M1.8 earthquake 73 km WSW of Unalaska, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Wed, May 18, 2016, 9:30 AM AKDT

UTC

2016-05-18 17:30:32 UTC

Depth

13.2 km (8.2 mi), shallow

Epicenter

53.560° N, 167.519° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

19

• Unalaska, AlaskaPopulation 4,491. Forecast74 kmWSW

After

1. 1.877 km SW of Unalaska, AlaskaWed, May 18, 11:03 PM AKDT · 3790 days ago · 13 km deep · 10 km away
2. 3.347 km SW of Unalaska, AlaskaThu, May 19, 6:12 AM AKDT · 3790 days ago · 78 km deep · 36 km away
3. 1.869 km SSW of Unalaska, AlaskaThu, May 19, 1:24 PM AKDT · 3790 days ago · 47 km deep · 61 km away
4. 3.562 km SW of Unalaska, AlaskaSat, May 21, 4:46 AM AKDT · 3788 days ago · 28 km deep · 32 km away
5. 2.324 km SE of Unalaska, AlaskaSat, May 21, 5:17 PM AKDT · 3788 days ago · 69 km deep · 86 km away
6. 2.578 km SW of Unalaska, AlaskaSat, May 21, 11:20 PM AKDT · 3787 days ago · 74 km deep · 25 km away
7. 3.450 km SW of Unalaska, AlaskaSun, May 22, 2:05 AM AKDT · 3787 days ago · 179 km deep · 25 km away
8. 1.683 km ENE of Nikolski, AlaskaMon, May 23, 8:20 AM AKDT · 3786 days ago · 71 km deep · 51 km away
9. 2.552 km SSE of Unalaska, AlaskaFri, May 27, 3:28 AM AKDT · 3782 days ago · 50 km deep · 80 km away
10. 1.88 km ENE of Dutch Harbor, AlaskaSun, May 29, 5:12 AM AKDT · 3780 days ago · 111 km deep · 82 km away
11. 1.638 km SW of Unalaska, AlaskaSun, May 29, 8:25 PM AKDT · 3779 days ago · 8 km deep · 37 km away
12. 1.536 km SW of Unalaska, AlaskaSun, May 29, 8:28 PM AKDT · 3779 days ago · 14 km deep · 38 km away
13. 2.082 km S of Unalaska, AlaskaMon, May 30, 3:25 AM AKDT · 3779 days ago · 26 km deep · 80 km away
14. 2.225 km E of Nikolski, AlaskaTue, May 31, 5:50 PM AKDT · 3778 days ago · 42 km deep · 93 km away
15. 1.649 km SE of Unalaska, AlaskaWed, Jun 1, 8:25 AM AKDT · 3777 days ago · 31 km deep · 94 km away
16. 1.628 km SSW of Unalaska, AlaskaWed, Jun 1, 11:12 AM AKDT · 3777 days ago · 81 km deep · 53 km away
17. 1.725 km WSW of Dutch Harbor, AlaskaThu, Jun 2, 3:56 AM AKDT · 3776 days ago · 19 km deep · 50 km away
18. 2.156 km NE of Nikolski, AlaskaSat, Jun 4, 11:19 AM AKDT · 3774 days ago · 96 km deep · 60 km away
19. 1.959 km E of Nikolski, AlaskaSat, Jun 4, 6:35 PM AKDT · 3774 days ago · 38 km deep · 79 km away
20. 2.483 km NE of Nikolski, AlaskaMon, Jun 6, 7:45 AM AKDT · 3772 days ago · 106 km deep · 31 km away
21. 1.787 km SSW of Unalaska, AlaskaMon, Jun 6, 7:05 PM AKDT · 3772 days ago · 25 km deep · 52 km away
22. 1.987 km SSW of Unalaska, AlaskaTue, Jun 7, 12:23 PM AKDT · 3771 days ago · 33 km deep · 61 km away
23. 1.749 km NE of Nikolski, AlaskaWed, Jun 8, 2:10 PM AKDT · 3770 days ago · 8 km deep · 65 km away
24. 1.949 km NE of Nikolski, AlaskaWed, Jun 8, 3:14 PM AKDT · 3770 days ago · 11 km deep · 64 km away
25. 1.974 km SSW of Unalaska, AlaskaWed, Jun 8, 6:49 PM AKDT · 3770 days ago · 26 km deep · 58 km away
26. 2.049 km ESE of Nikolski, AlaskaWed, Jun 8, 11:20 PM AKDT · 3769 days ago · 43 km deep · 99 km away
27. 1.547 km NE of Nikolski, AlaskaWed, Jun 8, 11:33 PM AKDT · 3769 days ago · 8 km deep · 67 km away
28. 1.951 km NE of Nikolski, AlaskaWed, Jun 8, 11:43 PM AKDT · 3769 days ago · 7 km deep · 63 km away
