M1.6 earthquake 29 km WNW of Nikiski, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Wed, Feb 21, 2018, 1:38 AM AKST

UTC

2018-02-21 10:38:34 UTC

Depth

78.6 km (48.8 mi), intermediate-depth

Epicenter

60.788° N, 151.799° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

55

• Nikiski, AlaskaPopulation 4,493. Forecast30 kmWNW
• Anchorage, AlaskaPopulation 289,600. Forecast113 kmWSW

After

1. 2.021 km ESE of Clam Gulch, AlaskaWed, Feb 21, 3:37 PM AKST · 3146 days ago · 58 km deep · 79 km away
2. 1.673 km E of Port Alsworth, AlaskaWed, Feb 21, 11:32 PM AKST · 3146 days ago · 134 km deep · 84 km away
3. 2.165 km WNW of Happy Valley, AlaskaThu, Feb 22, 5:40 AM AKST · 3146 days ago · 109 km deep · 96 km away
4. 1.616 km NE of Point Possession, AlaskaThu, Feb 22, 5:43 AM AKST · 3146 days ago · 56 km deep · 75 km away
5. 1.667 km WNW of Happy Valley, AlaskaFri, Feb 23, 12:07 AM AKST · 3145 days ago · 99 km deep · 98 km away
6. 1.724 km W of Salamatof, AlaskaFri, Feb 23, 1:10 AM AKST · 3145 days ago · 79 km deep · 16 km away
7. 1.864 km WNW of Happy Valley, AlaskaFri, Feb 23, 1:35 AM AKST · 3145 days ago · 112 km deep · 98 km away
8. 1.66 km ENE of Nikiski, AlaskaFri, Feb 23, 2:39 AM AKST · 3145 days ago · 70 km deep · 34 km away
9. 2.044 km NW of Beluga, AlaskaFri, Feb 23, 1:23 PM AKST · 3144 days ago · 80 km deep · 66 km away
10. 1.666 km WNW of Beluga, AlaskaFri, Feb 23, 6:08 PM AKST · 3144 days ago · 104 km deep · 67 km away
11. 1.667 km WNW of Happy Valley, AlaskaFri, Feb 23, 6:32 PM AKST · 3144 days ago · 102 km deep · 91 km away
12. 1.641 km W of Salamatof, AlaskaFri, Feb 23, 10:10 PM AKST · 3144 days ago · 89 km deep · 20 km away
13. 1.873 km E of Port Alsworth, AlaskaSat, Feb 24, 4:13 AM AKST · 3144 days ago · 114 km deep · 90 km away
14. 1.746 km NW of Ninilchik, AlaskaSat, Feb 24, 5:30 AM AKST · 3144 days ago · 91 km deep · 59 km away
15. 1.769 km W of Tyonek, AlaskaSat, Feb 24, 1:45 PM AKST · 3143 days ago · 121 km deep · 51 km away
16. 2.732 km WNW of Salamatof, AlaskaSun, Feb 25, 8:35 AM AKST · 3142 days ago · 78 km deep · 11 km away
17. 1.622 km WNW of Happy Valley, AlaskaSun, Feb 25, 10:50 AM AKST · 3142 days ago · 73 km deep · 85 km away
18. 1.544 km W of Happy Valley, AlaskaSun, Feb 25, 3:25 PM AKST · 3142 days ago · 78 km deep · 97 km away
19. 1.641 km WNW of Ninilchik, AlaskaSun, Feb 25, 8:56 PM AKST · 3142 days ago · 91 km deep · 67 km away
20. 1.644 km S of Skwentna, AlaskaSun, Feb 25, 11:29 PM AKST · 3142 days ago · 80 km deep · 91 km away
21. 1.843 km NW of Ninilchik, AlaskaMon, Feb 26, 1:41 AM AKST · 3142 days ago · 85 km deep · 59 km away
22. 1.965 km E of Port Alsworth, AlaskaMon, Feb 26, 12:58 PM AKST · 3141 days ago · 131 km deep · 95 km away
23. 1.758 km WNW of Ninilchik, AlaskaMon, Feb 26, 3:13 PM AKST · 3141 days ago · 109 km deep · 83 km away
24. 1.924 km SW of Tyonek, AlaskaMon, Feb 26, 5:21 PM AKST · 3141 days ago · 68 km deep · 23 km away
25. 2.021 km W of Happy Valley, AlaskaMon, Feb 26, 9:00 PM AKST · 3141 days ago · 73 km deep · 93 km away
26. 1.719 km SE of Point Possession, AlaskaMon, Feb 26, 10:01 PM AKST · 3141 days ago · 47 km deep · 76 km away
27. 1.515 km W of Susitna, AlaskaTue, Feb 27, 3:30 AM AKST · 3141 days ago · 66 km deep · 98 km away
28. 1.627 km SW of Hope, AlaskaTue, Feb 27, 6:16 AM AKST · 3140 days ago · 37 km deep · 100 km away
