M1.8 earthquake 171 km WSW of Adak, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, Jul 15, 2017, 3:39 PM HADT

UTC

2017-07-16 00:39:18 UTC

Depth

28.2 km (17.5 mi), shallow

Epicenter

51.478° N, 179.033° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

After

1. 2.1122 km WSW of Adak, AlaskaSat, Jul 15, 4:21 PM HADT · 3366 days ago · 13 km deep · 49 km away
2. 2.5126 km W of Adak, AlaskaSat, Jul 15, 4:40 PM HADT · 3366 days ago · 185 km deep · 62 km away
3. 2.1132 km WSW of Adak, AlaskaSat, Jul 15, 5:33 PM HADT · 3366 days ago · 13 km deep · 39 km away
4. 2.1116 km WSW of Adak, AlaskaSat, Jul 15, 5:54 PM HADT · 3366 days ago · 16 km deep · 55 km away
5. 2.0118 km WSW of Adak, AlaskaSat, Jul 15, 6:09 PM HADT · 3366 days ago · 13 km deep · 53 km away
6. 2.0133 km W of Adak, AlaskaSat, Jul 15, 9:51 PM HADT · 3366 days ago · 15 km deep · 46 km away
7. 2.1184 km W of Adak, AlaskaSat, Jul 15, 10:19 PM HADT · 3366 days ago · 79 km deep · 26 km away
8. 2.0117 km WSW of Adak, AlaskaSun, Jul 16, 4:40 AM HADT · 3366 days ago · 5 km deep · 54 km away
9. 2.1120 km WSW of Adak, AlaskaSun, Jul 16, 4:58 AM HADT · 3366 days ago · 7 km deep · 51 km away
10. 2.9129 km WSW of Adak, AlaskaSun, Jul 16, 5:12 AM HADT · 3366 days ago · 6 km deep · 52 km away
11. 2.0118 km WSW of Adak, AlaskaSun, Jul 16, 6:08 AM HADT · 3366 days ago · 30 km deep · 54 km away
12. 2.7123 km WSW of Adak, AlaskaSun, Jul 16, 6:33 AM HADT · 3366 days ago · 10 km deep · 55 km away
13. 3.2124 km WSW of Adak, AlaskaSun, Jul 16, 7:13 AM HADT · 3366 days ago · 10 km deep · 50 km away
14. 2.4254 km WSW of Adak, AlaskaMon, Jul 17, 4:48 AM GMT+12 · 3366 days ago · 43 km deep · 82 km away
15. 2.3122 km WSW of Adak, AlaskaSun, Jul 16, 12:39 PM HADT · 3365 days ago · 6 km deep · 49 km away
16. 2.4132 km WSW of Adak, AlaskaSun, Jul 16, 1:45 PM HADT · 3365 days ago · 36 km deep · 52 km away
17. 2.0128 km WSW of Adak, AlaskaSun, Jul 16, 3:12 PM HADT · 3365 days ago · 27 km deep · 44 km away
18. 1.9124 km W of Adak, AlaskaSun, Jul 16, 7:37 PM HADT · 3365 days ago · 15 km deep · 48 km away
19. 1.9124 km W of Adak, AlaskaSun, Jul 16, 11:04 PM HADT · 3365 days ago · 13 km deep · 51 km away
20. 1.8128 km W of Adak, AlaskaMon, Jul 17, 4:35 AM HADT · 3365 days ago · 13 km deep · 46 km away
21. 2.1139 km W of Adak, AlaskaMon, Jul 17, 4:59 AM HADT · 3365 days ago · 12 km deep · 49 km away
22. 2.1134 km W of Adak, AlaskaMon, Jul 17, 5:00 AM HADT · 3365 days ago · 9 km deep · 42 km away
23. 2.3134 km W of Adak, AlaskaMon, Jul 17, 5:34 AM HADT · 3365 days ago · 11 km deep · 39 km away
24. 2.9124 km WSW of Adak, AlaskaTue, Jul 18, 3:05 AM HADT · 3364 days ago · 10 km deep · 57 km away
25. 2.4133 km W of Adak, AlaskaTue, Jul 18, 3:16 AM HADT · 3364 days ago · 10 km deep · 44 km away
26. 2.3149 km WSW of Adak, AlaskaTue, Jul 18, 4:42 AM HADT · 3364 days ago · 70 km deep · 22 km away
27. 1.9124 km WSW of Adak, AlaskaTue, Jul 18, 8:10 AM HADT · 3364 days ago · 8 km deep · 47 km away
28. 2.297 km WSW of Adak, AlaskaTue, Jul 18, 3:58 PM HADT · 3363 days ago · 60 km deep · 74 km away
29. 2.5237 km WSW of Adak, AlaskaTue, Jul 18, 6:03 PM HADT · 3363 days ago · 17 km deep · 68 km away
