M1.6 earthquake 38 km NW of Ninilchik, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, Oct 21, 2017, 3:40 PM AKDT

UTC

2017-10-21 23:40:37 UTC

Depth

88.6 km (55.1 mi), intermediate-depth

Epicenter

60.278° N, 152.182° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

33

• Ninilchik, AlaskaPopulation 883. Forecast38 kmNW
• Anchorage, AlaskaPopulation 289,600. Forecast162 kmSW

After

1. 1.650 km W of Anchor Point, AlaskaSat, Oct 21, 7:50 PM AKDT · 3270 days ago · 89 km deep · 68 km away
2. 2.033 km NE of Pedro Bay, AlaskaSat, Oct 21, 8:06 PM AKDT · 3270 days ago · 148 km deep · 87 km away
3. 1.537 km WNW of Happy Valley, AlaskaSun, Oct 22, 1:08 AM AKDT · 3270 days ago · 96 km deep · 24 km away
4. 2.411 km SW of Tyonek, AlaskaSun, Oct 22, 1:39 AM AKDT · 3270 days ago · 66 km deep · 94 km away
5. 2.030 km E of Pedro Bay, AlaskaSun, Oct 22, 2:36 AM AKDT · 3270 days ago · 126 km deep · 94 km away
6. 1.579 km W of Salamatof, AlaskaSun, Oct 22, 3:40 AM AKDT · 3270 days ago · 108 km deep · 42 km away
7. 2.041 km ENE of Pedro Bay, AlaskaSun, Oct 22, 5:21 AM AKDT · 3270 days ago · 148 km deep · 78 km away
8. 2.457 km WNW of Anchor Point, AlaskaSun, Oct 22, 7:15 PM AKDT · 3269 days ago · 91 km deep · 55 km away
9. 1.8Southern AlaskaSun, Oct 22, 10:10 PM AKDT · 3269 days ago · 132 km deep · 84 km away
10. 1.659 km WNW of Happy Valley, AlaskaSun, Oct 22, 11:09 PM AKDT · 3269 days ago · 103 km deep · 39 km away
11. 1.720 km SW of Anchor Point, AlaskaSun, Oct 22, 11:27 PM AKDT · 3269 days ago · 65 km deep · 69 km away
12. 1.638 km SSE of Funny River, AlaskaMon, Oct 23, 1:52 AM AKDT · 3269 days ago · 12 km deep · 93 km away
13. 1.868 km E of Port Alsworth, AlaskaMon, Oct 23, 4:14 AM AKDT · 3269 days ago · 121 km deep · 52 km away
14. 2.160 km WNW of Happy Valley, AlaskaMon, Oct 23, 9:15 AM AKDT · 3268 days ago · 106 km deep · 34 km away · felt by 1
15. 2.555 km ENE of Pedro Bay, AlaskaMon, Oct 23, 11:13 AM AKDT · 3268 days ago · 117 km deep · 67 km away
16. 1.621 km SSW of Tyonek, AlaskaMon, Oct 23, 12:22 PM AKDT · 3268 days ago · 64 km deep · 84 km away
17. 1.946 km WNW of Nanwalek, AlaskaMon, Oct 23, 2:07 PM AKDT · 3268 days ago · 84 km deep · 95 km away
18. 2.168 km W of Tyonek, AlaskaMon, Oct 23, 3:17 PM AKDT · 3268 days ago · 110 km deep · 86 km away
19. 1.77 km NNW of Anchor Point, AlaskaMon, Oct 23, 3:29 PM AKDT · 3268 days ago · 60 km deep · 51 km away
20. 1.935 km W of Anchor Point, AlaskaMon, Oct 23, 6:45 PM AKDT · 3268 days ago · 68 km deep · 57 km away
21. 1.553 km WNW of Nikiski, AlaskaMon, Oct 23, 7:52 PM AKDT · 3268 days ago · 92 km deep · 61 km away
22. 1.920 km NNE of Fox River, AlaskaTue, Oct 24, 5:34 AM AKDT · 3268 days ago · 42 km deep · 82 km away
23. 1.78 km E of Sterling, AlaskaTue, Oct 24, 2:10 PM AKDT · 3267 days ago · 48 km deep · 90 km away
24. 1.848 km WNW of Clam Gulch, AlaskaTue, Oct 24, 5:53 PM AKDT · 3267 days ago · 93 km deep · 15 km away
25. 1.521 km N of Nikiski, AlaskaTue, Oct 24, 6:51 PM AKDT · 3267 days ago · 70 km deep · 84 km away
26. 2.368 km WNW of Nikiski, AlaskaTue, Oct 24, 7:08 PM AKDT · 3267 days ago · 115 km deep · 70 km away
27. 1.859 km WNW of Ninilchik, AlaskaTue, Oct 24, 7:40 PM AKDT · 3267 days ago · 100 km deep · 23 km away
28. 1.844 km WNW of Nanwalek, AlaskaTue, Oct 24, 7:53 PM AKDT · 3267 days ago · 86 km deep · 87 km away