29. 1.66 km SSE of Kenai, AlaskaTue, Feb 27, 7:24 AM AKST · 3140 days ago · 65 km deep · 44 km away
30. 1.932 km WNW of Happy Valley, AlaskaTue, Feb 27, 12:33 PM AKST · 3140 days ago · 70 km deep · 89 km away
31. 1.948 km WNW of Happy Valley, AlaskaTue, Feb 27, 8:31 PM AKST · 3140 days ago · 93 km deep · 84 km away
32. 2.363 km WNW of Happy Valley, AlaskaWed, Feb 28, 1:27 AM AKST · 3140 days ago · 110 km deep · 90 km away
33. 1.946 km WNW of Ninilchik, AlaskaWed, Feb 28, 4:34 AM AKST · 3140 days ago · 90 km deep · 78 km away
34. 1.931 km NNE of Fox River, AlaskaWed, Feb 28, 11:23 AM AKST · 3139 days ago · 54 km deep · 93 km away
35. 2.66 km NNW of Beluga, AlaskaWed, Feb 28, 5:51 PM AKST · 3139 days ago · 62 km deep · 57 km away
36. 1.8Southern AlaskaWed, Feb 28, 11:57 PM AKST · 3139 days ago · 115 km deep · 52 km away
37. 2.012 km WSW of Happy Valley, AlaskaThu, Mar 1, 12:37 AM AKST · 3139 days ago · 76 km deep · 99 km away
38. 2.138 km WNW of Tyonek, AlaskaThu, Mar 1, 10:43 AM AKST · 3138 days ago · 82 km deep · 47 km away
39. 2.444 km NW of Ninilchik, AlaskaThu, Mar 1, 11:58 AM AKST · 3138 days ago · 87 km deep · 60 km away
40. 1.531 km WNW of Nikiski, AlaskaThu, Mar 1, 3:21 PM AKST · 3138 days ago · 87 km deep · 5 km away
41. 2.324 km ESE of Funny River, AlaskaThu, Mar 1, 4:24 PM AKST · 3138 days ago · 39 km deep · 89 km away
42. 2.016 km ESE of Clam Gulch, AlaskaThu, Mar 1, 5:10 PM AKST · 3138 days ago · 45 km deep · 76 km away
43. 2.26 km W of Beluga, AlaskaThu, Mar 1, 5:33 PM AKST · 3138 days ago · 62 km deep · 51 km away
44. 2.025 km SSW of Susitna, AlaskaFri, Mar 2, 7:07 AM AKST · 3137 days ago · 49 km deep · 84 km away
45. 1.852 km WNW of Ninilchik, AlaskaFri, Mar 2, 8:11 AM AKST · 3137 days ago · 103 km deep · 72 km away
46. 1.518 km W of Anchorage, AlaskaFri, Mar 2, 11:00 AM AKST · 3137 days ago · 16 km deep · 98 km away
47. 1.669 km E of Port Alsworth, AlaskaFri, Mar 2, 6:12 PM AKST · 3137 days ago · 140 km deep · 88 km away
48. 3.120 km SE of Kasilof, AlaskaFri, Mar 2, 6:30 PM AKST · 3137 days ago · 60 km deep · 78 km away · felt by 2
49. 1.514 km S of Point Possession, AlaskaFri, Mar 2, 11:58 PM AKST · 3137 days ago · 53 km deep · 58 km away
50. 1.668 km WNW of Beluga, AlaskaSat, Mar 3, 2:15 AM AKST · 3137 days ago · 115 km deep · 72 km away
51. 1.660 km W of Ninilchik, AlaskaSat, Mar 3, 4:12 AM AKST · 3137 days ago · 97 km deep · 87 km away
52. 1.953 km NW of Ninilchik, AlaskaSat, Mar 3, 3:57 PM AKST · 3136 days ago · 97 km deep · 63 km away
53. 2.468 km W of Tyonek, AlaskaSat, Mar 3, 6:38 PM AKST · 3136 days ago · 112 km deep · 42 km away
54. 1.843 km WNW of Ninilchik, AlaskaSat, Mar 3, 9:57 PM AKST · 3136 days ago · 87 km deep · 81 km away
55. 2.023 km WSW of Point MacKenzie, AlaskaSun, Mar 4, 2:32 AM AKST · 3136 days ago · 45 km deep · 94 km away
56. 1.924 km SW of Tyonek, AlaskaSun, Mar 4, 5:32 AM AKST · 3136 days ago · 70 km deep · 23 km away
57. 1.844 km WNW of Clam Gulch, AlaskaSun, Mar 4, 5:57 AM AKST · 3135 days ago · 82 km deep · 46 km away
58. 3.1Southern AlaskaSun, Mar 4, 8:39 PM AKST · 3135 days ago · 96 km deep · 58 km away
59. 1.966 km W of Tyonek, AlaskaMon, Mar 5, 7:19 AM AKST · 3134 days ago · 111 km deep · 41 km away
60. 2.230 km WNW of Nikiski, AlaskaMon, Mar 5, 6:02 PM AKST · 3134 days ago · 77 km deep · 1 km away

