M1.9 earthquake 86 km E of Adak, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Oct 22, 2017, 11:31 AM HADT

UTC

2017-10-22 20:31:40 UTC

Depth

3.2 km (2.0 mi), shallow

Epicenter

51.809° N, 175.383° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

13

After

1. 2.553 km ESE of Adak, AlaskaWed, Oct 25, 10:50 AM HADT · 3263 days ago · 66 km deep · 37 km away
2. 2.495 km SE of Adak, AlaskaThu, Oct 26, 12:28 AM HADT · 3263 days ago · 18 km deep · 46 km away
3. 2.676 km ESE of Adak, AlaskaThu, Oct 26, 1:12 AM HADT · 3263 days ago · 21 km deep · 16 km away
4. 2.634 km NNW of Atka, AlaskaThu, Oct 26, 9:01 AM HADT · 3262 days ago · 166 km deep · 100 km away
5. 2.096 km SW of Atka, AlaskaSat, Oct 28, 3:59 PM HADT · 3260 days ago · 41 km deep · 22 km away
6. 2.052 km SSE of Adak, AlaskaMon, Oct 30, 8:44 AM HADT · 3258 days ago · 24 km deep · 88 km away
7. 2.246 km ESE of Adak, AlaskaMon, Oct 30, 2:38 PM HADT · 3258 days ago · 54 km deep · 47 km away
8. 2.7113 km SSW of Atka, AlaskaMon, Oct 30, 3:58 PM HADT · 3258 days ago · 35 km deep · 64 km away
9. 2.0112 km SSW of Atka, AlaskaMon, Oct 30, 4:13 PM HADT · 3258 days ago · 26 km deep · 61 km away
10. 2.9118 km SSW of Atka, AlaskaMon, Oct 30, 4:37 PM HADT · 3258 days ago · 26 km deep · 70 km away
11. 2.054 km SSE of Adak, AlaskaMon, Oct 30, 8:42 PM HADT · 3258 days ago · 27 km deep · 77 km away
12. 1.970 km SE of Adak, AlaskaTue, Oct 31, 9:03 AM HADT · 3257 days ago · 28 km deep · 54 km away
13. 2.3Andreanof Islands, Aleutian Islands, AlaskaTue, Oct 31, 10:12 AM HADT · 3257 days ago · 20 km deep · 69 km away
14. 1.939 km ENE of Adak, AlaskaTue, Oct 31, 10:11 PM HADT · 3257 days ago · 6 km deep · 59 km away
15. 1.739 km NE of Adak, AlaskaTue, Oct 31, 10:14 PM HADT · 3257 days ago · 6 km deep · 61 km away
16. 2.542 km SW of Atka, AlaskaWed, Nov 1, 12:20 AM HADT · 3257 days ago · 41 km deep · 58 km away
17. 2.218 km WNW of Atka, AlaskaWed, Nov 1, 5:40 AM HADT · 3257 days ago · 168 km deep · 81 km away
18. 2.471 km ENE of Adak, AlaskaThu, Nov 2, 8:34 AM HADT · 3255 days ago · 152 km deep · 42 km away
19. 2.027 km SSE of Atka, AlaskaThu, Nov 2, 1:26 PM HADT · 3255 days ago · 61 km deep · 93 km away
20. 1.658 km SSE of Adak, AlaskaThu, Nov 2, 5:53 PM HADT · 3255 days ago · 26 km deep · 73 km away
21. 2.159 km SW of Atka, AlaskaFri, Nov 3, 6:41 PM HADT · 3254 days ago · 41 km deep · 45 km away
22. 2.169 km SW of Atka, AlaskaFri, Nov 3, 6:52 PM HADT · 3254 days ago · 41 km deep · 26 km away
23. 1.954 km SSE of Adak, AlaskaFri, Nov 3, 7:54 PM HADT · 3254 days ago · 24 km deep · 69 km away
24. 2.418 km S of Adak, AlaskaSat, Nov 4, 9:55 AM HADT · 3253 days ago · 61 km deep · 86 km away
25. 2.085 km SW of Atka, AlaskaSat, Nov 4, 11:06 AM HADT · 3253 days ago · 26 km deep · 31 km away
26. 2.974 km SE of Adak, AlaskaSun, Nov 5, 4:22 AM HAST · 3253 days ago · 27 km deep · 70 km away
27. 2.495 km SW of Atka, AlaskaTue, Nov 7, 12:24 AM HAST · 3251 days ago · 37 km deep · 31 km away
28. 2.049 km S of Adak, AlaskaTue, Nov 7, 1:25 AM HAST · 3251 days ago · 41 km deep · 88 km away
29. 1.9Andreanof Islands, Aleutian Islands, AlaskaTue, Nov 7, 4:26 PM HAST · 3250 days ago · 46 km deep · 87 km away
