M1.9 earthquake 218 km W of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Fri, Aug 31, 2018, 7:16 PM HADT

UTC

2018-09-01 04:16:00 UTC

Depth

71.9 km (44.7 mi), intermediate-depth

Epicenter

51.609° N, 179.773° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

17

After

1. 2.1203 km W of Adak, AlaskaSat, Sep 1, 5:55 AM HADT · 2953 days ago · 82 km deep · 17 km away
2. 1.5Andreanof Islands, Aleutian Islands, AlaskaSat, Sep 1, 5:42 PM HADT · 2952 days ago · 16 km deep · 98 km away
3. 2.9190 km WSW of Adak, AlaskaSun, Sep 2, 2:38 AM HADT · 2952 days ago · 22 km deep · 77 km away
4. 1.6131 km WSW of Adak, AlaskaSun, Sep 2, 5:31 PM HADT · 2951 days ago · 7 km deep · 87 km away
5. 2.1142 km W of Adak, AlaskaSun, Sep 2, 6:48 PM HADT · 2951 days ago · 88 km deep · 76 km away
6. 1.9297 km W of Adak, AlaskaMon, Sep 3, 4:57 PM GMT+12 · 2951 days ago · 1 km deep · 83 km away
7. 3.8165 km W of Adak, AlaskaMon, Sep 3, 5:36 AM HADT · 2951 days ago · 11 km deep · 55 km away
8. 2.8Andreanof Islands, Aleutian Islands, AlaskaTue, Sep 4, 9:48 AM HADT · 2949 days ago · 186 km deep · 99 km away
9. 2.0124 km WSW of Adak, AlaskaThu, Sep 6, 7:16 PM HADT · 2947 days ago · 10 km deep · 95 km away
10. 2.4296 km W of Adak, AlaskaSat, Sep 8, 12:38 AM GMT+12 · 2947 days ago · 98 km deep · 82 km away
11. 2.3212 km W of Adak, AlaskaSat, Sep 8, 11:14 AM HADT · 2945 days ago · 176 km deep · 50 km away
12. 1.7124 km WSW of Adak, AlaskaSun, Sep 9, 5:30 AM HADT · 2945 days ago · 13 km deep · 95 km away
13. 2.3145 km W of Adak, AlaskaMon, Sep 10, 2:43 AM HADT · 2944 days ago · 75 km deep · 74 km away
14. 1.7137 km WSW of Adak, AlaskaMon, Sep 10, 6:46 AM HADT · 2944 days ago · 38 km deep · 94 km away
15. 1.8127 km W of Adak, AlaskaMon, Sep 10, 6:50 AM HADT · 2944 days ago · 12 km deep · 92 km away
16. 1.8127 km W of Adak, AlaskaMon, Sep 10, 11:48 AM HADT · 2943 days ago · 13 km deep · 92 km away
17. 1.6126 km WSW of Adak, AlaskaTue, Sep 11, 12:13 AM HADT · 2943 days ago · 12 km deep · 92 km away
18. 1.7121 km WSW of Adak, AlaskaTue, Sep 11, 6:14 AM HADT · 2943 days ago · 7 km deep · 99 km away
19. 2.5237 km WSW of Adak, AlaskaTue, Sep 11, 12:18 PM HADT · 2942 days ago · 12 km deep · 66 km away
20. 2.4261 km W of Adak, AlaskaThu, Sep 13, 12:34 AM GMT+12 · 2942 days ago · 61 km deep · 43 km away
21. 2.1144 km WSW of Adak, AlaskaWed, Sep 12, 5:29 AM HADT · 2942 days ago · 49 km deep · 97 km away
22. 1.7133 km W of Adak, AlaskaWed, Sep 12, 12:24 PM HADT · 2941 days ago · 15 km deep · 85 km away
23. 2.6259 km W of Adak, AlaskaThu, Sep 13, 1:25 PM GMT+12 · 2941 days ago · 140 km deep · 55 km away
24. 1.7Rat Islands, Aleutian Islands, AlaskaThu, Sep 13, 8:33 PM GMT+12 · 2941 days ago · 29 km deep · 99 km away
25. 2.1132 km W of Adak, AlaskaThu, Sep 13, 8:25 AM HADT · 2940 days ago · 15 km deep · 86 km away
26. 2.9273 km W of Adak, AlaskaSat, Sep 15, 5:41 AM GMT+12 · 2939 days ago · 69 km deep · 56 km away
27. 1.5124 km W of Adak, AlaskaSat, Sep 15, 3:53 AM HADT · 2939 days ago · 19 km deep · 94 km away
28. 2.9Andreanof Islands, Aleutian Islands, AlaskaSat, Sep 15, 5:03 AM HADT · 2939 days ago · 26 km deep · 76 km away
29. 1.6126 km W of Adak, AlaskaSat, Sep 15, 8:07 AM HADT · 2938 days ago · 24 km deep · 92 km away
