M1.7 earthquake 42 km SW of Adak, Alaska

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Fri, Jul 20, 2018, 8:57 AM HADT

UTC

2018-07-20 17:57:37 UTC

Depth

50.1 km (31.1 mi), shallow

Epicenter

51.628° N, 177.099° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

11

After

1. 1.5117 km WSW of Adak, AlaskaSat, Jul 21, 3:53 AM HADT · 2995 days ago · 39 km deep · 78 km away
2. 2.260 km W of Adak, AlaskaSat, Jul 21, 8:08 AM HADT · 2995 days ago · 70 km deep · 33 km away
3. 2.150 km ENE of Adak, AlaskaSat, Jul 21, 4:56 PM HADT · 2994 days ago · 179 km deep · 92 km away
4. 3.264 km ESE of Adak, AlaskaSat, Jul 21, 11:55 PM HADT · 2994 days ago · 35 km deep · 90 km away
5. 1.636 km ESE of Adak, AlaskaMon, Jul 23, 2:26 AM HADT · 2993 days ago · 70 km deep · 65 km away
6. 3.366 km ESE of Adak, AlaskaMon, Jul 23, 8:12 AM HADT · 2993 days ago · 35 km deep · 91 km away
7. 1.7124 km WSW of Adak, AlaskaMon, Jul 23, 8:47 AM HADT · 2993 days ago · 16 km deep · 90 km away
8. 1.7118 km WSW of Adak, AlaskaMon, Jul 23, 12:45 PM HADT · 2992 days ago · 61 km deep · 77 km away
9. 1.596 km SW of Adak, AlaskaMon, Jul 23, 6:28 PM HADT · 2992 days ago · 56 km deep · 54 km away
10. 1.555 km S of Adak, AlaskaMon, Jul 23, 10:17 PM HADT · 2992 days ago · 23 km deep · 42 km away
11. 1.964 km SSW of Adak, AlaskaTue, Jul 24, 12:02 AM HADT · 2992 days ago · 26 km deep · 32 km away
12. 3.177 km SSW of Adak, AlaskaTue, Jul 24, 6:19 AM HADT · 2992 days ago · 35 km deep · 42 km away
13. 1.6124 km WSW of Adak, AlaskaTue, Jul 24, 4:34 PM HADT · 2991 days ago · 22 km deep · 90 km away
14. 1.984 km WSW of Adak, AlaskaTue, Jul 24, 9:58 PM HADT · 2991 days ago · 26 km deep · 45 km away
15. 1.6Andreanof Islands, Aleutian Islands, AlaskaTue, Jul 24, 10:48 PM HADT · 2991 days ago · 47 km deep · 31 km away
16. 1.5103 km WSW of Adak, AlaskaWed, Jul 25, 12:30 AM HADT · 2991 days ago · 70 km deep · 65 km away
17. 3.359 km SSW of Adak, AlaskaWed, Jul 25, 2:06 AM HADT · 2991 days ago · 35 km deep · 24 km away
18. 1.6128 km W of Adak, AlaskaWed, Jul 25, 7:47 AM HADT · 2991 days ago · 13 km deep · 96 km away
19. 1.672 km SE of Adak, AlaskaWed, Jul 25, 9:29 AM HADT · 2991 days ago · 26 km deep · 89 km away
20. 1.8105 km WSW of Adak, AlaskaWed, Jul 25, 11:19 AM HADT · 2990 days ago · 26 km deep · 70 km away
21. 1.7124 km WSW of Adak, AlaskaWed, Jul 25, 2:55 PM HADT · 2990 days ago · 15 km deep · 89 km away
22. 2.244 km S of Adak, AlaskaWed, Jul 25, 10:37 PM HADT · 2990 days ago · 24 km deep · 40 km away
23. 1.760 km SSE of Adak, AlaskaFri, Jul 27, 12:11 AM HADT · 2989 days ago · 26 km deep · 57 km away
24. 1.730 km SW of Adak, AlaskaFri, Jul 27, 12:27 PM HADT · 2988 days ago · 41 km deep · 11 km away
25. 2.0128 km WSW of Adak, AlaskaSat, Jul 28, 12:09 AM HADT · 2988 days ago · 42 km deep · 90 km away
26. 2.299 km SSE of Adak, AlaskaSat, Jul 28, 12:38 AM HADT · 2988 days ago · 5 km deep · 95 km away
27. 1.9128 km W of Adak, AlaskaSat, Jul 28, 4:35 AM HADT · 2988 days ago · 19 km deep · 96 km away
28. 1.687 km WSW of Adak, AlaskaSat, Jul 28, 1:25 PM HADT · 2987 days ago · 44 km deep · 47 km away
