M1.8 earthquake 27 km WNW of Nikiski, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sat, Oct 21, 2017, 6:14 AM AKDT

UTC

2017-10-21 14:14:47 UTC

Depth

80.1 km (49.8 mi), intermediate-depth

Epicenter

60.789° N, 151.748° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

55

• Nikiski, AlaskaPopulation 4,493. Forecast27 kmWNW
• Anchorage, AlaskaPopulation 289,600. Forecast110 kmWSW

After

1. 2.217 km ENE of Nikiski, AlaskaSat, Oct 21, 10:43 AM AKDT · 3268 days ago · 53 km deep · 42 km away
2. 1.964 km E of Port Alsworth, AlaskaSat, Oct 21, 11:37 AM AKDT · 3268 days ago · 137 km deep · 96 km away
3. 1.638 km NW of Ninilchik, AlaskaSat, Oct 21, 3:40 PM AKDT · 3268 days ago · 89 km deep · 62 km away
4. 1.537 km WNW of Happy Valley, AlaskaSun, Oct 22, 1:08 AM AKDT · 3268 days ago · 96 km deep · 86 km away
5. 2.411 km SW of Tyonek, AlaskaSun, Oct 22, 1:39 AM AKDT · 3268 days ago · 66 km deep · 34 km away
6. 1.579 km W of Salamatof, AlaskaSun, Oct 22, 3:40 AM AKDT · 3268 days ago · 108 km deep · 63 km away
7. 1.659 km WNW of Happy Valley, AlaskaSun, Oct 22, 11:09 PM AKDT · 3267 days ago · 103 km deep · 97 km away
8. 1.711 km SE of Point Possession, AlaskaMon, Oct 23, 12:23 AM AKDT · 3267 days ago · 43 km deep · 66 km away
9. 1.638 km SSE of Funny River, AlaskaMon, Oct 23, 1:52 AM AKDT · 3267 days ago · 12 km deep · 96 km away
10. 2.160 km WNW of Happy Valley, AlaskaMon, Oct 23, 9:15 AM AKDT · 3266 days ago · 106 km deep · 90 km away · felt by 1
11. 2.273 km WNW of Beluga, AlaskaMon, Oct 23, 11:31 AM AKDT · 3266 days ago · 0 km deep · 78 km away
12. 1.621 km SSW of Tyonek, AlaskaMon, Oct 23, 12:22 PM AKDT · 3266 days ago · 64 km deep · 26 km away
13. 2.168 km W of Tyonek, AlaskaMon, Oct 23, 3:17 PM AKDT · 3266 days ago · 110 km deep · 45 km away
14. 1.553 km WNW of Nikiski, AlaskaMon, Oct 23, 7:52 PM AKDT · 3266 days ago · 92 km deep · 26 km away
15. 1.626 km SSW of Susitna, AlaskaTue, Oct 24, 2:23 AM AKDT · 3266 days ago · 56 km deep · 83 km away
16. 1.920 km NNE of Fox River, AlaskaTue, Oct 24, 5:34 AM AKDT · 3266 days ago · 42 km deep · 100 km away
17. 1.8Southern AlaskaTue, Oct 24, 7:24 AM AKDT · 3265 days ago · 44 km deep · 58 km away
18. 1.613 km SE of Tyonek, AlaskaTue, Oct 24, 8:37 AM AKDT · 3265 days ago · 58 km deep · 46 km away
19. 1.53 km WNW of Point Possession, AlaskaTue, Oct 24, 9:47 AM AKDT · 3265 days ago · 43 km deep · 57 km away
20. 1.78 km E of Sterling, AlaskaTue, Oct 24, 2:10 PM AKDT · 3265 days ago · 48 km deep · 69 km away
21. 1.848 km WNW of Clam Gulch, AlaskaTue, Oct 24, 5:53 PM AKDT · 3265 days ago · 93 km deep · 48 km away
22. 1.521 km N of Nikiski, AlaskaTue, Oct 24, 6:51 PM AKDT · 3265 days ago · 70 km deep · 28 km away
23. 2.368 km WNW of Nikiski, AlaskaTue, Oct 24, 7:08 PM AKDT · 3265 days ago · 115 km deep · 41 km away
24. 1.859 km WNW of Ninilchik, AlaskaTue, Oct 24, 7:40 PM AKDT · 3265 days ago · 100 km deep · 71 km away
25. 1.617 km ESE of Kasilof, AlaskaTue, Oct 24, 11:44 PM AKDT · 3265 days ago · 58 km deep · 72 km away
26. 1.510 km NNW of Beluga, AlaskaWed, Oct 25, 5:04 AM AKDT · 3265 days ago · 67 km deep · 58 km away
27. 1.753 km NW of Beluga, AlaskaWed, Oct 25, 6:13 AM AKDT · 3265 days ago · 82 km deep · 73 km away
28. 2.114 km SE of Clam Gulch, AlaskaWed, Oct 25, 7:47 AM AKDT · 3264 days ago · 59 km deep · 78 km away
