M1.9 earthquake 18 km SSW of Unalaska, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Wed, Jun 20, 2018, 2:26 AM AKDT

UTC

2018-06-20 10:26:11 UTC

Depth

75.9 km (47.2 mi), intermediate-depth

Epicenter

53.715° N, 166.610° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

21

• Unalaska, AlaskaPopulation 4,491. Forecast18 kmSSW

After

1. 3.478 km SE of Unalaska, AlaskaWed, Jun 20, 5:09 AM AKDT · 3025 days ago · 44 km deep · 73 km away
2. 2.2102 km E of Nikolski, AlaskaWed, Jun 20, 10:47 AM AKDT · 3025 days ago · 46 km deep · 99 km away
3. 2.246 km ESE of Unalaska, AlaskaWed, Jun 20, 11:03 PM AKDT · 3024 days ago · 24 km deep · 46 km away
4. 1.870 km SE of Unalaska, AlaskaFri, Jun 22, 1:48 AM AKDT · 3023 days ago · 13 km deep · 66 km away
5. 2.152 km SSE of Unalaska, AlaskaFri, Jun 22, 4:24 PM AKDT · 3023 days ago · 48 km deep · 37 km away
6. 1.771 km S of Akutan, AlaskaFri, Jun 22, 10:11 PM AKDT · 3023 days ago · 40 km deep · 72 km away
7. 1.636 km SW of Unalaska, AlaskaSat, Jun 23, 3:43 PM AKDT · 3022 days ago · 10 km deep · 22 km away
8. 2.275 km SSW of Unalaska, AlaskaSun, Jun 24, 12:23 PM AKDT · 3021 days ago · 26 km deep · 57 km away
9. 3.026 km ENE of Dutch Harbor, AlaskaMon, Jun 25, 4:42 PM AKDT · 3020 days ago · 111 km deep · 42 km away
10. 2.370 km SW of Unalaska, AlaskaMon, Jun 25, 7:14 PM AKDT · 3020 days ago · 66 km deep · 54 km away
11. 1.868 km SE of Unalaska, AlaskaTue, Jun 26, 6:35 AM AKDT · 3019 days ago · 34 km deep · 62 km away
12. 2.291 km SSW of Unalaska, AlaskaWed, Jun 27, 5:40 AM AKDT · 3018 days ago · 26 km deep · 73 km away
13. 2.047 km SE of Akutan, AlaskaWed, Jun 27, 2:49 PM AKDT · 3018 days ago · 57 km deep · 84 km away
14. 1.728 km E of Unalaska, AlaskaThu, Jun 28, 12:23 AM AKDT · 3017 days ago · 97 km deep · 35 km away
15. 1.619 km SSE of Unalaska, AlaskaThu, Jun 28, 2:12 AM AKDT · 3017 days ago · 97 km deep · 10 km away
16. 2.940 km SE of Unalaska, AlaskaThu, Jun 28, 5:24 AM AKDT · 3017 days ago · 70 km deep · 36 km away
17. 1.691 km SSW of Unalaska, AlaskaSat, Jun 30, 11:15 AM AKDT · 3015 days ago · 26 km deep · 74 km away
18. 1.760 km S of Akutan, AlaskaSun, Jul 1, 7:13 PM AKDT · 3014 days ago · 45 km deep · 60 km away
19. 3.371 km SSE of Akutan, AlaskaWed, Jul 4, 6:39 PM AKDT · 3011 days ago · 48 km deep · 88 km away
20. 1.959 km SE of Unalaska, AlaskaThu, Jul 5, 11:55 AM AKDT · 3010 days ago · 8 km deep · 56 km away
21. 3.574 km S of Unalaska, AlaskaFri, Jul 6, 1:23 AM AKDT · 3009 days ago · 28 km deep · 57 km away
22. 1.988 km ENE of Nikolski, AlaskaFri, Jul 6, 10:09 PM AKDT · 3009 days ago · 26 km deep · 85 km away
23. 2.068 km SW of Unalaska, AlaskaSat, Jul 7, 3:50 AM AKDT · 3008 days ago · 13 km deep · 54 km away
24. 2.325 km ESE of Unalaska, AlaskaTue, Jul 10, 3:06 AM AKDT · 3005 days ago · 90 km deep · 31 km away
25. 3.691 km SSW of Unalaska, AlaskaTue, Jul 10, 5:31 PM AKDT · 3005 days ago · 28 km deep · 73 km away
26. 2.595 km SSW of Unalaska, AlaskaTue, Jul 10, 5:39 PM AKDT · 3005 days ago · 19 km deep · 77 km away
27. 1.967 km S of Unalaska, AlaskaWed, Jul 11, 5:34 AM AKDT · 3004 days ago · 26 km deep · 50 km away
28. 1.742 km ESE of Unalaska, AlaskaWed, Jul 11, 8:25 AM AKDT · 3004 days ago · 95 km deep · 44 km away
29. 1.514 km NE of Dutch Harbor, AlaskaFri, Jul 13, 9:35 AM AKDT · 3002 days ago · 15 km deep · 33 km away
