M1.8 earthquake 123 km W of Adak, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Tue, Jul 31, 2018, 8:11 AM HADT

UTC

2018-07-31 17:11:35 UTC

Depth

14.3 km (8.9 mi), shallow

Epicenter

51.689° N, 178.399° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

17

After

1. 2.049 km WSW of Adak, AlaskaTue, Jul 31, 11:07 AM HADT · 2986 days ago · 68 km deep · 74 km away
2. 2.6193 km WSW of Adak, AlaskaThu, Aug 2, 6:59 AM HADT · 2984 days ago · 21 km deep · 77 km away
3. 3.3128 km WSW of Adak, AlaskaThu, Aug 2, 6:10 PM HADT · 2984 days ago · 16 km deep · 18 km away
4. 3.236 km SW of Adak, AlaskaThu, Aug 2, 11:12 PM HADT · 2983 days ago · 46 km deep · 100 km away
5. 2.4130 km WSW of Adak, AlaskaFri, Aug 3, 6:58 AM HADT · 2983 days ago · 14 km deep · 13 km away
6. 3.2143 km WSW of Adak, AlaskaFri, Aug 3, 7:20 AM HADT · 2983 days ago · 27 km deep · 50 km away
7. 2.384 km WSW of Adak, AlaskaFri, Aug 3, 10:32 PM HADT · 2982 days ago · 27 km deep · 47 km away
8. 2.184 km WSW of Adak, AlaskaFri, Aug 3, 11:02 PM HADT · 2982 days ago · 65 km deep · 48 km away
9. 2.1115 km WSW of Adak, AlaskaSat, Aug 4, 12:07 PM HADT · 2982 days ago · 36 km deep · 28 km away
10. 1.9132 km W of Adak, AlaskaSat, Aug 4, 1:45 PM HADT · 2982 days ago · 24 km deep · 9 km away
11. 3.084 km SW of Adak, AlaskaSat, Aug 4, 5:28 PM HADT · 2982 days ago · 40 km deep · 85 km away
12. 2.0Andreanof Islands, Aleutian Islands, AlaskaSun, Aug 5, 8:51 AM HADT · 2981 days ago · 17 km deep · 50 km away
13. 2.766 km SW of Adak, AlaskaSun, Aug 5, 4:53 PM HADT · 2981 days ago · 55 km deep · 73 km away
14. 2.5128 km W of Adak, AlaskaSun, Aug 5, 7:37 PM HADT · 2980 days ago · 179 km deep · 21 km away
15. 1.684 km WSW of Adak, AlaskaSun, Aug 5, 10:32 PM HADT · 2980 days ago · 13 km deep · 51 km away
16. 1.783 km WSW of Adak, AlaskaMon, Aug 6, 7:32 AM HADT · 2980 days ago · 30 km deep · 47 km away
17. 1.6129 km W of Adak, AlaskaMon, Aug 6, 5:35 PM HADT · 2980 days ago · 18 km deep · 11 km away
18. 1.682 km WSW of Adak, AlaskaTue, Aug 7, 8:52 AM HADT · 2979 days ago · 13 km deep · 52 km away
19. 1.9131 km W of Adak, AlaskaTue, Aug 7, 9:06 AM HADT · 2979 days ago · 7 km deep · 8 km away
20. 3.6130 km W of Adak, AlaskaTue, Aug 7, 9:07 AM HADT · 2979 days ago · 35 km deep · 7 km away
21. 2.173 km SW of Adak, AlaskaTue, Aug 7, 1:20 PM HADT · 2979 days ago · 48 km deep · 88 km away
22. 1.9124 km WSW of Adak, AlaskaWed, Aug 8, 7:07 AM HADT · 2978 days ago · 13 km deep · 3 km away
23. 2.3128 km WSW of Adak, AlaskaWed, Aug 8, 3:29 PM HADT · 2978 days ago · 7 km deep · 9 km away
24. 2.9127 km WSW of Adak, AlaskaThu, Aug 9, 12:32 AM HADT · 2977 days ago · 22 km deep · 8 km away
25. 1.8181 km WSW of Adak, AlaskaThu, Aug 9, 2:12 AM HADT · 2977 days ago · 24 km deep · 58 km away
26. 3.6133 km WSW of Adak, AlaskaThu, Aug 9, 5:25 AM HADT · 2977 days ago · 3 km deep · 31 km away
27. 2.6123 km WSW of Adak, AlaskaThu, Aug 9, 5:26 AM HADT · 2977 days ago · 20 km deep · 10 km away
28. 2.1124 km WSW of Adak, AlaskaThu, Aug 9, 5:35 AM HADT · 2977 days ago · 11 km deep · 2 km away
29. 2.2124 km WSW of Adak, AlaskaThu, Aug 9, 9:54 AM HADT · 2977 days ago · 14 km deep · 4 km away