30. 2.3133 km W of Adak, AlaskaSat, Sep 15, 2:40 PM HADT · 2938 days ago · 129 km deep · 89 km away
31. 2.2Andreanof Islands, Aleutian Islands, AlaskaSat, Sep 15, 9:27 PM HADT · 2938 days ago · 80 km deep · 18 km away
32. 2.6183 km WSW of Adak, AlaskaMon, Sep 17, 2:35 AM HADT · 2937 days ago · 18 km deep · 54 km away
33. 1.6221 km W of Adak, AlaskaMon, Sep 17, 7:13 PM HADT · 2936 days ago · 100 km deep · 17 km away
34. 2.8213 km WSW of Adak, AlaskaTue, Sep 18, 11:58 AM HADT · 2935 days ago · 72 km deep · 13 km away
35. 1.9219 km WSW of Adak, AlaskaWed, Sep 19, 9:45 AM HADT · 2934 days ago · 40 km deep · 82 km away
36. 1.7245 km WSW of Adak, AlaskaFri, Sep 21, 8:20 PM GMT-12 · 2932 days ago · 13 km deep · 62 km away
37. 1.6246 km WSW of Adak, AlaskaFri, Sep 21, 8:56 PM GMT-12 · 2932 days ago · 13 km deep · 61 km away
38. 1.7129 km WSW of Adak, AlaskaSat, Sep 22, 9:29 AM HADT · 2931 days ago · 5 km deep · 90 km away
39. 1.5154 km WSW of Adak, AlaskaSat, Sep 22, 9:48 AM HADT · 2931 days ago · 32 km deep · 83 km away
40. 3.9124 km W of Adak, AlaskaSat, Sep 22, 12:57 PM HADT · 2931 days ago · 15 km deep · 94 km away
41. 2.0125 km WSW of Adak, AlaskaSat, Sep 22, 1:13 PM HADT · 2931 days ago · 5 km deep · 95 km away
42. 1.6123 km W of Adak, AlaskaSat, Sep 22, 1:15 PM HADT · 2931 days ago · 13 km deep · 95 km away
43. 1.6125 km W of Adak, AlaskaSat, Sep 22, 1:46 PM HADT · 2931 days ago · 13 km deep · 93 km away
44. 2.0213 km W of Adak, AlaskaSat, Sep 22, 3:10 PM HADT · 2931 days ago · 146 km deep · 40 km away
45. 1.6125 km W of Adak, AlaskaSat, Sep 22, 3:48 PM HADT · 2931 days ago · 11 km deep · 93 km away
46. 1.8Rat Islands, Aleutian Islands, AlaskaSun, Sep 23, 7:25 PM GMT+12 · 2931 days ago · 57 km deep · 45 km away
47. 1.6225 km WSW of Adak, AlaskaSun, Sep 23, 5:26 AM HADT · 2931 days ago · 53 km deep · 14 km away
48. 1.7224 km W of Adak, AlaskaSun, Sep 23, 8:14 AM HADT · 2930 days ago · 85 km deep · 21 km away
49. 2.0Rat Islands, Aleutian Islands, AlaskaMon, Sep 24, 6:47 PM GMT+12 · 2930 days ago · 66 km deep · 82 km away
50. 1.9Rat Islands, Aleutian Islands, AlaskaMon, Sep 24, 7:53 PM GMT+12 · 2930 days ago · 114 km deep · 93 km away
51. 1.7170 km W of Adak, AlaskaMon, Sep 24, 11:12 AM HADT · 2929 days ago · 90 km deep · 48 km away
52. 1.6148 km WSW of Adak, AlaskaMon, Sep 24, 6:42 PM HADT · 2929 days ago · 59 km deep · 89 km away
53. 1.7123 km W of Adak, AlaskaTue, Sep 25, 1:45 AM HADT · 2929 days ago · 16 km deep · 95 km away
54. 2.0Rat Islands, Aleutian Islands, AlaskaWed, Sep 26, 12:31 AM GMT+12 · 2929 days ago · 94 km deep · 98 km away
55. 1.9125 km WSW of Adak, AlaskaTue, Sep 25, 1:17 PM HADT · 2928 days ago · 13 km deep · 95 km away
56. 1.8125 km WSW of Adak, AlaskaTue, Sep 25, 3:51 PM HADT · 2928 days ago · 10 km deep · 94 km away
57. 2.0253 km W of Adak, AlaskaWed, Sep 26, 3:14 PM GMT+12 · 2928 days ago · 161 km deep · 59 km away
58. 1.6126 km WSW of Adak, AlaskaTue, Sep 25, 9:38 PM HADT · 2928 days ago · 9 km deep · 94 km away
59. 1.9243 km WSW of Adak, AlaskaTue, Sep 25, 7:48 PM GMT-12 · 2928 days ago · 14 km deep · 66 km away
60. 1.5130 km W of Adak, AlaskaWed, Sep 26, 2:26 AM HADT · 2928 days ago · 16 km deep · 88 km away