30. 2.4253 km WSW of Adak, AlaskaWed, Jul 19, 6:11 PM GMT+12 · 3363 days ago · 15 km deep · 83 km away
31. 1.6124 km W of Adak, AlaskaTue, Jul 18, 10:06 PM HADT · 3363 days ago · 16 km deep · 49 km away
32. 1.9129 km WSW of Adak, AlaskaWed, Jul 19, 4:44 AM HADT · 3363 days ago · 7 km deep · 42 km away
33. 2.0123 km WSW of Adak, AlaskaWed, Jul 19, 5:45 AM HADT · 3363 days ago · 12 km deep · 49 km away
34. 2.2125 km WSW of Adak, AlaskaWed, Jul 19, 5:49 AM HADT · 3363 days ago · 10 km deep · 46 km away
35. 2.5122 km WSW of Adak, AlaskaWed, Jul 19, 6:03 AM HADT · 3363 days ago · 19 km deep · 53 km away
36. 2.2Andreanof Islands, Aleutian Islands, AlaskaWed, Jul 19, 6:12 AM HADT · 3363 days ago · 22 km deep · 82 km away
37. 2.3243 km WSW of Adak, AlaskaWed, Jul 19, 5:43 AM GMT-12 · 3363 days ago · 13 km deep · 79 km away
38. 2.1133 km W of Adak, AlaskaWed, Jul 19, 9:12 AM HADT · 3363 days ago · 5 km deep · 43 km away
39. 1.6125 km W of Adak, AlaskaWed, Jul 19, 1:28 PM HADT · 3362 days ago · 13 km deep · 49 km away
40. 2.4117 km WSW of Adak, AlaskaThu, Jul 20, 3:09 AM HADT · 3362 days ago · 17 km deep · 54 km away
41. 1.8126 km WSW of Adak, AlaskaThu, Jul 20, 3:17 AM HADT · 3362 days ago · 21 km deep · 46 km away
42. 1.9227 km W of Adak, AlaskaThu, Jul 20, 6:35 AM HADT · 3362 days ago · 97 km deep · 66 km away
43. 1.6128 km W of Adak, AlaskaThu, Jul 20, 8:38 AM HADT · 3362 days ago · 25 km deep · 45 km away
44. 2.1118 km WSW of Adak, AlaskaThu, Jul 20, 9:15 AM HADT · 3362 days ago · 20 km deep · 53 km away
45. 2.0117 km WSW of Adak, AlaskaThu, Jul 20, 9:15 AM HADT · 3362 days ago · 18 km deep · 55 km away
46. 3.3137 km WSW of Adak, AlaskaThu, Jul 20, 10:34 AM HADT · 3362 days ago · 19 km deep · 35 km away
47. 2.1134 km W of Adak, AlaskaThu, Jul 20, 10:38 AM HADT · 3362 days ago · 13 km deep · 43 km away
48. 2.4133 km WSW of Adak, AlaskaThu, Jul 20, 10:57 AM HADT · 3362 days ago · 7 km deep · 39 km away
49. 1.6123 km WSW of Adak, AlaskaThu, Jul 20, 6:17 PM HADT · 3361 days ago · 15 km deep · 49 km away
50. 2.4130 km W of Adak, AlaskaFri, Jul 21, 12:42 AM HADT · 3361 days ago · 141 km deep · 59 km away
51. 1.7121 km WSW of Adak, AlaskaFri, Jul 21, 4:10 AM HADT · 3361 days ago · 7 km deep · 51 km away
52. 1.8127 km W of Adak, AlaskaFri, Jul 21, 4:13 AM HADT · 3361 days ago · 13 km deep · 47 km away
53. 1.5121 km WSW of Adak, AlaskaFri, Jul 21, 5:11 AM HADT · 3361 days ago · 4 km deep · 52 km away
54. 2.7136 km WSW of Adak, AlaskaFri, Jul 21, 8:06 AM HADT · 3361 days ago · 14 km deep · 35 km away
55. 1.8138 km W of Adak, AlaskaFri, Jul 21, 8:41 AM HADT · 3361 days ago · 12 km deep · 47 km away
56. 1.7133 km WSW of Adak, AlaskaFri, Jul 21, 10:14 AM HADT · 3361 days ago · 7 km deep · 39 km away
57. 2.2134 km WSW of Adak, AlaskaFri, Jul 21, 11:29 AM HADT · 3361 days ago · 2 km deep · 38 km away
58. 1.8131 km W of Adak, AlaskaFri, Jul 21, 11:52 AM HADT · 3360 days ago · 12 km deep · 42 km away
59. 2.0125 km W of Adak, AlaskaFri, Jul 21, 2:57 PM HADT · 3360 days ago · 13 km deep · 48 km away
60. 1.8208 km W of Adak, AlaskaFri, Jul 21, 3:17 PM HADT · 3360 days ago · 70 km deep · 42 km away