30. 1.8124 km WSW of Adak, AlaskaThu, Aug 9, 10:09 AM HADT · 2977 days ago · 15 km deep · 4 km away
31. 1.794 km SW of Adak, AlaskaThu, Aug 9, 10:35 AM HADT · 2977 days ago · 18 km deep · 75 km away
32. 1.5124 km W of Adak, AlaskaThu, Aug 9, 12:13 PM HADT · 2977 days ago · 28 km deep · 8 km away
33. 1.6111 km WSW of Adak, AlaskaThu, Aug 9, 3:36 PM HADT · 2977 days ago · 30 km deep · 18 km away
34. 1.7125 km W of Adak, AlaskaFri, Aug 10, 1:02 AM HADT · 2976 days ago · 22 km deep · 3 km away
35. 1.8123 km W of Adak, AlaskaFri, Aug 10, 1:23 AM HADT · 2976 days ago · 21 km deep · 1 km away
36. 2.3123 km W of Adak, AlaskaFri, Aug 10, 1:42 AM HADT · 2976 days ago · 21 km deep · 2 km away
37. 1.7124 km W of Adak, AlaskaFri, Aug 10, 5:36 AM HADT · 2976 days ago · 13 km deep · 1 km away
38. 1.9123 km WSW of Adak, AlaskaFri, Aug 10, 8:00 AM HADT · 2976 days ago · 10 km deep · 4 km away
39. 2.6122 km WSW of Adak, AlaskaFri, Aug 10, 11:37 AM HADT · 2976 days ago · 27 km deep · 9 km away
40. 1.5122 km W of Adak, AlaskaFri, Aug 10, 11:45 AM HADT · 2976 days ago · 18 km deep · 1 km away
41. 2.058 km SSW of Adak, AlaskaFri, Aug 10, 12:53 PM HADT · 2976 days ago · 35 km deep · 99 km away
42. 1.5124 km WSW of Adak, AlaskaFri, Aug 10, 3:48 PM HADT · 2976 days ago · 13 km deep · 4 km away
43. 1.9132 km W of Adak, AlaskaFri, Aug 10, 11:39 PM HADT · 2975 days ago · 104 km deep · 9 km away
44. 1.6115 km WSW of Adak, AlaskaSat, Aug 11, 5:43 AM HADT · 2975 days ago · 49 km deep · 49 km away
45. 2.051 km SW of Adak, AlaskaSat, Aug 11, 9:44 AM HADT · 2975 days ago · 43 km deep · 93 km away
46. 2.2198 km WSW of Adak, AlaskaSat, Aug 11, 11:19 AM HADT · 2975 days ago · 23 km deep · 78 km away
47. 3.3126 km WSW of Adak, AlaskaSun, Aug 12, 2:30 PM HADT · 2974 days ago · 18 km deep · 4 km away
48. 1.893 km WSW of Adak, AlaskaSun, Aug 12, 5:58 PM HADT · 2974 days ago · 30 km deep · 34 km away
49. 1.9124 km WSW of Adak, AlaskaSun, Aug 12, 6:11 PM HADT · 2974 days ago · 13 km deep · 4 km away
50. 2.0150 km WSW of Adak, AlaskaSun, Aug 12, 8:16 PM HADT · 2973 days ago · 61 km deep · 52 km away
51. 1.8200 km WSW of Adak, AlaskaMon, Aug 13, 4:07 AM HADT · 2973 days ago · 26 km deep · 86 km away
52. 2.078 km SW of Adak, AlaskaMon, Aug 13, 5:23 AM HADT · 2973 days ago · 41 km deep · 70 km away
53. 4.244 km SW of Adak, AlaskaMon, Aug 13, 6:06 AM HADT · 2973 days ago · 72 km deep · 93 km away
54. 4.0163 km SW of Adak, AlaskaMon, Aug 13, 6:40 AM HADT · 2973 days ago · 10 km deep · 87 km away
55. 1.5123 km WSW of Adak, AlaskaMon, Aug 13, 8:03 AM HADT · 2973 days ago · 13 km deep · 7 km away
56. 1.882 km WSW of Adak, AlaskaMon, Aug 13, 11:19 AM HADT · 2973 days ago · 69 km deep · 43 km away
57. 2.293 km WSW of Adak, AlaskaMon, Aug 13, 1:44 PM HADT · 2973 days ago · 23 km deep · 41 km away
58. 1.6126 km WSW of Adak, AlaskaMon, Aug 13, 5:32 PM HADT · 2973 days ago · 16 km deep · 4 km away
59. 1.9107 km SW of Adak, AlaskaMon, Aug 13, 7:43 PM HADT · 2972 days ago · 45 km deep · 80 km away
60. 2.1131 km WSW of Adak, AlaskaMon, Aug 13, 9:29 PM HADT · 2972 days ago · 13 km deep · 11 km away