30. 2.864 km SE of Unalaska, AlaskaSat, Jul 14, 5:37 AM AKDT · 3001 days ago · 35 km deep · 56 km away
31. 2.567 km S of Unalaska, AlaskaSat, Jul 14, 8:10 PM AKDT · 3001 days ago · 86 km deep · 50 km away
32. 1.634 km SW of Unalaska, AlaskaSun, Jul 15, 3:22 AM AKDT · 3000 days ago · 16 km deep · 21 km away
33. 1.963 km SSE of Unalaska, AlaskaSun, Jul 15, 5:51 AM AKDT · 3000 days ago · 26 km deep · 50 km away
34. 1.733 km S of Akutan, AlaskaSun, Jul 15, 5:28 PM AKDT · 3000 days ago · 67 km deep · 51 km away
35. 1.835 km SW of Unalaska, AlaskaSun, Jul 15, 9:42 PM AKDT · 3000 days ago · 15 km deep · 22 km away
36. 2.074 km SSE of Akutan, AlaskaMon, Jul 16, 12:24 AM AKDT · 2999 days ago · 57 km deep · 93 km away
37. 1.967 km SSW of Unalaska, AlaskaMon, Jul 16, 1:58 AM AKDT · 2999 days ago · 47 km deep · 49 km away
38. 2.666 km SSW of Unalaska, AlaskaMon, Jul 16, 5:52 PM AKDT · 2999 days ago · 73 km deep · 49 km away
39. 2.336 km WSW of Unalaska, AlaskaTue, Jul 17, 12:14 AM AKDT · 2998 days ago · 6 km deep · 28 km away
40. 2.138 km WSW of Unalaska, AlaskaTue, Jul 17, 12:19 AM AKDT · 2998 days ago · 5 km deep · 32 km away
41. 1.938 km WSW of Dutch Harbor, AlaskaTue, Jul 17, 12:26 AM AKDT · 2998 days ago · 7 km deep · 34 km away
42. 1.835 km WSW of Unalaska, AlaskaTue, Jul 17, 12:31 AM AKDT · 2998 days ago · 5 km deep · 26 km away
43. 2.175 km SSE of Akutan, AlaskaTue, Jul 17, 9:21 PM AKDT · 2998 days ago · 47 km deep · 90 km away
44. 2.344 km SE of Akutan, AlaskaTue, Jul 17, 10:31 PM AKDT · 2997 days ago · 62 km deep · 86 km away
45. 2.055 km SW of Unalaska, AlaskaThu, Jul 19, 11:16 PM AKDT · 2995 days ago · 16 km deep · 42 km away
46. 1.790 km SW of Unalaska, AlaskaFri, Jul 20, 6:09 AM AKDT · 2995 days ago · 83 km deep · 75 km away
47. 1.635 km SW of Unalaska, AlaskaSun, Jul 22, 1:56 AM AKDT · 2993 days ago · 11 km deep · 20 km away
48. 2.016 km WSW of Dutch Harbor, AlaskaSun, Jul 22, 3:57 AM AKDT · 2993 days ago · 5 km deep · 20 km away
49. 2.155 km SSE of Akutan, AlaskaSun, Jul 22, 9:58 AM AKDT · 2993 days ago · 43 km deep · 83 km away
50. 1.635 km SW of Unalaska, AlaskaSun, Jul 22, 10:45 AM AKDT · 2993 days ago · 16 km deep · 22 km away
51. 2.035 km SW of Unalaska, AlaskaSun, Jul 22, 12:00 PM AKDT · 2993 days ago · 15 km deep · 23 km away
52. 1.542 km ESE of Unalaska, AlaskaSun, Jul 22, 12:39 PM AKDT · 2993 days ago · 35 km deep · 43 km away
53. 2.621 km SSE of Akutan, AlaskaSun, Jul 22, 4:35 PM AKDT · 2993 days ago · 118 km deep · 71 km away
54. 1.915 km WSW of Dutch Harbor, AlaskaMon, Jul 23, 12:21 AM AKDT · 2992 days ago · 5 km deep · 19 km away
55. 2.284 km SSW of Unalaska, AlaskaTue, Jul 24, 10:02 AM AKDT · 2991 days ago · 40 km deep · 66 km away
56. 1.716 km WSW of Dutch Harbor, AlaskaTue, Jul 24, 5:30 PM AKDT · 2991 days ago · 6 km deep · 19 km away
57. 2.017 km WSW of Dutch Harbor, AlaskaTue, Jul 24, 6:33 PM AKDT · 2991 days ago · 7 km deep · 20 km away
58. 1.817 km WSW of Dutch Harbor, AlaskaTue, Jul 24, 9:43 PM AKDT · 2991 days ago · 9 km deep · 20 km away
59. 1.617 km WSW of Dutch Harbor, AlaskaTue, Jul 24, 9:46 PM AKDT · 2991 days ago · 5 km deep · 20 km away
60. 1.817 km W of Dutch Harbor, AlaskaTue, Jul 24, 10:20 PM AKDT · 2991 days ago · 8 km deep · 21 km away