The first 60 of at least 199.

Before

1. 1.5123 km WSW of Adak, AlaskaFri, Aug 31, 12:24 PM HADT · 2953 days ago · 7 km deep · 96 km away
2. 1.5187 km W of Adak, AlaskaFri, Aug 31, 11:49 AM HADT · 2953 days ago · 14 km deep · 35 km away
3. 1.6185 km WSW of Adak, AlaskaFri, Aug 31, 11:19 AM HADT · 2953 days ago · 22 km deep · 51 km away
4. 2.0Rat Islands, Aleutian Islands, AlaskaSat, Sep 1, 3:02 AM GMT+12 · 2954 days ago · 7 km deep · 89 km away
5. 1.8126 km W of Adak, AlaskaFri, Aug 31, 4:12 AM HADT · 2954 days ago · 15 km deep · 92 km away
6. 1.6223 km WSW of Adak, AlaskaFri, Aug 31, 3:30 AM HADT · 2954 days ago · 13 km deep · 31 km away
7. 2.4130 km WSW of Adak, AlaskaWed, Aug 29, 3:55 AM HADT · 2956 days ago · 50 km deep · 95 km away
8. 2.5239 km W of Adak, AlaskaWed, Aug 29, 4:34 PM GMT+12 · 2956 days ago · 82 km deep · 22 km away
9. 2.5132 km WSW of Adak, AlaskaTue, Aug 28, 11:29 AM HADT · 2956 days ago · 19 km deep · 88 km away
10. 2.0226 km WSW of Adak, AlaskaMon, Aug 27, 10:25 AM HADT · 2957 days ago · 2 km deep · 61 km away
11. 2.0126 km WSW of Adak, AlaskaMon, Aug 27, 12:54 AM HADT · 2958 days ago · 5 km deep · 95 km away
12. 1.9123 km WSW of Adak, AlaskaSun, Aug 26, 1:38 AM HADT · 2959 days ago · 13 km deep · 95 km away
13. 2.1242 km WSW of Adak, AlaskaFri, Aug 24, 6:55 PM GMT-12 · 2960 days ago · 5 km deep · 63 km away
14. 1.5130 km W of Adak, AlaskaFri, Aug 24, 8:48 PM HADT · 2960 days ago · 9 km deep · 88 km away
15. 2.2242 km WSW of Adak, AlaskaFri, Aug 24, 7:04 AM GMT-12 · 2960 days ago · 13 km deep · 70 km away
16. 1.8204 km W of Adak, AlaskaFri, Aug 24, 3:19 AM HADT · 2961 days ago · 85 km deep · 15 km away
17. 1.8241 km W of Adak, AlaskaFri, Aug 24, 9:46 PM GMT+12 · 2961 days ago · 57 km deep · 24 km away
18. 1.8166 km W of Adak, AlaskaFri, Aug 24, 12:36 AM HADT · 2961 days ago · 8 km deep · 53 km away
19. 1.6130 km W of Adak, AlaskaThu, Aug 23, 9:16 PM HADT · 2961 days ago · 13 km deep · 88 km away
20. 1.8126 km W of Adak, AlaskaThu, Aug 23, 11:43 AM HADT · 2961 days ago · 8 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak018b7llue7 (also filed as ak20238955). Read Fri, Oct 2, 2026, 3:49 AM UTC.