11 PM AKDT · 3832 days ago · 52 km deep · 94 km away
9. 3.088 km SSW of Unalaska, AlaskaFri, Apr 8, 12:13 PM AKDT · 3831 days ago · 41 km deep · 58 km away
10. 1.618 km S of Unalaska, AlaskaSat, Apr 9, 9:14 AM AKDT · 3831 days ago · 67 km deep · 71 km away
11. 2.738 km ESE of Nikolski, AlaskaSat, Apr 9, 11:50 AM AKDT · 3830 days ago · 41 km deep · 96 km away
12. 1.881 km WSW of Unalaska, AlaskaSat, Apr 9, 1:14 PM AKDT · 3830 days ago · 40 km deep · 2 km away
13. 2.189 km SSW of Unalaska, AlaskaTue, Apr 12, 7:07 AM AKDT · 3828 days ago · 43 km deep · 45 km away
14. 2.063 km SSE of Unalaska, AlaskaThu, Apr 14, 6:25 PM AKDT · 3825 days ago · 47 km deep · 92 km away
15. 2.059 km SSW of Unalaska, AlaskaFri, Apr 15, 9:47 PM AKDT · 3824 days ago · 71 km deep · 39 km away
16. 1.983 km E of Nikolski, AlaskaTue, Apr 19, 11:09 AM AKDT · 3821 days ago · 48 km deep · 46 km away
17. 2.625 km ENE of Nikolski, AlaskaWed, Apr 20, 9:27 AM AKDT · 3820 days ago · 50 km deep · 82 km away
18. 1.673 km WSW of Unalaska, AlaskaThu, Apr 21, 1:59 AM AKDT · 3819 days ago · 20 km deep · 9 km away
19. 1.675 km SW of Unalaska, AlaskaThu, Apr 21, 2:20 AM AKDT · 3819 days ago · 13 km deep · 4 km away
20. 1.974 km WSW of Unalaska, AlaskaThu, Apr 21, 2:22 AM AKDT · 3819 days ago · 12 km deep · 8 km away
21. 1.772 km WSW of Unalaska, AlaskaThu, Apr 21, 3:28 AM AKDT · 3819 days ago · 19 km deep · 10 km away
22. 2.062 km E of Nikolski, AlaskaThu, Apr 21, 9:08 AM AKDT · 3819 days ago · 51 km deep · 69 km away
23. 2.167 km SSW of Unalaska, AlaskaThu, Apr 21, 12:57 PM AKDT · 3818 days ago · 42 km deep · 55 km away
24. 2.252 km ENE of Nikolski, AlaskaThu, Apr 21, 11:45 PM AKDT · 3818 days ago · 20 km deep · 54 km away
25. 2.234 km ENE of Nikolski, AlaskaSun, Apr 24, 12:36 AM AKDT · 3816 days ago · 54 km deep · 75 km away
26. 2.264 km SSW of Unalaska, AlaskaMon, Apr 25, 8:58 PM AKDT · 3814 days ago · 69 km deep · 36 km away
27. 1.854 km SW of Unalaska, AlaskaMon, Apr 25, 11:13 PM AKDT · 3814 days ago · 18 km deep · 25 km away
28. 1.552 km SW of Unalaska, AlaskaTue, Apr 26, 12:59 AM AKDT · 3814 days ago · 15 km deep · 28 km away
29. 1.954 km WSW of Unalaska, AlaskaTue, Apr 26, 6:52 PM AKDT · 3813 days ago · 19 km deep · 25 km away
30. 2.490 km ENE of Nikolski, AlaskaThu, Apr 28, 3:26 PM AKDT · 3811 days ago · 71 km deep · 18 km away
31. 1.756 km SW of Unalaska, AlaskaThu, Apr 28, 9:42 PM AKDT · 3811 days ago · 15 km deep · 24 km away
32. 2.732 km ESE of Nikolski, AlaskaFri, Apr 29, 2:06 PM AKDT · 3810 days ago · 48 km deep · 88 km away
33. 4.075 km E of Nikolski, AlaskaSat, Apr 30, 11:15 AM AKDT · 3809 days ago · 39 km deep · 65 km away
34. 1.814 km ENE of Unalaska, AlaskaSun, May 1, 7:47 PM AKDT · 3808 days ago · 91 km deep · 93 km away
