M1.8 earthquake 73 km S of Unalaska, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Fri, Apr 1, 2016, 3:35 AM AKDT

UTC

2016-04-01 11:35:46 UTC

Depth

49.8 km (30.9 mi), shallow

Epicenter

53.223° N, 166.691° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

12

• Unalaska, AlaskaPopulation 4,491. Forecast73 kmS

After

1. 1.668 km SE of Unalaska, AlaskaFri, Apr 1, 7:45 AM AKDT · 3838 days ago · 14 km deep · 59 km away
2. 1.947 km ESE of Unalaska, AlaskaSat, Apr 2, 5:28 PM AKDT · 3837 days ago · 25 km deep · 74 km away
3. 3.220 km NNE of Dutch Harbor, AlaskaMon, Apr 4, 7:42 AM AKDT · 3835 days ago · 112 km deep · 95 km away
4. 1.755 km S of Unalaska, AlaskaMon, Apr 4, 2:50 PM AKDT · 3835 days ago · 52 km deep · 22 km away
5. 2.2124 km S of Unalaska, AlaskaMon, Apr 4, 3:23 PM AKDT · 3835 days ago · 20 km deep · 52 km away
6. 1.863 km SSE of Unalaska, AlaskaMon, Apr 4, 10:27 PM AKDT · 3835 days ago · 23 km deep · 44 km away
7. 2.3104 km SE of Unalaska, AlaskaThu, Apr 7, 1:43 AM AKDT · 3832 days ago · 26 km deep · 81 km away
8. 2.6Fox Islands, Aleutian Islands, AlaskaThu, Apr 7, 2:22 AM AKDT · 3832 days ago · 91 km deep · 15 km away
9. 2.083 km SSE of Akutan, AlaskaThu, Apr 7, 6:34 AM AKDT · 3832 days ago · 26 km deep · 97 km away
10. 1.9105 km SE of Unalaska, AlaskaThu, Apr 7, 2:50 PM AKDT · 3832 days ago · 15 km deep · 73 km away
11. 3.088 km SSW of Unalaska, AlaskaFri, Apr 8, 12:13 PM AKDT · 3831 days ago · 41 km deep · 20 km away
12. 1.865 km SE of Unalaska, AlaskaSat, Apr 9, 8:36 AM AKDT · 3830 days ago · 26 km deep · 57 km away
13. 1.618 km S of Unalaska, AlaskaSat, Apr 9, 9:14 AM AKDT · 3830 days ago · 67 km deep · 55 km away
14. 1.881 km WSW of Unalaska, AlaskaSat, Apr 9, 1:14 PM AKDT · 3830 days ago · 40 km deep · 64 km away
15. 1.669 km SE of Unalaska, AlaskaSun, Apr 10, 12:16 AM AKDT · 3829 days ago · 23 km deep · 52 km away
16. 1.9137 km ESE of Nikolski, AlaskaMon, Apr 11, 11:31 AM AKDT · 3828 days ago · 13 km deep · 78 km away
17. 2.189 km SSW of Unalaska, AlaskaTue, Apr 12, 7:07 AM AKDT · 3827 days ago · 43 km deep · 31 km away
18. 1.852 km ESE of Unalaska, AlaskaTue, Apr 12, 9:04 AM AKDT · 3827 days ago · 26 km deep · 73 km away
19. 2.383 km SSE of Akutan, AlaskaTue, Apr 12, 1:37 PM AKDT · 3827 days ago · 26 km deep · 98 km away
20. 1.865 km SE of Unalaska, AlaskaWed, Apr 13, 4:39 PM AKDT · 3826 days ago · 45 km deep · 55 km away
21. 1.771 km SE of Unalaska, AlaskaWed, Apr 13, 4:46 PM AKDT · 3826 days ago · 25 km deep · 58 km away
22. 2.063 km SSE of Unalaska, AlaskaThu, Apr 14, 6:25 PM AKDT · 3825 days ago · 47 km deep · 37 km away
23. 2.059 km SSW of Unalaska, AlaskaFri, Apr 15, 9:47 PM AKDT · 3824 days ago · 71 km deep · 27 km away
24. 2.283 km SSE of Akutan, AlaskaSat, Apr 16, 8:36 PM AKDT · 3823 days ago · 42 km deep · 83 km away
25. 1.983 km E of Nikolski, AlaskaTue, Apr 19, 11:09 AM AKDT · 3820 days ago · 48 km deep · 66 km away
26. 1.673 km WSW of Unalaska, AlaskaThu, Apr 21, 1:59 AM AKDT · 3818 days ago · 20 km deep · 66 km away
27. 1.675 km SW of Unalaska, AlaskaThu, Apr 21, 2:20 AM AKDT · 3818 days ago · 13 km deep · 60 km away
28. 1.974 km WSW of Unalaska, AlaskaThu, Apr 21, 2:22 AM AKDT · 3818 days ago · 12 km deep · 67 km away
