M1.9 earthquake 113 km SW of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Fri, Aug 17, 2018, 4:12 PM HADT

UTC

2018-08-18 01:12:23 UTC

Depth

20.4 km (12.7 mi), shallow

Epicenter

51.232° N, 177.911° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

19

After

1. 2.7164 km SW of Adak, AlaskaFri, Aug 17, 10:02 PM HADT · 2967 days ago · 10 km deep · 54 km away
2. 2.6133 km SW of Adak, AlaskaFri, Aug 17, 10:32 PM HADT · 2967 days ago · 35 km deep · 20 km away
3. 1.796 km SW of Adak, AlaskaSat, Aug 18, 1:18 AM HADT · 2967 days ago · 17 km deep · 21 km away
4. 1.7117 km SW of Adak, AlaskaSat, Aug 18, 3:09 AM HADT · 2967 days ago · 19 km deep · 11 km away
5. 1.8116 km WSW of Adak, AlaskaSat, Aug 18, 5:27 AM HADT · 2967 days ago · 49 km deep · 17 km away
6. 1.6120 km SW of Adak, AlaskaSat, Aug 18, 7:32 AM HADT · 2967 days ago · 20 km deep · 7 km away
7. 1.8198 km WSW of Adak, AlaskaSat, Aug 18, 7:56 AM HADT · 2967 days ago · 26 km deep · 99 km away
8. 3.196 km SW of Adak, AlaskaSat, Aug 18, 8:08 AM HADT · 2967 days ago · 24 km deep · 21 km away
9. 1.9118 km SW of Adak, AlaskaSat, Aug 18, 8:32 AM HADT · 2967 days ago · 22 km deep · 9 km away
10. 1.851 km S of Adak, AlaskaSat, Aug 18, 9:20 AM HADT · 2967 days ago · 33 km deep · 93 km away
11. 1.896 km SW of Adak, AlaskaSat, Aug 18, 11:13 AM HADT · 2967 days ago · 42 km deep · 18 km away
12. 1.8100 km SW of Adak, AlaskaSat, Aug 18, 12:24 PM HADT · 2967 days ago · 26 km deep · 16 km away
13. 1.8105 km SW of Adak, AlaskaSat, Aug 18, 1:12 PM HADT · 2967 days ago · 26 km deep · 14 km away
14. 1.8110 km SW of Adak, AlaskaSat, Aug 18, 1:31 PM HADT · 2966 days ago · 49 km deep · 7 km away
15. 1.5100 km SW of Adak, AlaskaSat, Aug 18, 2:07 PM HADT · 2966 days ago · 33 km deep · 13 km away
16. 1.8105 km SW of Adak, AlaskaSat, Aug 18, 5:47 PM HADT · 2966 days ago · 46 km deep · 9 km away
17. 3.4105 km SW of Adak, AlaskaSat, Aug 18, 6:15 PM HADT · 2966 days ago · 30 km deep · 18 km away
18. 1.5Andreanof Islands, Aleutian Islands, AlaskaSat, Aug 18, 6:26 PM HADT · 2966 days ago · 35 km deep · 33 km away
19. 2.3183 km WSW of Adak, AlaskaSat, Aug 18, 6:52 PM HADT · 2966 days ago · 26 km deep · 75 km away
20. 1.8115 km WSW of Adak, AlaskaSun, Aug 19, 12:24 AM HADT · 2966 days ago · 54 km deep · 15 km away
21. 2.097 km SW of Adak, AlaskaSun, Aug 19, 1:03 AM HADT · 2966 days ago · 43 km deep · 18 km away
22. 2.5111 km WSW of Adak, AlaskaSun, Aug 19, 1:41 AM HADT · 2966 days ago · 53 km deep · 19 km away
23. 1.8109 km SW of Adak, AlaskaSun, Aug 19, 4:39 AM HADT · 2966 days ago · 38 km deep · 6 km away
24. 2.1117 km SW of Adak, AlaskaMon, Aug 20, 2:06 AM HADT · 2965 days ago · 17 km deep · 5 km away
25. 1.938 km S of Adak, AlaskaMon, Aug 20, 4:29 AM HADT · 2965 days ago · 46 km deep · 93 km away
26. 2.739 km S of Adak, AlaskaMon, Aug 20, 6:35 AM HADT · 2965 days ago · 35 km deep · 92 km away
27. 2.349 km SW of Adak, AlaskaMon, Aug 20, 3:01 PM HADT · 2964 days ago · 39 km deep · 65 km away
28. 1.8126 km WSW of Adak, AlaskaTue, Aug 21, 1:25 PM HADT · 2963 days ago · 12 km deep · 60 km away
29. 2.0104 km SW of Adak, AlaskaTue, Aug 21, 11:42 PM HADT · 2963 days ago · 21 km deep · 10 km away