29. 1.824 km WNW of Nanwalek, AlaskaTue, Oct 24, 8:41 PM AKDT · 3267 days ago · 76 km deep · 90 km away
30. 1.617 km ESE of Kasilof, AlaskaTue, Oct 24, 11:44 PM AKDT · 3267 days ago · 58 km deep · 66 km away
31. 1.51 km ESE of Fox River, AlaskaWed, Oct 25, 6:51 AM AKDT · 3267 days ago · 55 km deep · 84 km away
32. 2.114 km SE of Clam Gulch, AlaskaWed, Oct 25, 7:47 AM AKDT · 3266 days ago · 59 km deep · 56 km away
33. 2.156 km E of Pedro Bay, AlaskaWed, Oct 25, 11:02 AM AKDT · 3266 days ago · 109 km deep · 76 km away
34. 2.247 km ESE of Port Alsworth, AlaskaWed, Oct 25, 4:28 PM AKDT · 3266 days ago · 133 km deep · 74 km away
35. 1.519 km NNE of Sterling, AlaskaWed, Oct 25, 10:29 PM AKDT · 3266 days ago · 20 km deep · 96 km away
36. 1.964 km W of Happy Valley, AlaskaWed, Oct 25, 11:55 PM AKDT · 3266 days ago · 107 km deep · 46 km away
37. 3.258 km W of Anchor Point, AlaskaThu, Oct 26, 12:58 AM AKDT · 3266 days ago · 99 km deep · 62 km away
38. 1.862 km W of Anchor Point, AlaskaThu, Oct 26, 4:51 AM AKDT · 3266 days ago · 101 km deep · 66 km away
39. 1.714 km WNW of Fox River, AlaskaThu, Oct 26, 8:19 AM AKDT · 3265 days ago · 46 km deep · 68 km away
40. 2.071 km E of Port Alsworth, AlaskaThu, Oct 26, 10:53 AM AKDT · 3265 days ago · 126 km deep · 48 km away
41. 1.855 km WNW of Happy Valley, AlaskaThu, Oct 26, 5:32 PM AKDT · 3265 days ago · 96 km deep · 35 km away
42. 1.960 km E of Port Alsworth, AlaskaThu, Oct 26, 10:58 PM AKDT · 3265 days ago · 127 km deep · 61 km away
43. 1.825 km SW of Tyonek, AlaskaFri, Oct 27, 2:50 AM AKDT · 3265 days ago · 66 km deep · 81 km away
44. 1.916 km SE of Kasilof, AlaskaFri, Oct 27, 7:25 AM AKDT · 3265 days ago · 61 km deep · 62 km away
45. 2.622 km WNW of Ninilchik, AlaskaFri, Oct 27, 12:03 PM AKDT · 3264 days ago · 67 km deep · 20 km away
46. 1.660 km W of Happy Valley, AlaskaFri, Oct 27, 4:54 PM AKDT · 3264 days ago · 102 km deep · 45 km away
47. 2.039 km ENE of Pedro Bay, AlaskaFri, Oct 27, 6:13 PM AKDT · 3264 days ago · 131 km deep · 83 km away
48. 1.962 km ESE of Pedro Bay, AlaskaFri, Oct 27, 10:31 PM AKDT · 3264 days ago · 91 km deep · 94 km away
49. 1.646 km W of Anchor Point, AlaskaSat, Oct 28, 12:26 AM AKDT · 3264 days ago · 92 km deep · 58 km away
50. 1.73 km ENE of Anchor Point, AlaskaSat, Oct 28, 1:11 AM AKDT · 3264 days ago · 61 km deep · 58 km away
51. 1.949 km WNW of Nanwalek, AlaskaSat, Oct 28, 1:25 AM AKDT · 3264 days ago · 92 km deep · 89 km away · felt by 1
52. 1.671 km ENE of Port Alsworth, AlaskaSat, Oct 28, 2:01 AM AKDT · 3264 days ago · 129 km deep · 53 km away
53. 1.561 km ESE of Pedro Bay, AlaskaSat, Oct 28, 2:29 AM AKDT · 3264 days ago · 112 km deep · 83 km away
54. 1.846 km WNW of Happy Valley, AlaskaSat, Oct 28, 4:25 PM AKDT · 3263 days ago · 106 km deep · 26 km away
55. 2.090 km W of Salamatof, AlaskaSat, Oct 28, 6:34 PM AKDT · 3263 days ago · 137 km deep · 63 km away
56. 1.652 km ESE of Pedro Bay, AlaskaSat, Oct 28, 6:49 PM AKDT · 3263 days ago · 106 km deep · 87 km away
57. 1.663 km ESE of Pedro Bay, AlaskaSat, Oct 28, 8:12 PM AKDT · 3263 days ago · 94 km deep · 92 km away
58. 1.861 km WNW of Nanwalek, AlaskaSat, Oct 28, 10:25 PM AKDT · 3263 days ago · 95 km deep · 97 km away
59. 1.640 km ESE of Pedro Bay, AlaskaSat, Oct 28, 11:31 PM AKDT · 3263 days ago · 107 km deep · 100 km away
60. 1.512 km NNE of Fritz Creek, AlaskaSat, Oct 28, 11:41 PM AKDT · 3263 days ago · 62 km deep · 74 km away

