M1.8 earthquake 17 km W of Ninilchik, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Wed, Apr 20, 2016, 4:29 PM AKDT

UTC

2016-04-21 00:29:39 UTC

Depth

73.8 km (45.9 mi), intermediate-depth

Epicenter

60.051° N, 151.981° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

31

• Ninilchik, AlaskaPopulation 883. Forecast17 kmW
• Anchorage, AlaskaPopulation 289,600. Forecast172 kmSW

After

1. 2.176 km WNW of Ninilchik, AlaskaWed, Apr 20, 9:30 PM AKDT · 3819 days ago · 126 km deep · 63 km away
2. 1.673 km W of Nikiski, AlaskaThu, Apr 21, 3:26 AM AKDT · 3819 days ago · 115 km deep · 88 km away
3. 2.250 km E of Pedro Bay, AlaskaThu, Apr 21, 5:00 AM AKDT · 3819 days ago · 109 km deep · 79 km away
4. 2.220 km SSW of Nanwalek, AlaskaThu, Apr 21, 5:19 AM AKDT · 3819 days ago · 56 km deep · 96 km away
5. 2.551 km E of Pedro Bay, AlaskaThu, Apr 21, 7:39 AM AKDT · 3819 days ago · 103 km deep · 78 km away
6. 1.554 km E of Port Alsworth, AlaskaThu, Apr 21, 9:07 AM AKDT · 3819 days ago · 131 km deep · 76 km away
7. 1.745 km ESE of Pedro Bay, AlaskaThu, Apr 21, 10:58 AM AKDT · 3819 days ago · 112 km deep · 89 km away
8. 1.750 km E of Port Alsworth, AlaskaThu, Apr 21, 10:00 PM AKDT · 3818 days ago · 148 km deep · 81 km away
9. 1.933 km E of Pedro Bay, AlaskaThu, Apr 21, 11:58 PM AKDT · 3818 days ago · 123 km deep · 92 km away · felt by 1
10. 1.547 km W of Nanwalek, AlaskaFri, Apr 22, 2:35 AM AKDT · 3818 days ago · 78 km deep · 90 km away
11. 1.651 km ESE of Pedro Bay, AlaskaFri, Apr 22, 4:05 AM AKDT · 3818 days ago · 103 km deep · 82 km away
12. 1.954 km E of Pedro Bay, AlaskaFri, Apr 22, 4:53 AM AKDT · 3818 days ago · 102 km deep · 72 km away
13. 2.565 km WNW of Happy Valley, AlaskaFri, Apr 22, 5:47 AM AKDT · 3818 days ago · 111 km deep · 49 km away
14. 1.537 km ENE of Pedro Bay, AlaskaFri, Apr 22, 8:02 AM AKDT · 3818 days ago · 133 km deep · 85 km away
15. 1.664 km WNW of Nanwalek, AlaskaFri, Apr 22, 8:36 AM AKDT · 3818 days ago · 90 km deep · 77 km away
16. 2.05 km N of Diamond Ridge, AlaskaFri, Apr 22, 11:27 AM AKDT · 3818 days ago · 59 km deep · 43 km away
17. 1.645 km ESE of Pedro Bay, AlaskaFri, Apr 22, 12:35 PM AKDT · 3818 days ago · 117 km deep · 86 km away
18. 1.641 km WNW of Ninilchik, AlaskaFri, Apr 22, 2:32 PM AKDT · 3817 days ago · 92 km deep · 26 km away
19. 2.539 km NE of Pedro Bay, AlaskaFri, Apr 22, 5:06 PM AKDT · 3817 days ago · 148 km deep · 86 km away
20. 1.850 km E of Pedro Bay, AlaskaFri, Apr 22, 5:43 PM AKDT · 3817 days ago · 108 km deep · 78 km away
21. 1.63 km N of Ridgeway, AlaskaFri, Apr 22, 8:17 PM AKDT · 3817 days ago · 56 km deep · 75 km away
22. 1.560 km E of Pedro Bay, AlaskaFri, Apr 22, 8:52 PM AKDT · 3817 days ago · 107 km deep · 66 km away
23. 1.646 km NW of Ninilchik, AlaskaFri, Apr 22, 11:42 PM AKDT · 3817 days ago · 89 km deep · 35 km away
24. 1.945 km WSW of Anchor Point, AlaskaSat, Apr 23, 5:02 AM AKDT · 3817 days ago · 80 km deep · 59 km away
25. 2.446 km E of Pedro Bay, AlaskaSat, Apr 23, 7:39 AM AKDT · 3817 days ago · 131 km deep · 77 km away
26. 1.559 km ESE of Pedro Bay, AlaskaSat, Apr 23, 6:47 PM AKDT · 3816 days ago · 105 km deep · 74 km away
27. 1.931 km NNE of Fox River, AlaskaSat, Apr 23, 9:35 PM AKDT · 3816 days ago · 43 km deep · 72 km away
28. 1.863 km W of Nanwalek, AlaskaSat, Apr 23, 10:02 PM AKDT · 3816 days ago · 95 km deep · 97 km away