29. 1.772 km WSW of Unalaska, AlaskaThu, Apr 21, 3:28 AM AKDT · 3818 days ago · 19 km deep · 67 km away
30. 2.062 km E of Nikolski, AlaskaThu, Apr 21, 9:08 AM AKDT · 3818 days ago · 51 km deep · 90 km away
31. 2.167 km SSW of Unalaska, AlaskaThu, Apr 21, 12:57 PM AKDT · 3818 days ago · 42 km deep · 9 km away
32. 2.379 km SSE of Akutan, AlaskaSat, Apr 23, 4:44 AM AKDT · 3816 days ago · 57 km deep · 85 km away
33. 2.264 km SSW of Unalaska, AlaskaMon, Apr 25, 8:58 PM AKDT · 3814 days ago · 69 km deep · 28 km away
34. 1.928 km E of Unalaska, AlaskaMon, Apr 25, 9:11 PM AKDT · 3814 days ago · 73 km deep · 79 km away
35. 1.854 km SW of Unalaska, AlaskaMon, Apr 25, 11:13 PM AKDT · 3814 days ago · 18 km deep · 55 km away
36. 1.552 km SW of Unalaska, AlaskaTue, Apr 26, 12:59 AM AKDT · 3813 days ago · 15 km deep · 49 km away
37. 1.954 km WSW of Unalaska, AlaskaTue, Apr 26, 6:52 PM AKDT · 3813 days ago · 19 km deep · 59 km away
38. 2.490 km ENE of Nikolski, AlaskaThu, Apr 28, 3:26 PM AKDT · 3811 days ago · 71 km deep · 68 km away
39. 1.756 km SW of Unalaska, AlaskaThu, Apr 28, 9:42 PM AKDT · 3811 days ago · 15 km deep · 48 km away
40. 1.670 km S of Akutan, AlaskaThu, Apr 28, 10:32 PM AKDT · 3811 days ago · 20 km deep · 75 km away
41. 1.674 km SSE of Akutan, AlaskaFri, Apr 29, 6:56 AM AKDT · 3810 days ago · 6 km deep · 86 km away
42. 1.963 km SSE of Akutan, AlaskaFri, Apr 29, 11:15 AM AKDT · 3810 days ago · 65 km deep · 96 km away
43. 4.075 km E of Nikolski, AlaskaSat, Apr 30, 11:15 AM AKDT · 3809 days ago · 39 km deep · 78 km away
44. 1.814 km ENE of Unalaska, AlaskaSun, May 1, 7:47 PM AKDT · 3808 days ago · 91 km deep · 81 km away
45. 2.666 km SW of Unalaska, AlaskaSun, May 1, 9:07 PM AKDT · 3808 days ago · 57 km deep · 36 km away
46. 2.189 km E of Nikolski, AlaskaTue, May 3, 6:55 AM AKDT · 3806 days ago · 60 km deep · 60 km away
47. 1.542 km SW of Unalaska, AlaskaTue, May 3, 6:46 PM AKDT · 3806 days ago · 4 km deep · 45 km away
48. 2.084 km E of Nikolski, AlaskaTue, May 3, 7:26 PM AKDT · 3806 days ago · 39 km deep · 69 km away
49. 1.877 km SW of Unalaska, AlaskaTue, May 3, 7:35 PM AKDT · 3806 days ago · 17 km deep · 46 km away
50. 2.054 km WSW of Unalaska, AlaskaWed, May 4, 12:18 AM AKDT · 3805 days ago · 20 km deep · 59 km away
51. 1.847 km SW of Unalaska, AlaskaWed, May 4, 11:07 PM AKDT · 3805 days ago · 77 km deep · 39 km away
52. 2.071 km SE of Unalaska, AlaskaThu, May 5, 12:31 AM AKDT · 3804 days ago · 26 km deep · 74 km away
53. 1.576 km SW of Unalaska, AlaskaThu, May 5, 1:05 AM AKDT · 3804 days ago · 12 km deep · 50 km away
54. 2.273 km SE of Unalaska, AlaskaThu, May 5, 8:56 AM AKDT · 3804 days ago · 20 km deep · 75 km away
55. 1.964 km SE of Unalaska, AlaskaFri, May 6, 4:03 AM AKDT · 3803 days ago · 22 km deep · 56 km away
56. 2.073 km SSW of Unalaska, AlaskaFri, May 6, 8:28 PM AKDT · 3803 days ago · 46 km deep · 7 km away
57. 3.889 km SSW of Unalaska, AlaskaSat, May 7, 8:58 AM AKDT · 3802 days ago · 27 km deep · 19 km away
58. 3.582 km SSW of Unalaska, AlaskaSat, May 7, 9:12 AM AKDT · 3802 days ago · 27 km deep · 15 km away
59. 1.976 km SSE of Akutan, AlaskaSat, May 7, 12:19 PM AKDT · 3802 days ago · 16 km deep · 86 km away
60. 2.080 km SSW of Unalaska, AlaskaSat, May 7, 1:56 PM AKDT · 3802 days ago · 19 km deep · 14 km away