30. 2.299 km SW of Adak, AlaskaWed, Aug 22, 12:23 AM HADT · 2963 days ago · 22 km deep · 15 km away
31. 2.0130 km WSW of Adak, AlaskaWed, Aug 22, 7:03 AM HADT · 2963 days ago · 5 km deep · 61 km away
32. 2.0106 km SW of Adak, AlaskaWed, Aug 22, 7:10 AM HADT · 2963 days ago · 26 km deep · 12 km away
33. 1.7102 km SW of Adak, AlaskaWed, Aug 22, 7:50 AM HADT · 2963 days ago · 21 km deep · 13 km away
34. 1.9109 km SW of Adak, AlaskaWed, Aug 22, 2:44 PM HADT · 2962 days ago · 39 km deep · 8 km away
35. 2.299 km SW of Adak, AlaskaWed, Aug 22, 3:22 PM HADT · 2962 days ago · 25 km deep · 15 km away
36. 2.4118 km SW of Adak, AlaskaWed, Aug 22, 3:22 PM HADT · 2962 days ago · 29 km deep · 14 km away
37. 3.799 km SW of Adak, AlaskaWed, Aug 22, 3:27 PM HADT · 2962 days ago · 34 km deep · 16 km away
38. 6.397 km SW of Adak, AlaskaWed, Aug 22, 6:35 PM HADT · 2962 days ago · 20 km deep · 17 km away · tsunami flag
39. 3.1102 km SW of Adak, AlaskaWed, Aug 22, 6:40 PM HADT · 2962 days ago · 17 km deep · 28 km away
40. 2.991 km SW of Adak, AlaskaWed, Aug 22, 6:42 PM HADT · 2962 days ago · 31 km deep · 30 km away
41. 2.694 km SW of Adak, AlaskaWed, Aug 22, 6:43 PM HADT · 2962 days ago · 27 km deep · 24 km away
42. 2.5101 km SW of Adak, AlaskaWed, Aug 22, 6:46 PM HADT · 2962 days ago · 35 km deep · 15 km away
43. 2.1128 km WSW of Adak, AlaskaWed, Aug 22, 7:10 PM HADT · 2962 days ago · 16 km deep · 57 km away
44. 1.996 km SW of Adak, AlaskaWed, Aug 22, 7:21 PM HADT · 2962 days ago · 47 km deep · 19 km away
45. 2.496 km SW of Adak, AlaskaWed, Aug 22, 7:22 PM HADT · 2962 days ago · 42 km deep · 19 km away
46. 3.0103 km SW of Adak, AlaskaWed, Aug 22, 7:29 PM HADT · 2962 days ago · 31 km deep · 13 km away
47. 2.395 km SW of Adak, AlaskaWed, Aug 22, 7:37 PM HADT · 2962 days ago · 38 km deep · 18 km away
48. 2.7100 km SW of Adak, AlaskaWed, Aug 22, 7:52 PM HADT · 2962 days ago · 33 km deep · 19 km away
49. 2.192 km SW of Adak, AlaskaWed, Aug 22, 7:55 PM HADT · 2962 days ago · 32 km deep · 27 km away
50. 2.389 km SW of Adak, AlaskaWed, Aug 22, 8:03 PM HADT · 2962 days ago · 46 km deep · 25 km away
51. 2.294 km SW of Adak, AlaskaWed, Aug 22, 8:22 PM HADT · 2962 days ago · 21 km deep · 24 km away
52. 1.9101 km SW of Adak, AlaskaWed, Aug 22, 8:27 PM HADT · 2962 days ago · 26 km deep · 14 km away
53. 2.899 km SW of Adak, AlaskaWed, Aug 22, 8:37 PM HADT · 2962 days ago · 30 km deep · 21 km away
54. 2.1Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 22, 8:58 PM HADT · 2962 days ago · 25 km deep · 29 km away
55. 2.295 km SW of Adak, AlaskaWed, Aug 22, 9:09 PM HADT · 2962 days ago · 34 km deep · 21 km away
56. 2.295 km SW of Adak, AlaskaWed, Aug 22, 9:17 PM HADT · 2962 days ago · 25 km deep · 20 km away
57. 2.397 km SW of Adak, AlaskaWed, Aug 22, 10:23 PM HADT · 2962 days ago · 23 km deep · 18 km away
58. 2.297 km SW of Adak, AlaskaWed, Aug 22, 10:38 PM HADT · 2962 days ago · 22 km deep · 17 km away
59. 2.499 km SW of Adak, AlaskaWed, Aug 22, 11:23 PM HADT · 2962 days ago · 23 km deep · 16 km away
60. 2.195 km SW of Adak, AlaskaThu, Aug 23, 12:14 AM HADT · 2962 days ago · 38 km deep · 19 km away