30. 2.053 km SSW of Atka, AlaskaWed, Nov 8, 3:45 PM HAST · 3249 days ago · 41 km deep · 55 km away
31. 4.086 km SSE of Adak, AlaskaThu, Nov 9, 1:31 AM HAST · 3249 days ago · 34 km deep · 93 km away
32. 1.643 km S of Adak, AlaskaThu, Nov 9, 4:24 AM HAST · 3249 days ago · 47 km deep · 91 km away
33. 1.623 km ESE of Adak, AlaskaThu, Nov 9, 8:13 AM HAST · 3248 days ago · 66 km deep · 64 km away
34. 1.762 km SE of Adak, AlaskaThu, Nov 9, 9:56 AM HAST · 3248 days ago · 26 km deep · 54 km away
35. 2.573 km SE of Adak, AlaskaThu, Nov 9, 2:23 PM HAST · 3248 days ago · 14 km deep · 54 km away
36. 2.038 km S of Adak, AlaskaThu, Nov 9, 4:09 PM HAST · 3248 days ago · 42 km deep · 86 km away
37. 1.943 km SE of Adak, AlaskaFri, Nov 10, 1:41 AM HAST · 3248 days ago · 48 km deep · 59 km away
38. 2.455 km WNW of Atka, AlaskaFri, Nov 10, 5:51 AM HAST · 3248 days ago · 218 km deep · 74 km away
39. 2.259 km S of Atka, AlaskaFri, Nov 10, 12:54 PM HAST · 3247 days ago · 35 km deep · 77 km away
40. 1.857 km S of Adak, AlaskaFri, Nov 10, 7:58 PM HAST · 3247 days ago · 23 km deep · 90 km away
41. 2.035 km NE of Adak, AlaskaSat, Nov 11, 1:03 PM HAST · 3246 days ago · 5 km deep · 64 km away
42. 2.144 km SE of Adak, AlaskaSun, Nov 12, 9:42 AM HAST · 3245 days ago · 47 km deep · 66 km away
43. 2.240 km SSE of Adak, AlaskaMon, Nov 13, 2:51 PM HAST · 3244 days ago · 19 km deep · 73 km away
44. 1.687 km SW of Atka, AlaskaTue, Nov 14, 10:12 AM HAST · 3243 days ago · 4 km deep · 25 km away
45. 1.854 km SSE of Adak, AlaskaTue, Nov 14, 12:22 PM HAST · 3243 days ago · 22 km deep · 77 km away
46. 2.158 km SW of Atka, AlaskaTue, Nov 14, 9:20 PM HAST · 3243 days ago · 71 km deep · 37 km away
47. 2.880 km SSE of Adak, AlaskaWed, Nov 15, 12:13 AM HAST · 3243 days ago · 21 km deep · 90 km away
48. 2.924 km SSW of Adak, AlaskaWed, Nov 15, 1:48 AM HAST · 3243 days ago · 60 km deep · 98 km away
49. 2.164 km SE of Adak, AlaskaWed, Nov 15, 1:18 PM HAST · 3242 days ago · 22 km deep · 44 km away
50. 4.668 km SW of Atka, AlaskaWed, Nov 15, 3:09 PM HAST · 3242 days ago · 47 km deep · 31 km away
51. 2.485 km SW of Atka, AlaskaWed, Nov 15, 3:14 PM HAST · 3242 days ago · 41 km deep · 41 km away
52. 2.191 km SSW of Atka, AlaskaWed, Nov 15, 5:57 PM HAST · 3242 days ago · 25 km deep · 48 km away
53. 1.891 km SSW of Atka, AlaskaThu, Nov 16, 5:35 AM HAST · 3242 days ago · 26 km deep · 46 km away
54. 1.664 km SW of Atka, AlaskaThu, Nov 16, 9:24 AM HAST · 3241 days ago · 23 km deep · 36 km away
55. 3.580 km SW of Atka, AlaskaThu, Nov 16, 4:05 PM HAST · 3241 days ago · 23 km deep · 35 km away
56. 1.77 km NE of Adak, AlaskaThu, Nov 16, 8:38 PM HAST · 3241 days ago · 7 km deep · 82 km away
57. 1.8Andreanof Islands, Aleutian Islands, AlaskaThu, Nov 16, 9:47 PM HAST · 3241 days ago · 59 km deep · 97 km away
58. 2.065 km ESE of Adak, AlaskaFri, Nov 17, 12:55 AM HAST · 3241 days ago · 55 km deep · 34 km away
59. 2.467 km ENE of Adak, AlaskaFri, Nov 17, 6:22 PM HAST · 3240 days ago · 154 km deep · 38 km away
60. 2.0104 km ESE of Adak, AlaskaFri, Nov 17, 10:23 PM HAST · 3240 days ago · 41 km deep · 38 km away