29. 2.381 km WSW of Adak, AlaskaSun, Jul 29, 1:51 AM HADT · 2987 days ago · 26 km deep · 43 km away
30. 2.083 km WSW of Adak, AlaskaMon, Jul 30, 4:35 PM HADT · 2985 days ago · 29 km deep · 44 km away
31. 2.224 km ENE of Adak, AlaskaMon, Jul 30, 7:39 PM HADT · 2985 days ago · 76 km deep · 66 km away
32. 3.163 km E of Adak, AlaskaMon, Jul 30, 9:38 PM HADT · 2985 days ago · 225 km deep · 99 km away
33. 1.9125 km WSW of Adak, AlaskaTue, Jul 31, 6:17 AM HADT · 2985 days ago · 7 km deep · 90 km away
34. 2.3125 km WSW of Adak, AlaskaTue, Jul 31, 6:59 AM HADT · 2985 days ago · 9 km deep · 92 km away
35. 1.7123 km W of Adak, AlaskaTue, Jul 31, 7:41 AM HADT · 2985 days ago · 17 km deep · 90 km away
36. 1.8123 km W of Adak, AlaskaTue, Jul 31, 8:11 AM HADT · 2985 days ago · 14 km deep · 90 km away
37. 2.049 km WSW of Adak, AlaskaTue, Jul 31, 11:07 AM HADT · 2984 days ago · 68 km deep · 24 km away
38. 2.069 km SE of Adak, AlaskaTue, Jul 31, 2:24 PM HADT · 2984 days ago · 8 km deep · 80 km away
39. 3.3128 km WSW of Adak, AlaskaThu, Aug 2, 6:10 PM HADT · 2982 days ago · 16 km deep · 91 km away
40. 3.236 km SW of Adak, AlaskaThu, Aug 2, 11:12 PM HADT · 2982 days ago · 46 km deep · 10 km away
41. 2.346 km ESE of Adak, AlaskaThu, Aug 2, 11:33 PM HADT · 2982 days ago · 52 km deep · 78 km away
42. 2.4130 km WSW of Adak, AlaskaFri, Aug 3, 6:58 AM HADT · 2982 days ago · 14 km deep · 94 km away
43. 1.855 km S of Adak, AlaskaFri, Aug 3, 5:45 PM HADT · 2981 days ago · 23 km deep · 36 km away
44. 2.384 km WSW of Adak, AlaskaFri, Aug 3, 10:32 PM HADT · 2981 days ago · 27 km deep · 45 km away
45. 2.184 km WSW of Adak, AlaskaFri, Aug 3, 11:02 PM HADT · 2981 days ago · 65 km deep · 45 km away
46. 2.1115 km WSW of Adak, AlaskaSat, Aug 4, 12:07 PM HADT · 2980 days ago · 36 km deep · 77 km away
47. 1.9132 km W of Adak, AlaskaSat, Aug 4, 1:45 PM HADT · 2980 days ago · 24 km deep · 99 km away
48. 2.163 km SE of Adak, AlaskaSat, Aug 4, 4:49 PM HADT · 2980 days ago · 23 km deep · 85 km away
49. 3.084 km SW of Adak, AlaskaSat, Aug 4, 5:28 PM HADT · 2980 days ago · 40 km deep · 44 km away
50. 2.0Andreanof Islands, Aleutian Islands, AlaskaSun, Aug 5, 8:51 AM HADT · 2980 days ago · 17 km deep · 47 km away
51. 2.766 km SW of Adak, AlaskaSun, Aug 5, 4:53 PM HADT · 2979 days ago · 55 km deep · 24 km away
52. 2.5128 km W of Adak, AlaskaSun, Aug 5, 7:37 PM HADT · 2979 days ago · 179 km deep · 100 km away
53. 2.863 km S of Adak, AlaskaSun, Aug 5, 8:57 PM HADT · 2979 days ago · 35 km deep · 42 km away
54. 1.684 km WSW of Adak, AlaskaSun, Aug 5, 10:32 PM HADT · 2979 days ago · 13 km deep · 44 km away
55. 1.653 km S of Adak, AlaskaMon, Aug 6, 4:45 AM HADT · 2979 days ago · 16 km deep · 50 km away
56. 1.783 km WSW of Adak, AlaskaMon, Aug 6, 7:32 AM HADT · 2979 days ago · 30 km deep · 45 km away
57. 2.717 km SSW of Adak, AlaskaMon, Aug 6, 4:28 PM HADT · 2978 days ago · 76 km deep · 25 km away
58. 1.6129 km W of Adak, AlaskaMon, Aug 6, 5:35 PM HADT · 2978 days ago · 18 km deep · 98 km away
59. 1.682 km WSW of Adak, AlaskaTue, Aug 7, 8:52 AM HADT · 2978 days ago · 13 km deep · 42 km away
60. 1.9131 km W of Adak, AlaskaTue, Aug 7, 9:06 AM HADT · 2978 days ago · 7 km deep · 97 km away