35. 2.666 km SW of Unalaska, AlaskaSun, May 1, 9:07 PM AKDT · 3808 days ago · 57 km deep · 28 km away
36. 2.189 km E of Nikolski, AlaskaTue, May 3, 6:55 AM AKDT · 3807 days ago · 60 km deep · 50 km away
37. 1.542 km SW of Unalaska, AlaskaTue, May 3, 6:46 PM AKDT · 3806 days ago · 4 km deep · 40 km away
38. 2.084 km E of Nikolski, AlaskaTue, May 3, 7:26 PM AKDT · 3806 days ago · 39 km deep · 61 km away
39. 1.877 km SW of Unalaska, AlaskaTue, May 3, 7:35 PM AKDT · 3806 days ago · 17 km deep · 18 km away
40. 2.054 km WSW of Unalaska, AlaskaWed, May 4, 12:18 AM AKDT · 3806 days ago · 20 km deep · 25 km away
41. 3.237 km E of Nikolski, AlaskaWed, May 4, 9:27 PM AKDT · 3805 days ago · 45 km deep · 78 km away
42. 1.847 km SW of Unalaska, AlaskaWed, May 4, 11:07 PM AKDT · 3805 days ago · 77 km deep · 38 km away
43. 1.576 km SW of Unalaska, AlaskaThu, May 5, 1:05 AM AKDT · 3805 days ago · 12 km deep · 13 km away
44. 2.073 km SSW of Unalaska, AlaskaFri, May 6, 8:28 PM AKDT · 3803 days ago · 46 km deep · 56 km away
45. 3.889 km SSW of Unalaska, AlaskaSat, May 7, 8:58 AM AKDT · 3803 days ago · 27 km deep · 61 km away
46. 3.582 km SSW of Unalaska, AlaskaSat, May 7, 9:12 AM AKDT · 3803 days ago · 27 km deep · 55 km away
47. 2.080 km SSW of Unalaska, AlaskaSat, May 7, 1:56 PM AKDT · 3802 days ago · 19 km deep · 55 km away
48. 2.365 km SW of Unalaska, AlaskaSat, May 7, 6:55 PM AKDT · 3802 days ago · 14 km deep · 16 km away
49. 1.967 km WSW of Unalaska, AlaskaSun, May 8, 12:22 AM AKDT · 3802 days ago · 26 km deep · 15 km away
50. 1.739 km SSW of Unalaska, AlaskaSun, May 8, 2:30 AM AKDT · 3802 days ago · 74 km deep · 48 km away
51. 3.780 km SSW of Unalaska, AlaskaSun, May 8, 8:47 AM AKDT · 3802 days ago · 56 km deep · 46 km away
52. 1.764 km SW of Unalaska, AlaskaSun, May 8, 11:43 AM AKDT · 3801 days ago · 15 km deep · 20 km away
53. 1.871 km SW of Unalaska, AlaskaSun, May 8, 7:58 PM AKDT · 3801 days ago · 13 km deep · 18 km away
54. 2.486 km S of Unalaska, AlaskaMon, May 9, 9:53 AM AKDT · 3801 days ago · 15 km deep · 72 km away
55. 2.211 km NNW of Dutch Harbor, AlaskaMon, May 9, 4:24 PM AKDT · 3800 days ago · 102 km deep · 81 km away
56. 2.239 km SW of Unalaska, AlaskaTue, May 10, 1:05 AM AKDT · 3800 days ago · 81 km deep · 41 km away
57. 2.385 km S of Unalaska, AlaskaTue, May 10, 5:49 AM AKDT · 3800 days ago · 26 km deep · 70 km away
58. 1.668 km S of Unalaska, AlaskaTue, May 10, 7:49 AM AKDT · 3800 days ago · 7 km deep · 65 km away
59. 2.181 km S of Unalaska, AlaskaThu, May 12, 12:53 AM AKDT · 3798 days ago · 26 km deep · 79 km away
60. 1.848 km NNE of Nikolski, AlaskaThu, May 12, 5:25 AM AKDT · 3798 days ago · 13 km deep · 65 km away

The first 60 of 79.