The first 60 of 120.

Before

1. 2.726 km ESE of Adak, AlaskaFri, Oct 20, 4:47 PM HADT · 3268 days ago · 78 km deep · 61 km away
2. 2.460 km SSE of Adak, AlaskaFri, Oct 20, 2:28 AM HADT · 3269 days ago · 13 km deep · 86 km away
3. 2.566 km SE of Adak, AlaskaThu, Oct 19, 5:09 PM HADT · 3269 days ago · 27 km deep · 61 km away
4. 2.283 km ESE of Adak, AlaskaWed, Oct 18, 4:48 PM HADT · 3270 days ago · 57 km deep · 30 km away
5. 2.282 km ESE of Adak, AlaskaWed, Oct 18, 2:39 PM HADT · 3270 days ago · 47 km deep · 35 km away
6. 1.930 km S of Atka, AlaskaTue, Oct 17, 2:18 PM HADT · 3271 days ago · 64 km deep · 80 km away
7. 2.579 km SW of Atka, AlaskaTue, Oct 17, 2:15 PM HADT · 3271 days ago · 35 km deep · 40 km away
8. 2.086 km S of Atka, AlaskaMon, Oct 16, 2:33 AM HADT · 3273 days ago · 28 km deep · 87 km away
9. 4.080 km ENE of Adak, AlaskaSun, Oct 15, 7:41 AM HADT · 3274 days ago · 188 km deep · 52 km away
10. 2.275 km ESE of Adak, AlaskaSat, Oct 14, 12:44 PM HADT · 3274 days ago · 46 km deep · 19 km away
11. 1.653 km S of Atka, AlaskaFri, Oct 13, 8:31 PM HADT · 3275 days ago · 21 km deep · 86 km away
12. 1.949 km WSW of Atka, AlaskaThu, Oct 12, 12:53 AM HADT · 3277 days ago · 13 km deep · 43 km away
13. 2.542 km SSE of Adak, AlaskaWed, Oct 11, 11:12 PM HADT · 3277 days ago · 53 km deep · 74 km away
14. 2.390 km SW of Atka, AlaskaWed, Oct 11, 3:28 AM HADT · 3278 days ago · 26 km deep · 23 km away
15. 2.762 km S of Atka, AlaskaTue, Oct 10, 3:59 PM HADT · 3278 days ago · 21 km deep · 88 km away
16. 2.1100 km SE of Adak, AlaskaSun, Oct 8, 10:19 PM HADT · 3280 days ago · 19 km deep · 81 km away
17. 2.2Andreanof Islands, Aleutian Islands, AlaskaSun, Oct 8, 8:53 PM HADT · 3280 days ago · 15 km deep · 89 km away
18. 1.957 km SSE of Adak, AlaskaSat, Oct 7, 7:08 PM HADT · 3281 days ago · 26 km deep · 73 km away
19. 2.018 km SW of Atka, AlaskaSat, Oct 7, 10:24 AM HADT · 3281 days ago · 5 km deep · 74 km away
20. 1.969 km SW of Atka, AlaskaWed, Oct 4, 7:45 AM HADT · 3285 days ago · 42 km deep · 34 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak017dk7ms49 (also filed as ak17105473). Read Fri, Oct 2, 2026, 4:34 AM UTC.