The first 60 of at least 200.

Before

1. 2.211 km SW of Susitna, AlaskaTue, Feb 20, 10:32 PM AKST · 3147 days ago · 55 km deep · 97 km away
2. 2.227 km N of Beluga, AlaskaTue, Feb 20, 10:09 PM AKST · 3147 days ago · 61 km deep · 77 km away
3. 1.638 km WNW of Nikiski, AlaskaTue, Feb 20, 4:24 PM AKST · 3147 days ago · 85 km deep · 10 km away
4. 1.957 km WNW of Ninilchik, AlaskaTue, Feb 20, 2:53 PM AKST · 3147 days ago · 99 km deep · 80 km away
5. 1.667 km E of Port Alsworth, AlaskaTue, Feb 20, 2:20 PM AKST · 3147 days ago · 121 km deep · 98 km away
6. 1.63 km ENE of Happy Valley, AlaskaTue, Feb 20, 1:38 PM AKST · 3147 days ago · 74 km deep · 92 km away
7. 1.73 km NNW of Point Possession, AlaskaTue, Feb 20, 2:52 AM AKST · 3148 days ago · 49 km deep · 62 km away
8. 1.642 km WNW of Clam Gulch, AlaskaMon, Feb 19, 8:47 PM AKST · 3148 days ago · 90 km deep · 49 km away
9. 2.843 km NW of Beluga, AlaskaMon, Feb 19, 6:59 PM AKST · 3148 days ago · 81 km deep · 74 km away · felt by 1
10. 1.556 km W of Salamatof, AlaskaMon, Feb 19, 5:13 PM AKST · 3148 days ago · 91 km deep · 32 km away
11. 2.517 km ESE of Clam Gulch, AlaskaSun, Feb 18, 10:42 AM AKST · 3149 days ago · 61 km deep · 77 km away
12. 1.766 km E of Port Alsworth, AlaskaSun, Feb 18, 2:29 AM AKST · 3150 days ago · 123 km deep · 99 km away
13. 1.932 km W of Salamatof, AlaskaSat, Feb 17, 10:36 PM AKST · 3150 days ago · 75 km deep · 16 km away
14. 1.939 km W of Susitna, AlaskaSat, Feb 17, 4:02 PM AKST · 3150 days ago · 4 km deep · 91 km away
15. 2.173 km ENE of Port Alsworth, AlaskaSat, Feb 17, 3:11 PM AKST · 3150 days ago · 142 km deep · 81 km away
16. 1.628 km W of Nikiski, AlaskaSat, Feb 17, 1:02 PM AKST · 3150 days ago · 7 km deep · 9 km away
17. 1.654 km WNW of Ninilchik, AlaskaSat, Feb 17, 4:23 AM AKST · 3151 days ago · 98 km deep · 83 km away
18. 1.853 km ENE of Port Alsworth, AlaskaSat, Feb 17, 3:19 AM AKST · 3151 days ago · 162 km deep · 100 km away
19. 1.958 km WNW of Beluga, AlaskaFri, Feb 16, 2:01 PM AKST · 3151 days ago · 14 km deep · 65 km away
20. 1.614 km W of Tyonek, AlaskaFri, Feb 16, 12:01 PM AKST · 3151 days ago · 69 km deep · 39 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0182e64ll8 (also filed as ak18476198). Read Sun, Oct 4, 2026, 2:15 AM UTC.