Before

1. 2.063 km SW of Unalaska, AlaskaMon, Mar 28, 7:41 PM AKDT · 3842 days ago · 80 km deep · 23 km away
2. 2.456 km S of Unalaska, AlaskaSat, Mar 26, 1:58 PM AKDT · 3844 days ago · 16 km deep · 68 km away
3. 1.697 km SSW of Unalaska, AlaskaFri, Mar 25, 7:52 AM AKDT · 3846 days ago · 25 km deep · 67 km away
4. 1.515 km SW of Unalaska, AlaskaFri, Mar 25, 5:30 AM AKDT · 3846 days ago · 92 km deep · 65 km away
5. 1.974 km SSW of Unalaska, AlaskaTue, Mar 22, 2:13 PM AKDT · 3848 days ago · 28 km deep · 40 km away
6. 3.831 km NE of Nikolski, AlaskaTue, Mar 22, 2:04 AM AKDT · 3849 days ago · 106 km deep · 77 km away
7. 1.537 km SE of Unalaska, AlaskaMon, Mar 21, 5:12 PM AKDT · 3849 days ago · 25 km deep · 99 km away
8. 1.989 km E of Nikolski, AlaskaMon, Mar 21, 8:01 AM AKDT · 3850 days ago · 32 km deep · 59 km away
9. 2.868 km E of Nikolski, AlaskaSun, Mar 20, 4:37 PM AKDT · 3850 days ago · 46 km deep · 59 km away
10. 2.630 km ESE of Nikolski, AlaskaSun, Mar 20, 12:14 AM AKDT · 3851 days ago · 45 km deep · 89 km away
11. 2.643 km ESE of Nikolski, AlaskaSun, Mar 20, 12:14 AM AKDT · 3851 days ago · 39 km deep · 97 km away
12. 3.521 km NE of Nikolski, AlaskaSat, Mar 19, 4:44 PM AKDT · 3851 days ago · 93 km deep · 86 km away
13. 1.887 km SSW of Unalaska, AlaskaSat, Mar 19, 10:28 AM AKDT · 3852 days ago · 18 km deep · 52 km away
14. 3.952 km ESE of Nikolski, AlaskaSat, Mar 19, 1:41 AM AKDT · 3852 days ago · 26 km deep · 88 km away
15. 2.063 km SW of Unalaska, AlaskaWed, Mar 16, 7:03 PM AKDT · 3854 days ago · 78 km deep · 18 km away
16. 1.667 km SSW of Unalaska, AlaskaWed, Mar 16, 4:07 PM AKDT · 3854 days ago · 26 km deep · 37 km away
17. 2.727 km ENE of Nikolski, AlaskaMon, Mar 14, 4:09 AM AKDT · 3857 days ago · 72 km deep · 80 km away
18. 2.364 km ESE of Nikolski, AlaskaSat, Mar 12, 12:48 AM AKST · 3859 days ago · 32 km deep · 86 km away
19. 2.5106 km E of Nikolski, AlaskaFri, Mar 11, 10:44 PM AKST · 3859 days ago · 26 km deep · 75 km away
20. 2.157 km SSW of Unalaska, AlaskaFri, Mar 11, 12:01 PM AKST · 3859 days ago · 90 km deep · 38 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak016488fef7 (also filed as ak13396313). Read Mon, Oct 5, 2026, 6:42 AM UTC.