The first 60 of 114.

Before

1. 1.879 km WSW of Unalaska, AlaskaThu, Mar 31, 9:01 PM AKDT · 3839 days ago · 31 km deep · 63 km away
2. 2.063 km SW of Unalaska, AlaskaMon, Mar 28, 7:41 PM AKDT · 3842 days ago · 80 km deep · 43 km away
3. 1.885 km SSE of Akutan, AlaskaMon, Mar 28, 12:51 PM AKDT · 3842 days ago · 15 km deep · 99 km away
4. 3.083 km SE of Unalaska, AlaskaSat, Mar 26, 3:23 PM AKDT · 3844 days ago · 39 km deep · 64 km away
5. 1.825 km ENE of Dutch Harbor, AlaskaSat, Mar 26, 2:23 PM AKDT · 3844 days ago · 7 km deep · 92 km away
6. 1.924 km ENE of Dutch Harbor, AlaskaSat, Mar 26, 2:22 PM AKDT · 3844 days ago · 6 km deep · 91 km away
7. 2.456 km S of Unalaska, AlaskaSat, Mar 26, 1:58 PM AKDT · 3844 days ago · 16 km deep · 19 km away
8. 2.355 km SE of Unalaska, AlaskaFri, Mar 25, 4:47 PM AKDT · 3845 days ago · 40 km deep · 61 km away
9. 1.697 km SSW of Unalaska, AlaskaFri, Mar 25, 7:52 AM AKDT · 3845 days ago · 25 km deep · 26 km away
10. 1.515 km SW of Unalaska, AlaskaFri, Mar 25, 5:30 AM AKDT · 3845 days ago · 92 km deep · 60 km away
11. 1.592 km SE of Unalaska, AlaskaFri, Mar 25, 2:23 AM AKDT · 3845 days ago · 26 km deep · 70 km away
12. 1.974 km SSW of Unalaska, AlaskaTue, Mar 22, 2:13 PM AKDT · 3848 days ago · 28 km deep · 24 km away
13. 1.537 km SE of Unalaska, AlaskaMon, Mar 21, 5:12 PM AKDT · 3849 days ago · 25 km deep · 65 km away
14. 1.989 km E of Nikolski, AlaskaMon, Mar 21, 8:01 AM AKDT · 3849 days ago · 32 km deep · 63 km away
15. 2.868 km E of Nikolski, AlaskaSun, Mar 20, 4:37 PM AKDT · 3850 days ago · 46 km deep · 81 km away
16. 1.887 km SSW of Unalaska, AlaskaSat, Mar 19, 10:28 AM AKDT · 3851 days ago · 18 km deep · 23 km away
17. 2.5100 km ESE of Nikolski, AlaskaThu, Mar 17, 10:46 AM AKDT · 3853 days ago · 41 km deep · 100 km away
18. 2.063 km SW of Unalaska, AlaskaWed, Mar 16, 7:03 PM AKDT · 3854 days ago · 78 km deep · 49 km away
19. 1.667 km SSW of Unalaska, AlaskaWed, Mar 16, 4:07 PM AKDT · 3854 days ago · 26 km deep · 27 km away
20. 1.976 km SE of Unalaska, AlaskaWed, Mar 16, 1:16 PM AKDT · 3854 days ago · 42 km deep · 75 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak01648c7ard (also filed as ak13396331). Read Sun, Oct 4, 2026, 6:53 PM UTC.