The first 60 of at least 201.

Before

1. 1.8118 km WSW of Adak, AlaskaSat, Jul 15, 2:22 PM HADT · 3366 days ago · 13 km deep · 54 km away
2. 2.7129 km WSW of Adak, AlaskaSat, Jul 15, 9:39 AM HADT · 3367 days ago · 11 km deep · 42 km away
3. 1.8120 km WSW of Adak, AlaskaSat, Jul 15, 8:10 AM HADT · 3367 days ago · 13 km deep · 52 km away
4. 4.2246 km W of Adak, AlaskaSun, Jul 16, 4:11 AM GMT+12 · 3367 days ago · 57 km deep · 77 km away
5. 2.5124 km WSW of Adak, AlaskaSat, Jul 15, 6:42 AM HADT · 3367 days ago · 20 km deep · 47 km away
6. 2.4245 km W of Adak, AlaskaSun, Jul 16, 2:30 AM GMT+12 · 3367 days ago · 133 km deep · 94 km away
7. 2.5121 km WSW of Adak, AlaskaSat, Jul 15, 12:49 AM HADT · 3367 days ago · 3 km deep · 51 km away
8. 2.6120 km WSW of Adak, AlaskaFri, Jul 14, 10:44 PM HADT · 3367 days ago · 9 km deep · 52 km away
9. 2.8120 km WSW of Adak, AlaskaFri, Jul 14, 10:40 PM HADT · 3367 days ago · 3 km deep · 51 km away
10. 2.0120 km WSW of Adak, AlaskaFri, Jul 14, 5:37 PM HADT · 3367 days ago · 23 km deep · 51 km away
11. 2.8125 km WSW of Adak, AlaskaFri, Jul 14, 5:22 PM HADT · 3367 days ago · 8 km deep · 49 km away
12. 2.7122 km WSW of Adak, AlaskaFri, Jul 14, 5:21 PM HADT · 3367 days ago · 16 km deep · 54 km away
13. 1.8123 km WSW of Adak, AlaskaFri, Jul 14, 5:16 PM HADT · 3367 days ago · 10 km deep · 48 km away
14. 2.0122 km WSW of Adak, AlaskaFri, Jul 14, 4:18 PM HADT · 3367 days ago · 10 km deep · 49 km away
15. 1.8121 km WSW of Adak, AlaskaFri, Jul 14, 3:42 PM HADT · 3367 days ago · 12 km deep · 51 km away
16. 2.7125 km WSW of Adak, AlaskaFri, Jul 14, 3:39 PM HADT · 3367 days ago · 10 km deep · 53 km away
17. 1.7124 km WSW of Adak, AlaskaFri, Jul 14, 3:30 PM HADT · 3367 days ago · 2 km deep · 48 km away
18. 3.8123 km WSW of Adak, AlaskaFri, Jul 14, 3:10 PM HADT · 3367 days ago · 5 km deep · 54 km away
19. 2.3128 km WSW of Adak, AlaskaFri, Jul 14, 1:20 PM HADT · 3367 days ago · 13 km deep · 43 km away
20. 1.8120 km WSW of Adak, AlaskaFri, Jul 14, 7:59 AM HADT · 3368 days ago · 2 km deep · 51 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak01791t3rm4 (also filed as ak16426680). Read Sat, Oct 3, 2026, 8:09 AM UTC.