29. 1.519 km NNE of Sterling, AlaskaWed, Oct 25, 10:29 PM AKDT · 3264 days ago · 20 km deep · 59 km away
30. 2.1Southern AlaskaWed, Oct 25, 10:49 PM AKDT · 3264 days ago · 91 km deep · 48 km away
31. 2.071 km E of Port Alsworth, AlaskaThu, Oct 26, 10:53 AM AKDT · 3263 days ago · 126 km deep · 96 km away
32. 1.855 km WNW of Happy Valley, AlaskaThu, Oct 26, 5:32 PM AKDT · 3263 days ago · 96 km deep · 94 km away
33. 1.535 km WNW of Beluga, AlaskaThu, Oct 26, 10:34 PM AKDT · 3263 days ago · 90 km deep · 55 km away
34. 1.825 km SW of Tyonek, AlaskaFri, Oct 27, 2:50 AM AKDT · 3263 days ago · 66 km deep · 20 km away
35. 1.916 km SE of Kasilof, AlaskaFri, Oct 27, 7:25 AM AKDT · 3262 days ago · 61 km deep · 72 km away
36. 2.622 km WNW of Ninilchik, AlaskaFri, Oct 27, 12:03 PM AKDT · 3262 days ago · 67 km deep · 78 km away
37. 1.522 km NW of Beluga, AlaskaFri, Oct 27, 6:44 PM AKDT · 3262 days ago · 66 km deep · 62 km away
38. 1.671 km ENE of Port Alsworth, AlaskaSat, Oct 28, 2:01 AM AKDT · 3262 days ago · 129 km deep · 84 km away
39. 1.846 km WNW of Happy Valley, AlaskaSat, Oct 28, 4:25 PM AKDT · 3261 days ago · 106 km deep · 86 km away
40. 2.090 km W of Salamatof, AlaskaSat, Oct 28, 6:34 PM AKDT · 3261 days ago · 137 km deep · 68 km away
41. 2.362 km W of Ninilchik, AlaskaSun, Oct 29, 6:15 AM AKDT · 3261 days ago · 101 km deep · 89 km away
42. 1.59 km SW of Susitna, AlaskaSun, Oct 29, 10:09 AM AKDT · 3260 days ago · 59 km deep · 97 km away
43. 1.768 km WNW of Happy Valley, AlaskaSun, Oct 29, 11:13 AM AKDT · 3260 days ago · 107 km deep · 92 km away
44. 1.777 km W of Salamatof, AlaskaSun, Oct 29, 2:17 PM AKDT · 3260 days ago · 109 km deep · 61 km away
45. 1.649 km NW of Ninilchik, AlaskaSun, Oct 29, 2:20 PM AKDT · 3260 days ago · 82 km deep · 52 km away
46. 2.467 km W of Tyonek, AlaskaSun, Oct 29, 2:50 PM AKDT · 3260 days ago · 113 km deep · 43 km away
47. 1.653 km WNW of Happy Valley, AlaskaMon, Oct 30, 12:26 AM AKDT · 3260 days ago · 93 km deep · 96 km away
48. 1.670 km W of Tyonek, AlaskaMon, Oct 30, 1:25 AM AKDT · 3260 days ago · 113 km deep · 48 km away
49. 1.619 km N of Nikiski, AlaskaMon, Oct 30, 3:59 AM AKDT · 3260 days ago · 70 km deep · 27 km away
50. 1.541 km WSW of Tyonek, AlaskaMon, Oct 30, 3:06 PM AKDT · 3259 days ago · 86 km deep · 19 km away
51. 1.667 km W of Tyonek, AlaskaMon, Oct 30, 3:18 PM AKDT · 3259 days ago · 113 km deep · 46 km away
52. 2.534 km W of Kalifornsky, AlaskaMon, Oct 30, 10:24 PM AKDT · 3259 days ago · 76 km deep · 40 km away · felt by 2
53. 1.773 km ENE of Port Alsworth, AlaskaTue, Oct 31, 8:51 AM AKDT · 3258 days ago · 132 km deep · 81 km away
54. 1.524 km NE of Beluga, AlaskaTue, Oct 31, 9:43 AM AKDT · 3258 days ago · 55 km deep · 78 km away
55. 1.666 km E of Port Alsworth, AlaskaTue, Oct 31, 10:51 PM AKDT · 3258 days ago · 132 km deep · 94 km away
56. 1.528 km WNW of Cohoe, AlaskaWed, Nov 1, 1:05 AM AKDT · 3258 days ago · 73 km deep · 41 km away
57. 1.771 km E of Port Alsworth, AlaskaWed, Nov 1, 9:40 AM AKDT · 3257 days ago · 128 km deep · 89 km away
58. 1.620 km WNW of Beluga, AlaskaThu, Nov 2, 3:29 AM AKDT · 3257 days ago · 73 km deep · 48 km away
59. 2.069 km WNW of Happy Valley, AlaskaThu, Nov 2, 12:45 PM AKDT · 3256 days ago · 123 km deep · 98 km away
60. 1.559 km NW of Ninilchik, AlaskaThu, Nov 2, 1:49 PM AKDT · 3256 days ago · 106 km deep · 64 km away

