M1.8 earthquake 45 km W of Nanwalek, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Fri, Oct 20, 2017, 6:18 AM AKDT

UTC

2017-10-20 14:18:44 UTC

Depth

82.1 km (51.0 mi), intermediate-depth

Epicenter

59.367° N, 152.723° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

32

• Anchor Point, AlaskaPopulation 1,930. Forecast68 kmSW
• Anchorage, AlaskaPopulation 289,600. Forecast258 kmSW

After

1. 1.761 km E of Pedro Bay, AlaskaFri, Oct 20, 6:44 AM AKDT · 3269 days ago · 98 km deep · 54 km away
2. 1.9Southern AlaskaFri, Oct 20, 7:10 AM AKDT · 3269 days ago · 92 km deep · 56 km away
3. 1.853 km E of Pedro Bay, AlaskaFri, Oct 20, 9:47 AM AKDT · 3269 days ago · 103 km deep · 49 km away
4. 1.653 km E of Pedro Bay, AlaskaFri, Oct 20, 1:56 PM AKDT · 3269 days ago · 107 km deep · 51 km away
5. 1.856 km E of Port Alsworth, AlaskaFri, Oct 20, 4:47 PM AKDT · 3269 days ago · 141 km deep · 98 km away
6. 1.665 km WNW of Happy Valley, AlaskaFri, Oct 20, 6:05 PM AKDT · 3269 days ago · 106 km deep · 79 km away
7. 1.564 km SE of Pedro Bay, AlaskaFri, Oct 20, 7:00 PM AKDT · 3269 days ago · 94 km deep · 27 km away
8. 1.644 km WSW of Anchor Point, AlaskaFri, Oct 20, 7:34 PM AKDT · 3269 days ago · 67 km deep · 28 km away
9. 1.663 km ENE of Pedro Bay, AlaskaFri, Oct 20, 7:48 PM AKDT · 3269 days ago · 10 km deep · 72 km away
10. 1.530 km WSW of Nanwalek, AlaskaFri, Oct 20, 8:59 PM AKDT · 3269 days ago · 70 km deep · 26 km away
11. 1.574 km SW of Nanwalek, AlaskaFri, Oct 20, 9:12 PM AKDT · 3269 days ago · 71 km deep · 49 km away
12. 1.859 km SE of Pedro Bay, AlaskaFri, Oct 20, 11:07 PM AKDT · 3269 days ago · 98 km deep · 31 km away
13. 1.759 km WNW of Anchor Point, AlaskaFri, Oct 20, 11:10 PM AKDT · 3269 days ago · 92 km deep · 63 km away
14. 1.7Southern AlaskaSat, Oct 21, 1:21 AM AKDT · 3269 days ago · 92 km deep · 49 km away
15. 1.530 km W of Nanwalek, AlaskaSat, Oct 21, 2:53 AM AKDT · 3269 days ago · 73 km deep · 15 km away
16. 2.2Southern AlaskaSat, Oct 21, 3:13 AM AKDT · 3269 days ago · 105 km deep · 47 km away
17. 1.858 km E of Pedro Bay, AlaskaSat, Oct 21, 4:13 AM AKDT · 3269 days ago · 99 km deep · 49 km away
18. 1.760 km WNW of Anchor Point, AlaskaSat, Oct 21, 7:48 AM AKDT · 3268 days ago · 90 km deep · 59 km away
19. 2.043 km NE of Pedro Bay, AlaskaSat, Oct 21, 7:58 AM AKDT · 3268 days ago · 147 km deep · 83 km away
20. 1.954 km ENE of Pedro Bay, AlaskaSat, Oct 21, 10:05 AM AKDT · 3268 days ago · 118 km deep · 75 km away
21. 1.648 km ESE of Pope-Vannoy Landing, AlaskaSat, Oct 21, 3:01 PM AKDT · 3268 days ago · 107 km deep · 58 km away
22. 1.650 km W of Anchor Point, AlaskaSat, Oct 21, 7:50 PM AKDT · 3268 days ago · 89 km deep · 41 km away
23. 2.033 km NE of Pedro Bay, AlaskaSat, Oct 21, 8:06 PM AKDT · 3268 days ago · 148 km deep · 84 km away
24. 1.537 km WNW of Happy Valley, AlaskaSun, Oct 22, 1:08 AM AKDT · 3268 days ago · 96 km deep · 81 km away
25. 1.776 km N of Aleneva, AlaskaSun, Oct 22, 1:20 AM AKDT · 3268 days ago · 72 km deep · 70 km away
26. 2.030 km E of Pedro Bay, AlaskaSun, Oct 22, 2:36 AM AKDT · 3268 days ago · 126 km deep · 67 km away
27. 1.688 km SW of Nanwalek, AlaskaSun, Oct 22, 2:43 AM AKDT · 3268 days ago · 66 km deep · 61 km away
28. 2.041 km ENE of Pedro Bay, AlaskaSun, Oct 22, 5:21 AM AKDT · 3268 days ago · 148 km deep · 79 km away