The first 60 of at least 201.

Before

1. 1.884 km WSW of Adak, AlaskaThu, Jul 19, 1:13 PM HADT · 2996 days ago · 43 km deep · 48 km away
2. 1.6126 km SW of Adak, AlaskaThu, Jul 19, 9:30 AM HADT · 2997 days ago · 16 km deep · 84 km away
3. 2.452 km NE of Adak, AlaskaThu, Jul 19, 12:30 AM HADT · 2997 days ago · 135 km deep · 94 km away
4. 2.574 km SSE of Adak, AlaskaWed, Jul 18, 11:34 PM HADT · 2997 days ago · 30 km deep · 71 km away
5. 2.089 km WSW of Adak, AlaskaWed, Jul 18, 8:09 PM HADT · 2997 days ago · 73 km deep · 54 km away
6. 1.535 km SSW of Adak, AlaskaWed, Jul 18, 12:17 PM HADT · 2997 days ago · 26 km deep · 17 km away
7. 1.662 km SSE of Adak, AlaskaWed, Jul 18, 5:15 AM HADT · 2998 days ago · 11 km deep · 62 km away
8. 1.8114 km WSW of Adak, AlaskaTue, Jul 17, 10:08 PM HADT · 2998 days ago · 27 km deep · 77 km away
9. 1.631 km SW of Adak, AlaskaTue, Jul 17, 4:05 PM HADT · 2998 days ago · 30 km deep · 14 km away
10. 1.560 km SSE of Adak, AlaskaTue, Jul 17, 5:20 AM HADT · 2999 days ago · 26 km deep · 64 km away
11. 2.061 km E of Adak, AlaskaTue, Jul 17, 2:14 AM HADT · 2999 days ago · 85 km deep · 99 km away
12. 2.2121 km WSW of Adak, AlaskaMon, Jul 16, 10:09 PM HADT · 2999 days ago · 27 km deep · 84 km away
13. 2.6138 km WSW of Adak, AlaskaMon, Jul 16, 6:58 PM HADT · 2999 days ago · 49 km deep · 100 km away
14. 3.428 km SW of Adak, AlaskaMon, Jul 16, 3:35 PM HADT · 2999 days ago · 65 km deep · 13 km away
15. 1.558 km SW of Adak, AlaskaMon, Jul 16, 6:17 AM HADT · 3000 days ago · 43 km deep · 19 km away
16. 1.8100 km SW of Adak, AlaskaSun, Jul 15, 10:10 PM HADT · 3000 days ago · 40 km deep · 58 km away
17. 2.539 km SSW of Adak, AlaskaSun, Jul 15, 7:00 PM HADT · 3000 days ago · 46 km deep · 24 km away
18. 1.564 km SSW of Adak, AlaskaSun, Jul 15, 7:51 AM HADT · 3001 days ago · 34 km deep · 37 km away
19. 2.121 km N of Adak, AlaskaSun, Jul 15, 4:44 AM HADT · 3001 days ago · 118 km deep · 59 km away
20. 1.623 km SW of Adak, AlaskaSun, Jul 15, 4:29 AM HADT · 3001 days ago · 61 km deep · 19 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak01898phf7w (also filed as ak19966345). Read Fri, Oct 2, 2026, 7:27 AM UTC.