The first 60 of at least 200.

Before

1. 1.554 km NW of Ninilchik, AlaskaSat, Oct 21, 12:08 AM AKDT · 3269 days ago · 95 km deep · 58 km away
2. 1.524 km W of Salamatof, AlaskaFri, Oct 20, 6:35 PM AKDT · 3269 days ago · 73 km deep · 17 km away
3. 2.055 km NW of Ninilchik, AlaskaFri, Oct 20, 4:03 PM AKDT · 3269 days ago · 108 km deep · 64 km away
4. 1.75 km N of Sterling, AlaskaFri, Oct 20, 5:44 AM AKDT · 3270 days ago · 46 km deep · 59 km away
5. 1.518 km E of Point Possession, AlaskaFri, Oct 20, 5:39 AM AKDT · 3270 days ago · 39 km deep · 78 km away
6. 1.512 km SW of Susitna, AlaskaFri, Oct 20, 1:31 AM AKDT · 3270 days ago · 58 km deep · 95 km away
7. 1.854 km WNW of Ninilchik, AlaskaFri, Oct 20, 12:40 AM AKDT · 3270 days ago · 104 km deep · 75 km away
8. 1.718 km E of Funny River, AlaskaThu, Oct 19, 10:32 PM AKDT · 3270 days ago · 39 km deep · 79 km away
9. 1.883 km W of Tyonek, AlaskaThu, Oct 19, 9:31 PM AKDT · 3270 days ago · 134 km deep · 57 km away
10. 2.212 km SSE of Clam Gulch, AlaskaThu, Oct 19, 2:32 PM AKDT · 3270 days ago · 45 km deep · 77 km away
11. 1.736 km WNW of Ninilchik, AlaskaThu, Oct 19, 12:07 PM AKDT · 3270 days ago · 96 km deep · 77 km away
12. 1.847 km WNW of Clam Gulch, AlaskaThu, Oct 19, 6:57 AM AKDT · 3270 days ago · 89 km deep · 47 km away
13. 1.926 km NW of Ninilchik, AlaskaThu, Oct 19, 3:23 AM AKDT · 3271 days ago · 73 km deep · 62 km away
14. 1.619 km NW of Beluga, AlaskaWed, Oct 18, 9:52 AM AKDT · 3271 days ago · 71 km deep · 58 km away
15. 1.514 km SSW of Tyonek, AlaskaWed, Oct 18, 8:30 AM AKDT · 3271 days ago · 56 km deep · 33 km away
16. 1.754 km WNW of Ninilchik, AlaskaWed, Oct 18, 5:36 AM AKDT · 3272 days ago · 102 km deep · 73 km away
17. 1.5Kenai Peninsula, AlaskaWed, Oct 18, 2:42 AM AKDT · 3272 days ago · 57 km deep · 30 km away
18. 2.15 km ENE of Kenai, AlaskaTue, Oct 17, 11:28 PM AKDT · 3272 days ago · 52 km deep · 40 km away
19. 1.814 km SW of Point Possession, AlaskaTue, Oct 17, 8:19 PM AKDT · 3272 days ago · 52 km deep · 47 km away
20. 1.512 km SW of Clam Gulch, AlaskaTue, Oct 17, 7:24 PM AKDT · 3272 days ago · 38 km deep · 71 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak017digf7bg (also filed as ak17091390). Read Sat, Oct 3, 2026, 2:09 AM UTC.