29. 2.213 km E of Nikiski, AlaskaSun, Apr 24, 12:18 AM AKDT · 3816 days ago · 61 km deep · 89 km away
30. 2.555 km W of Anchor Point, AlaskaSun, Apr 24, 1:26 AM AKDT · 3816 days ago · 92 km deep · 58 km away
31. 1.564 km WNW of Nanwalek, AlaskaSun, Apr 24, 7:53 AM AKDT · 3816 days ago · 89 km deep · 77 km away
32. 1.968 km W of Happy Valley, AlaskaSun, Apr 24, 10:05 AM AKDT · 3816 days ago · 117 km deep · 53 km away
33. 1.763 km E of Pedro Bay, AlaskaSun, Apr 24, 2:04 PM AKDT · 3816 days ago · 96 km deep · 59 km away
34. 1.852 km E of Port Alsworth, AlaskaSun, Apr 24, 5:26 PM AKDT · 3815 days ago · 139 km deep · 79 km away
35. 1.658 km E of Pedro Bay, AlaskaSun, Apr 24, 9:33 PM AKDT · 3815 days ago · 103 km deep · 66 km away
36. 2.2Southern AlaskaSun, Apr 24, 9:46 PM AKDT · 3815 days ago · 99 km deep · 66 km away
37. 3.515 km WNW of Fox River, AlaskaSun, Apr 24, 10:24 PM AKDT · 3815 days ago · 44 km deep · 45 km away · felt by 7
38. 1.938 km ENE of Pedro Bay, AlaskaMon, Apr 25, 4:37 AM AKDT · 3815 days ago · 124 km deep · 86 km away
39. 1.832 km WNW of Anchor Point, AlaskaMon, Apr 25, 6:34 AM AKDT · 3815 days ago · 73 km deep · 33 km away
40. 1.614 km W of Anchor Point, AlaskaMon, Apr 25, 10:40 AM AKDT · 3815 days ago · 69 km deep · 34 km away
41. 1.762 km E of Pedro Bay, AlaskaMon, Apr 25, 10:54 AM AKDT · 3815 days ago · 103 km deep · 61 km away
42. 1.615 km ESE of Ninilchik, AlaskaMon, Apr 25, 1:01 PM AKDT · 3815 days ago · 54 km deep · 32 km away
43. 2.153 km E of Pedro Bay, AlaskaMon, Apr 25, 1:19 PM AKDT · 3815 days ago · 110 km deep · 75 km away
44. 2.21 km ENE of Soldotna, AlaskaMon, Apr 25, 2:05 PM AKDT · 3815 days ago · 49 km deep · 72 km away
45. 1.78 km W of Salamatof, AlaskaMon, Apr 25, 5:21 PM AKDT · 3814 days ago · 61 km deep · 70 km away
46. 2.253 km E of Pedro Bay, AlaskaMon, Apr 25, 6:06 PM AKDT · 3814 days ago · 110 km deep · 76 km away
47. 2.115 km W of Anchor Point, AlaskaMon, Apr 25, 6:44 PM AKDT · 3814 days ago · 63 km deep · 34 km away
48. 1.842 km WNW of Anchor Point, AlaskaMon, Apr 25, 9:07 PM AKDT · 3814 days ago · 85 km deep · 37 km away
49. 1.847 km WNW of Nikiski, AlaskaTue, Apr 26, 1:36 AM AKDT · 3814 days ago · 99 km deep · 81 km away
50. 2.444 km ENE of Pedro Bay, AlaskaTue, Apr 26, 3:08 AM AKDT · 3814 days ago · 152 km deep · 79 km away
51. 2.058 km WNW of Happy Valley, AlaskaTue, Apr 26, 4:34 AM AKDT · 3814 days ago · 103 km deep · 42 km away
52. 1.66 km NNE of Clam Gulch, AlaskaTue, Apr 26, 5:39 AM AKDT · 3814 days ago · 49 km deep · 43 km away
53. 2.523 km W of Anchor Point, AlaskaTue, Apr 26, 5:43 AM AKDT · 3814 days ago · 66 km deep · 36 km away
54. 2.364 km WNW of Anchor Point, AlaskaTue, Apr 26, 6:07 AM AKDT · 3814 days ago · 103 km deep · 55 km away
55. 1.653 km E of Pedro Bay, AlaskaTue, Apr 26, 7:05 AM AKDT · 3814 days ago · 111 km deep · 77 km away
56. 2.450 km E of Pedro Bay, AlaskaTue, Apr 26, 12:42 PM AKDT · 3814 days ago · 116 km deep · 72 km away · felt by 2
57. 1.854 km E of Pedro Bay, AlaskaTue, Apr 26, 2:14 PM AKDT · 3813 days ago · 102 km deep · 73 km away
58. 1.861 km WNW of Anchor Point, AlaskaTue, Apr 26, 7:22 PM AKDT · 3813 days ago · 89 km deep · 48 km away
59. 1.514 km ENE of Nikiski, AlaskaTue, Apr 26, 8:34 PM AKDT · 3813 days ago · 53 km deep · 92 km away
60. 1.844 km ENE of Pedro Bay, AlaskaTue, Apr 26, 8:56 PM AKDT · 3813 days ago · 138 km deep · 81 km away