The first 60 of 90.

Before

1. 1.559 km SE of Unalaska, AlaskaTue, Jun 19, 11:34 PM AKDT · 3025 days ago · 37 km deep · 52 km away
2. 2.188 km SW of Unalaska, AlaskaMon, Jun 18, 12:56 PM AKDT · 3027 days ago · 9 km deep · 72 km away
3. 2.391 km SW of Unalaska, AlaskaMon, Jun 18, 12:25 PM AKDT · 3027 days ago · 33 km deep · 74 km away
4. 1.887 km SSW of Unalaska, AlaskaSun, Jun 17, 10:35 PM AKDT · 3027 days ago · 26 km deep · 69 km away
5. 2.489 km SSW of Unalaska, AlaskaSun, Jun 17, 10:25 PM AKDT · 3027 days ago · 26 km deep · 71 km away
6. 2.562 km SE of Unalaska, AlaskaSun, Jun 17, 10:23 PM AKDT · 3028 days ago · 35 km deep · 55 km away
7. 2.791 km SSW of Unalaska, AlaskaSun, Jun 17, 10:21 PM AKDT · 3028 days ago · 29 km deep · 73 km away
8. 2.030 km E of Unalaska, AlaskaSun, Jun 17, 4:10 PM AKDT · 3028 days ago · 92 km deep · 40 km away
9. 2.535 km NNE of Dutch Harbor, AlaskaSun, Jun 17, 4:34 AM AKDT · 3028 days ago · 188 km deep · 55 km away
10. 1.815 km WNW of Akutan, AlaskaSun, Jun 17, 3:37 AM AKDT · 3028 days ago · 17 km deep · 68 km away
11. 1.738 km SW of Unalaska, AlaskaSun, Jun 17, 1:45 AM AKDT · 3028 days ago · 15 km deep · 25 km away
12. 2.161 km SW of Unalaska, AlaskaSat, Jun 16, 10:56 PM AKDT · 3028 days ago · 13 km deep · 49 km away
13. 2.113 km WSW of Akutan, AlaskaSat, Jun 16, 1:22 PM AKDT · 3029 days ago · 7 km deep · 59 km away
14. 1.714 km W of Akutan, AlaskaSat, Jun 16, 11:50 AM AKDT · 3029 days ago · 13 km deep · 60 km away
15. 2.076 km SSE of Akutan, AlaskaSat, Jun 16, 11:28 AM AKDT · 3029 days ago · 48 km deep · 91 km away
16. 2.46 km WSW of Unalaska, AlaskaFri, Jun 15, 3:13 PM AKDT · 3030 days ago · 103 km deep · 16 km away
17. 1.655 km S of Akutan, AlaskaThu, Jun 14, 8:15 AM AKDT · 3031 days ago · 52 km deep · 57 km away
18. 1.555 km SW of Unalaska, AlaskaThu, Jun 14, 12:26 AM AKDT · 3031 days ago · 14 km deep · 43 km away
19. 1.652 km SW of Unalaska, AlaskaWed, Jun 13, 5:50 PM AKDT · 3032 days ago · 15 km deep · 37 km away
20. 1.953 km SW of Unalaska, AlaskaWed, Jun 13, 3:55 AM AKDT · 3032 days ago · 18 km deep · 40 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0187uz0a0h (also filed as ak19786536). Read Thu, Oct 1, 2026, 5:54 PM UTC.