29. 2.457 km WNW of Anchor Point, AlaskaSun, Oct 22, 7:15 PM AKDT · 3267 days ago · 91 km deep · 60 km away
30. 1.8Southern AlaskaSun, Oct 22, 10:10 PM AKDT · 3267 days ago · 132 km deep · 68 km away
31. 1.659 km WNW of Happy Valley, AlaskaSun, Oct 22, 11:09 PM AKDT · 3267 days ago · 103 km deep · 79 km away
32. 1.720 km SW of Anchor Point, AlaskaSun, Oct 22, 11:27 PM AKDT · 3267 days ago · 65 km deep · 48 km away
33. 1.868 km E of Port Alsworth, AlaskaMon, Oct 23, 4:14 AM AKDT · 3267 days ago · 121 km deep · 90 km away
34. 2.160 km WNW of Happy Valley, AlaskaMon, Oct 23, 9:15 AM AKDT · 3266 days ago · 106 km deep · 86 km away · felt by 1
35. 2.555 km ENE of Pedro Bay, AlaskaMon, Oct 23, 11:13 AM AKDT · 3266 days ago · 117 km deep · 65 km away
36. 1.946 km WNW of Nanwalek, AlaskaMon, Oct 23, 2:07 PM AKDT · 3266 days ago · 84 km deep · 11 km away
37. 1.77 km NNW of Anchor Point, AlaskaMon, Oct 23, 3:29 PM AKDT · 3266 days ago · 60 km deep · 70 km away
38. 1.765 km SE of Pedro Bay, AlaskaMon, Oct 23, 5:21 PM AKDT · 3266 days ago · 97 km deep · 39 km away
39. 1.935 km W of Anchor Point, AlaskaMon, Oct 23, 6:45 PM AKDT · 3266 days ago · 68 km deep · 48 km away
40. 1.726 km WSW of Nanwalek, AlaskaMon, Oct 23, 7:37 PM AKDT · 3266 days ago · 69 km deep · 21 km away
41. 2.258 km W of Nanwalek, AlaskaTue, Oct 24, 4:37 AM AKDT · 3266 days ago · 94 km deep · 14 km away
42. 1.942 km ESE of Pedro Bay, AlaskaTue, Oct 24, 1:53 PM AKDT · 3265 days ago · 112 km deep · 49 km away
43. 1.844 km WNW of Nanwalek, AlaskaTue, Oct 24, 7:53 PM AKDT · 3265 days ago · 86 km deep · 19 km away
44. 1.824 km WNW of Nanwalek, AlaskaTue, Oct 24, 8:41 PM AKDT · 3265 days ago · 76 km deep · 28 km away
45. 2.156 km E of Pedro Bay, AlaskaWed, Oct 25, 11:02 AM AKDT · 3264 days ago · 109 km deep · 50 km away
46. 2.076 km NNE of Aleneva, AlaskaWed, Oct 25, 3:37 PM AKDT · 3264 days ago · 72 km deep · 72 km away
47. 1.858 km ESE of Pedro Bay, AlaskaWed, Oct 25, 3:46 PM AKDT · 3264 days ago · 98 km deep · 33 km away
48. 2.247 km ESE of Port Alsworth, AlaskaWed, Oct 25, 4:28 PM AKDT · 3264 days ago · 133 km deep · 92 km away
49. 1.964 km W of Happy Valley, AlaskaWed, Oct 25, 11:55 PM AKDT · 3264 days ago · 107 km deep · 76 km away
50. 3.258 km W of Anchor Point, AlaskaThu, Oct 26, 12:58 AM AKDT · 3264 days ago · 99 km deep · 53 km away
51. 1.862 km W of Anchor Point, AlaskaThu, Oct 26, 4:51 AM AKDT · 3264 days ago · 101 km deep · 52 km away
52. 1.850 km W of Nanwalek, AlaskaThu, Oct 26, 8:48 AM AKDT · 3263 days ago · 74 km deep · 6 km away
53. 1.793 km NW of Aleneva, AlaskaThu, Oct 26, 10:00 AM AKDT · 3263 days ago · 77 km deep · 91 km away
54. 2.071 km E of Port Alsworth, AlaskaThu, Oct 26, 10:53 AM AKDT · 3263 days ago · 126 km deep · 94 km away
55. 1.855 km WNW of Happy Valley, AlaskaThu, Oct 26, 5:32 PM AKDT · 3263 days ago · 96 km deep · 79 km away
56. 2.283 km N of Aleneva, AlaskaThu, Oct 26, 7:00 PM AKDT · 3263 days ago · 66 km deep · 64 km away
57. 2.157 km ESE of Pope-Vannoy Landing, AlaskaThu, Oct 26, 9:34 PM AKDT · 3263 days ago · 118 km deep · 50 km away
58. 1.960 km E of Port Alsworth, AlaskaThu, Oct 26, 10:58 PM AKDT · 3263 days ago · 127 km deep · 90 km away
59. 2.136 km ESE of Pope-Vannoy Landing, AlaskaFri, Oct 27, 8:36 AM AKDT · 3262 days ago · 125 km deep · 66 km away
60. 2.622 km WNW of Ninilchik, AlaskaFri, Oct 27, 12:03 PM AKDT · 3262 days ago · 67 km deep · 90 km away