29. 1.851 km NE of Nikolski, AlaskaWed, Jun 8, 11:45 PM AKDT · 3769 days ago · 12 km deep · 63 km away
30. 1.750 km NE of Nikolski, AlaskaWed, Jun 8, 11:48 PM AKDT · 3769 days ago · 10 km deep · 63 km away
31. 1.747 km NE of Nikolski, AlaskaThu, Jun 9, 12:29 AM AKDT · 3769 days ago · 11 km deep · 66 km away
32. 1.882 km SW of Unalaska, AlaskaFri, Jun 10, 4:51 AM AKDT · 3768 days ago · 86 km deep · 23 km away
33. 1.661 km SW of Unalaska, AlaskaSat, Jun 11, 1:45 AM AKDT · 3767 days ago · 7 km deep · 22 km away
34. 1.879 km E of Nikolski, AlaskaSat, Jun 11, 10:07 AM AKDT · 3767 days ago · 50 km deep · 65 km away
35. 3.460 km NNE of Nikolski, AlaskaSat, Jun 11, 4:09 PM AKDT · 3767 days ago · 24 km deep · 74 km away
36. 1.748 km NE of Nikolski, AlaskaSun, Jun 12, 5:41 AM AKDT · 3766 days ago · 7 km deep · 67 km away
37. 1.773 km NE of Nikolski, AlaskaSun, Jun 12, 11:24 PM AKDT · 3765 days ago · 85 km deep · 40 km away
38. 1.768 km SSW of Unalaska, AlaskaMon, Jun 13, 6:01 AM AKDT · 3765 days ago · 63 km deep · 47 km away
39. 3.5101 km SSW of Unalaska, AlaskaMon, Jun 13, 9:34 AM AKDT · 3765 days ago · 47 km deep · 60 km away
40. 2.5104 km SSW of Unalaska, AlaskaTue, Jun 14, 10:07 AM AKDT · 3764 days ago · 13 km deep · 58 km away
41. 2.164 km S of Unalaska, AlaskaWed, Jun 15, 4:31 AM AKDT · 3763 days ago · 47 km deep · 67 km away
42. 1.858 km SSE of Unalaska, AlaskaThu, Jun 16, 1:42 AM AKDT · 3762 days ago · 25 km deep · 84 km away
43. 3.873 km SSW of Unalaska, AlaskaFri, Jun 17, 5:04 AM AKDT · 3761 days ago · 33 km deep · 61 km away
44. 2.542 km NE of Nikolski, AlaskaSat, Jun 18, 12:56 AM AKDT · 3760 days ago · 87 km deep · 73 km away
45. 2.449 km ESE of Nikolski, AlaskaSat, Jun 18, 5:55 AM AKDT · 3760 days ago · 49 km deep · 97 km away
46. 2.016 km ENE of Dutch Harbor, AlaskaSat, Jun 18, 8:26 PM AKDT · 3759 days ago · 7 km deep · 90 km away
47. 1.677 km SW of Unalaska, AlaskaSat, Jun 18, 11:24 PM AKDT · 3759 days ago · 32 km deep · 10 km away
48. 1.575 km WSW of Unalaska, AlaskaSun, Jun 19, 2:40 AM AKDT · 3759 days ago · 9 km deep · 6 km away
49. 1.963 km ESE of Nikolski, AlaskaSun, Jun 19, 3:55 AM AKDT · 3759 days ago · 26 km deep · 94 km away
50. 1.717 km E of Unalaska, AlaskaSun, Jun 19, 4:02 AM AKDT · 3759 days ago · 81 km deep · 89 km away
51. 2.351 km ENE of Nikolski, AlaskaSun, Jun 19, 1:30 PM AKDT · 3759 days ago · 56 km deep · 62 km away
52. 1.517 km ENE of Unalaska, AlaskaSun, Jun 19, 2:15 PM AKDT · 3759 days ago · 6 km deep · 91 km away
53. 2.8116 km S of Unalaska, AlaskaMon, Jun 20, 9:51 AM AKDT · 3758 days ago · 29 km deep · 93 km away
54. 2.015 km N of Dutch Harbor, AlaskaTue, Jun 21, 10:05 PM AKDT · 3756 days ago · 112 km deep · 81 km away
55. 2.8102 km SSW of Unalaska, AlaskaSun, Jun 26, 12:15 AM AKDT · 3752 days ago · 37 km deep · 67 km away
56. 1.760 km SSE of Unalaska, AlaskaSun, Jun 26, 8:35 PM AKDT · 3751 days ago · 23 km deep · 92 km away
57. 1.840 km NE of Nikolski, AlaskaSun, Jun 26, 9:58 PM AKDT · 3751 days ago · 104 km deep · 75 km away
58. 1.963 km S of Unalaska, AlaskaMon, Jun 27, 8:24 PM AKDT · 3750 days ago · 26 km deep · 73 km away
59. 2.829 km S of Unalaska, AlaskaWed, Jun 29, 10:02 AM AKDT · 3749 days ago · 86 km deep · 66 km away
60. 1.672 km SW of Unalaska, AlaskaFri, Jul 1, 4:28 AM AKDT · 3747 days ago · 13 km deep · 19 km away