The first 60 of at least 201.

Before

1. 1.964 km E of Port Alsworth, AlaskaSat, Oct 21, 11:37 AM AKDT · 3270 days ago · 137 km deep · 54 km away
2. 2.217 km ENE of Nikiski, AlaskaSat, Oct 21, 10:43 AM AKDT · 3270 days ago · 53 km deep · 83 km away
3. 1.954 km ENE of Pedro Bay, AlaskaSat, Oct 21, 10:05 AM AKDT · 3270 days ago · 118 km deep · 65 km away
4. 2.043 km NE of Pedro Bay, AlaskaSat, Oct 21, 7:58 AM AKDT · 3270 days ago · 147 km deep · 77 km away
5. 1.760 km WNW of Anchor Point, AlaskaSat, Oct 21, 7:48 AM AKDT · 3270 days ago · 90 km deep · 59 km away
6. 1.827 km WNW of Nikiski, AlaskaSat, Oct 21, 6:14 AM AKDT · 3271 days ago · 80 km deep · 62 km away
7. 1.858 km E of Pedro Bay, AlaskaSat, Oct 21, 4:13 AM AKDT · 3271 days ago · 99 km deep · 75 km away
8. 2.2Southern AlaskaSat, Oct 21, 3:13 AM AKDT · 3271 days ago · 105 km deep · 78 km away
9. 1.7Southern AlaskaSat, Oct 21, 1:21 AM AKDT · 3271 days ago · 92 km deep · 72 km away
10. 1.554 km NW of Ninilchik, AlaskaSat, Oct 21, 12:08 AM AKDT · 3271 days ago · 95 km deep · 16 km away
11. 1.759 km WNW of Anchor Point, AlaskaFri, Oct 20, 11:10 PM AKDT · 3271 days ago · 92 km deep · 54 km away
12. 1.663 km ENE of Pedro Bay, AlaskaFri, Oct 20, 7:48 PM AKDT · 3271 days ago · 10 km deep · 58 km away
13. 1.644 km WSW of Anchor Point, AlaskaFri, Oct 20, 7:34 PM AKDT · 3271 days ago · 67 km deep · 78 km away
14. 1.524 km W of Salamatof, AlaskaFri, Oct 20, 6:35 PM AKDT · 3271 days ago · 73 km deep · 46 km away
15. 1.665 km WNW of Happy Valley, AlaskaFri, Oct 20, 6:05 PM AKDT · 3271 days ago · 106 km deep · 45 km away
16. 1.856 km E of Port Alsworth, AlaskaFri, Oct 20, 4:47 PM AKDT · 3271 days ago · 141 km deep · 63 km away
17. 2.055 km NW of Ninilchik, AlaskaFri, Oct 20, 4:03 PM AKDT · 3271 days ago · 108 km deep · 18 km away
18. 1.653 km E of Pedro Bay, AlaskaFri, Oct 20, 1:56 PM AKDT · 3271 days ago · 107 km deep · 79 km away
19. 1.853 km E of Pedro Bay, AlaskaFri, Oct 20, 9:47 AM AKDT · 3271 days ago · 103 km deep · 80 km away
20. 1.761 km E of Pedro Bay, AlaskaFri, Oct 20, 6:44 AM AKDT · 3272 days ago · 98 km deep · 68 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak017dilxno1 (also filed as ak17091558). Read Mon, Oct 5, 2026, 3:00 AM UTC.