The first 60 of at least 200.

Before

1. 2.0100 km SW of Adak, AlaskaFri, Aug 17, 3:13 PM HADT · 2967 days ago · 26 km deep · 15 km away
2. 3.0112 km SW of Adak, AlaskaFri, Aug 17, 1:50 PM HADT · 2967 days ago · 29 km deep · 2 km away
3. 2.185 km SW of Adak, AlaskaFri, Aug 17, 9:30 AM HADT · 2968 days ago · 35 km deep · 33 km away
4. 2.2100 km WSW of Adak, AlaskaFri, Aug 17, 7:16 AM HADT · 2968 days ago · 61 km deep · 21 km away
5. 3.5Andreanof Islands, Aleutian Islands, AlaskaFri, Aug 17, 6:08 AM HADT · 2968 days ago · 35 km deep · 11 km away
6. 2.5129 km W of Adak, AlaskaFri, Aug 17, 6:05 AM HADT · 2968 days ago · 29 km deep · 67 km away
7. 2.5102 km SW of Adak, AlaskaFri, Aug 17, 5:42 AM HADT · 2968 days ago · 31 km deep · 15 km away
8. 2.3118 km SW of Adak, AlaskaFri, Aug 17, 5:25 AM HADT · 2968 days ago · 26 km deep · 5 km away
9. 2.8103 km SW of Adak, AlaskaFri, Aug 17, 5:15 AM HADT · 2968 days ago · 35 km deep · 11 km away
10. 3.8102 km SW of Adak, AlaskaFri, Aug 17, 4:19 AM HADT · 2968 days ago · 27 km deep · 18 km away
11. 1.8115 km SW of Adak, AlaskaFri, Aug 17, 2:17 AM HADT · 2968 days ago · 21 km deep · 1 km away
12. 1.893 km WSW of Adak, AlaskaFri, Aug 17, 2:11 AM HADT · 2968 days ago · 62 km deep · 26 km away
13. 2.7104 km SW of Adak, AlaskaFri, Aug 17, 1:44 AM HADT · 2968 days ago · 35 km deep · 14 km away
14. 2.0112 km WSW of Adak, AlaskaFri, Aug 17, 1:26 AM HADT · 2968 days ago · 42 km deep · 14 km away
15. 4.0107 km SW of Adak, AlaskaFri, Aug 17, 12:00 AM HADT · 2968 days ago · 35 km deep · 7 km away
16. 2.0106 km SW of Adak, AlaskaThu, Aug 16, 11:36 PM HADT · 2968 days ago · 26 km deep · 8 km away
17. 2.1114 km SW of Adak, AlaskaThu, Aug 16, 10:28 PM HADT · 2968 days ago · 18 km deep · 11 km away
18. 2.0108 km SW of Adak, AlaskaThu, Aug 16, 10:20 PM HADT · 2968 days ago · 26 km deep · 6 km away
19. 2.1119 km SW of Adak, AlaskaThu, Aug 16, 8:37 PM HADT · 2968 days ago · 26 km deep · 6 km away
20. 5.4123 km WSW of Adak, AlaskaThu, Aug 16, 7:35 PM HADT · 2968 days ago · 32 km deep · 18 km away · tsunami flag

From the USGS Earthquake Hazards Program and its partner networks, event ak018ake9vlm (also filed as ak20250628). Read Fri, Oct 2, 2026, 9:54 AM UTC.