The first 60 of at least 200.

Before

1. 2.087 km SW of Nanwalek, AlaskaFri, Oct 20, 1:19 AM AKDT · 3270 days ago · 68 km deep · 60 km away
2. 1.854 km WNW of Ninilchik, AlaskaFri, Oct 20, 12:40 AM AKDT · 3270 days ago · 104 km deep · 98 km away
3. 2.637 km W of Anchor Point, AlaskaThu, Oct 19, 9:19 PM AKDT · 3270 days ago · 75 km deep · 43 km away
4. 2.536 km SW of Nanwalek, AlaskaThu, Oct 19, 7:33 PM AKDT · 3270 days ago · 61 km deep · 31 km away
5. 2.737 km SW of Nanwalek, AlaskaThu, Oct 19, 7:05 PM AKDT · 3270 days ago · 62 km deep · 31 km away
6. 1.852 km W of Nanwalek, AlaskaThu, Oct 19, 5:59 PM AKDT · 3270 days ago · 87 km deep · 10 km away
7. 1.736 km WNW of Ninilchik, AlaskaThu, Oct 19, 12:07 PM AKDT · 3270 days ago · 96 km deep · 90 km away
8. 2.0Southern AlaskaThu, Oct 19, 8:15 AM AKDT · 3270 days ago · 3 km deep · 44 km away
9. 2.146 km ESE of Pedro Bay, AlaskaThu, Oct 19, 1:34 AM AKDT · 3271 days ago · 112 km deep · 48 km away
10. 2.253 km E of Pedro Bay, AlaskaWed, Oct 18, 9:53 PM AKDT · 3271 days ago · 102 km deep · 48 km away
11. 4.7Southern AlaskaWed, Oct 18, 9:35 PM AKDT · 3271 days ago · 102 km deep · 48 km away · felt by 205 · tsunami flag
12. 2.164 km WNW of Anchor Point, AlaskaWed, Oct 18, 4:26 AM AKDT · 3272 days ago · 121 km deep · 60 km away
13. 2.054 km ENE of Pedro Bay, AlaskaWed, Oct 18, 1:10 AM AKDT · 3272 days ago · 117 km deep · 75 km away
14. 1.559 km E of Pedro Bay, AlaskaTue, Oct 17, 10:19 PM AKDT · 3272 days ago · 98 km deep · 54 km away
15. 2.031 km E of Pedro Bay, AlaskaTue, Oct 17, 7:32 PM AKDT · 3272 days ago · 136 km deep · 64 km away
16. 2.327 km E of Pedro Bay, AlaskaTue, Oct 17, 6:05 PM AKDT · 3272 days ago · 134 km deep · 72 km away
17. 1.751 km S of Port Graham, AlaskaTue, Oct 17, 4:22 PM AKDT · 3272 days ago · 47 km deep · 77 km away
18. 2.117 km WNW of Anchor Point, AlaskaTue, Oct 17, 2:49 PM AKDT · 3272 days ago · 64 km deep · 64 km away
19. 2.258 km ENE of Pedro Bay, AlaskaTue, Oct 17, 4:48 AM AKDT · 3273 days ago · 129 km deep · 77 km away
20. 1.554 km E of Pedro Bay, AlaskaTue, Oct 17, 12:29 AM AKDT · 3273 days ago · 102 km deep · 47 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak017dgswphd (also filed as ak17090758). Read Sat, Oct 3, 2026, 1:32 AM UTC.