The first 60 of at least 200.

Before

1. 1.7123 km W of Adak, AlaskaTue, Jul 31, 7:41 AM HADT · 2986 days ago · 17 km deep · 1 km away
2. 2.3125 km WSW of Adak, AlaskaTue, Jul 31, 6:59 AM HADT · 2986 days ago · 9 km deep · 3 km away
3. 1.9125 km WSW of Adak, AlaskaTue, Jul 31, 6:17 AM HADT · 2986 days ago · 7 km deep · 10 km away
4. 2.0212 km WSW of Adak, AlaskaTue, Jul 31, 2:54 AM HADT · 2986 days ago · 12 km deep · 98 km away
5. 2.083 km WSW of Adak, AlaskaMon, Jul 30, 4:35 PM HADT · 2987 days ago · 29 km deep · 48 km away
6. 2.381 km WSW of Adak, AlaskaSun, Jul 29, 1:51 AM HADT · 2988 days ago · 26 km deep · 48 km away
7. 1.687 km WSW of Adak, AlaskaSat, Jul 28, 1:25 PM HADT · 2989 days ago · 44 km deep · 51 km away
8. 1.9128 km W of Adak, AlaskaSat, Jul 28, 4:35 AM HADT · 2989 days ago · 19 km deep · 7 km away
9. 2.0128 km WSW of Adak, AlaskaSat, Jul 28, 12:09 AM HADT · 2989 days ago · 42 km deep · 26 km away
10. 2.0208 km W of Adak, AlaskaFri, Jul 27, 5:34 PM HADT · 2990 days ago · 90 km deep · 86 km away
11. 1.730 km SW of Adak, AlaskaFri, Jul 27, 12:27 PM HADT · 2990 days ago · 41 km deep · 99 km away
12. 1.7124 km WSW of Adak, AlaskaWed, Jul 25, 2:55 PM HADT · 2992 days ago · 15 km deep · 6 km away
13. 1.8105 km WSW of Adak, AlaskaWed, Jul 25, 11:19 AM HADT · 2992 days ago · 26 km deep · 20 km away
14. 1.6128 km W of Adak, AlaskaWed, Jul 25, 7:47 AM HADT · 2992 days ago · 13 km deep · 9 km away
15. 3.359 km SSW of Adak, AlaskaWed, Jul 25, 2:06 AM HADT · 2992 days ago · 35 km deep · 97 km away
16. 1.5103 km WSW of Adak, AlaskaWed, Jul 25, 12:30 AM HADT · 2992 days ago · 70 km deep · 28 km away
17. 1.984 km WSW of Adak, AlaskaTue, Jul 24, 9:58 PM HADT · 2992 days ago · 26 km deep · 48 km away
18. 1.6124 km WSW of Adak, AlaskaTue, Jul 24, 4:34 PM HADT · 2993 days ago · 22 km deep · 2 km away
19. 3.177 km SSW of Adak, AlaskaTue, Jul 24, 6:19 AM HADT · 2993 days ago · 35 km deep · 100 km away
20. 1.596 km SW of Adak, AlaskaMon, Jul 23, 6:28 PM HADT · 2994 days ago · 56 km deep · 56 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0189qw4dlx (also filed as ak20016684). Read Sat, Oct 3, 2026, 3:44 PM UTC.