The first 60 of at least 200.

Before

1. 3.057 km E of Pedro Bay, AlaskaWed, Apr 20, 2:17 PM AKDT · 3819 days ago · 99 km deep · 68 km away
2. 2.850 km ESE of Pedro Bay, AlaskaWed, Apr 20, 2:12 PM AKDT · 3820 days ago · 114 km deep · 83 km away
3. 1.856 km ENE of Pedro Bay, AlaskaWed, Apr 20, 1:50 PM AKDT · 3820 days ago · 122 km deep · 66 km away
4. 1.742 km WNW of Nanwalek, AlaskaWed, Apr 20, 9:34 AM AKDT · 3820 days ago · 71 km deep · 69 km away
5. 2.15 km ESE of Sterling, AlaskaWed, Apr 20, 7:13 AM AKDT · 3820 days ago · 43 km deep · 89 km away · felt by 1
6. 1.860 km E of Pedro Bay, AlaskaWed, Apr 20, 4:48 AM AKDT · 3820 days ago · 103 km deep · 66 km away
7. 1.957 km E of Pedro Bay, AlaskaWed, Apr 20, 1:52 AM AKDT · 3820 days ago · 99 km deep · 68 km away
8. 2.032 km W of Anchor Point, AlaskaWed, Apr 20, 1:36 AM AKDT · 3820 days ago · 72 km deep · 35 km away
9. 1.53 km N of Anchor Point, AlaskaWed, Apr 20, 1:17 AM AKDT · 3820 days ago · 64 km deep · 28 km away
10. 2.027 km WNW of Salamatof, AlaskaTue, Apr 19, 7:23 PM AKDT · 3820 days ago · 93 km deep · 71 km away
11. 1.640 km W of Salamatof, AlaskaTue, Apr 19, 6:46 PM AKDT · 3820 days ago · 76 km deep · 57 km away
12. 3.961 km ENE of Pedro Bay, AlaskaTue, Apr 19, 5:29 PM AKDT · 3820 days ago · 111 km deep · 60 km away · tsunami flag
13. 3.556 km E of Pedro Bay, AlaskaTue, Apr 19, 5:13 PM AKDT · 3820 days ago · 102 km deep · 69 km away
14. 3.552 km E of Pedro Bay, AlaskaTue, Apr 19, 12:06 PM AKDT · 3821 days ago · 106 km deep · 77 km away
15. 1.563 km W of Anchor Point, AlaskaTue, Apr 19, 10:38 AM AKDT · 3821 days ago · 106 km deep · 61 km away
16. 1.759 km E of Pedro Bay, AlaskaTue, Apr 19, 7:41 AM AKDT · 3821 days ago · 100 km deep · 65 km away
17. 1.55 km N of Sterling, AlaskaTue, Apr 19, 6:49 AM AKDT · 3821 days ago · 17 km deep · 89 km away
18. 1.544 km ESE of Pedro Bay, AlaskaMon, Apr 18, 5:28 PM AKDT · 3821 days ago · 110 km deep · 88 km away
19. 1.620 km WNW of Happy Valley, AlaskaMon, Apr 18, 3:15 PM AKDT · 3821 days ago · 69 km deep · 6 km away
20. 1.645 km E of Port Alsworth, AlaskaMon, Apr 18, 2:43 PM AKDT · 3821 days ago · 160 km deep · 85 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak016558d65k (also filed as ak13488749). Read Mon, Oct 5, 2026, 9:41 AM UTC.