The first 60 of 75.

Before

1. 2.372 km SW of Unalaska, AlaskaTue, May 17, 11:48 AM AKDT · 3792 days ago · 28 km deep · 10 km away
2. 1.761 km SSE of Unalaska, AlaskaMon, May 16, 2:28 AM AKDT · 3793 days ago · 35 km deep · 94 km away
3. 3.499 km SSW of Unalaska, AlaskaSun, May 15, 9:24 PM AKDT · 3793 days ago · 32 km deep · 61 km away
4. 1.875 km S of Unalaska, AlaskaFri, May 13, 4:55 PM AKDT · 3796 days ago · 26 km deep · 75 km away
5. 1.848 km NNE of Nikolski, AlaskaThu, May 12, 5:25 AM AKDT · 3797 days ago · 13 km deep · 69 km away
6. 2.181 km S of Unalaska, AlaskaThu, May 12, 12:53 AM AKDT · 3797 days ago · 26 km deep · 82 km away
7. 1.668 km S of Unalaska, AlaskaTue, May 10, 7:49 AM AKDT · 3799 days ago · 7 km deep · 67 km away
8. 2.385 km S of Unalaska, AlaskaTue, May 10, 5:49 AM AKDT · 3799 days ago · 26 km deep · 74 km away
9. 2.239 km SW of Unalaska, AlaskaTue, May 10, 1:05 AM AKDT · 3799 days ago · 81 km deep · 37 km away
10. 2.211 km NNW of Dutch Harbor, AlaskaMon, May 9, 4:24 PM AKDT · 3800 days ago · 102 km deep · 74 km away
11. 2.486 km S of Unalaska, AlaskaMon, May 9, 9:53 AM AKDT · 3800 days ago · 15 km deep · 76 km away
12. 1.871 km SW of Unalaska, AlaskaSun, May 8, 7:58 PM AKDT · 3800 days ago · 13 km deep · 22 km away
13. 1.764 km SW of Unalaska, AlaskaSun, May 8, 11:43 AM AKDT · 3801 days ago · 15 km deep · 21 km away
14. 3.780 km SSW of Unalaska, AlaskaSun, May 8, 8:47 AM AKDT · 3801 days ago · 56 km deep · 51 km away
15. 1.739 km SSW of Unalaska, AlaskaSun, May 8, 2:30 AM AKDT · 3801 days ago · 74 km deep · 46 km away
16. 1.967 km WSW of Unalaska, AlaskaSun, May 8, 12:22 AM AKDT · 3801 days ago · 26 km deep · 7 km away
17. 2.365 km SW of Unalaska, AlaskaSat, May 7, 6:55 PM AKDT · 3802 days ago · 14 km deep · 16 km away
18. 2.080 km SSW of Unalaska, AlaskaSat, May 7, 1:56 PM AKDT · 3802 days ago · 19 km deep · 59 km away
19. 3.582 km SSW of Unalaska, AlaskaSat, May 7, 9:12 AM AKDT · 3802 days ago · 27 km deep · 60 km away
20. 3.889 km SSW of Unalaska, AlaskaSat, May 7, 8:58 AM AKDT · 3802 days ago · 27 km deep · 66 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0166e603xk (also filed as ak13591687). Read Sun, Oct 4, 2026, 3:06 PM UTC.