M1.8 earthquake 55 km WNW of Nikiski, Alaska

Magnitude

1.8 (ml), micro

Local time

Thu, Sep 16, 2021, 9:10 PM AKDT

UTC

2021-09-17 05:10:49 UTC

Depth

90.2 km (56.0 mi), intermediate-depth

Epicenter

60.821° N, 152.265° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

36

• Nikiski, AlaskaPopulation 4,493. Forecast55 kmWNW
• Anchorage, AlaskaPopulation 289,600. Forecast135 kmWSW

After

1. 2.310 km SSW of Clam Gulch, AlaskaSat, Oct 16, 11:44 AM AKDT · 1803 days ago · 48 km deep · 85 km away
2. 1.53 km WNW of Happy Valley, AlaskaSat, Oct 16, 12:40 PM AKDT · 1803 days ago · 62 km deep · 99 km away
3. 1.612 km SW of Clam Gulch, AlaskaSat, Oct 16, 12:53 PM AKDT · 1803 days ago · 48 km deep · 85 km away
4. 1.7Southern AlaskaSun, Oct 17, 9:07 AM AKDT · 1802 days ago · 82 km deep · 58 km away · felt by 1
5. 1.634 km W of Salamatof, AlaskaSun, Oct 17, 11:14 AM AKDT · 1802 days ago · 80 km deep · 25 km away
6. 2.211 km NE of Ninilchik, AlaskaSun, Oct 17, 1:20 PM AKDT · 1802 days ago · 51 km deep · 86 km away
7. 1.87 km NNE of Sterling, AlaskaSun, Oct 17, 3:00 PM AKDT · 1802 days ago · 40 km deep · 88 km away · felt by 1
8. 1.811 km NE of Ninilchik, AlaskaMon, Oct 18, 2:40 AM AKDT · 1802 days ago · 46 km deep · 86 km away
9. 2.022 km ESE of Kasilof, AlaskaMon, Oct 18, 3:22 AM AKDT · 1802 days ago · 62 km deep · 96 km away
10. 1.866 km ENE of Pedro Bay, AlaskaMon, Oct 18, 8:13 AM AKDT · 1801 days ago · 102 km deep · 95 km away
11. 1.511 km SE of Point Possession, AlaskaMon, Oct 18, 11:13 AM AKDT · 1801 days ago · 42 km deep · 93 km away
12. 1.660 km SSW of Skwentna, AlaskaMon, Oct 18, 11:27 AM AKDT · 1801 days ago · 9 km deep · 80 km away
13. 1.611 km NE of Ninilchik, AlaskaMon, Oct 18, 11:48 AM AKDT · 1801 days ago · 46 km deep · 86 km away
14. 1.76 km NW of Ninilchik, AlaskaMon, Oct 18, 1:32 PM AKDT · 1801 days ago · 46 km deep · 86 km away
15. 1.962 km WNW of Ninilchik, AlaskaTue, Oct 19, 12:21 AM AKDT · 1801 days ago · 110 km deep · 74 km away
16. 2.269 km WNW of Happy Valley, AlaskaTue, Oct 19, 5:07 AM AKDT · 1801 days ago · 105 km deep · 88 km away
17. 1.859 km NW of Beluga, AlaskaTue, Oct 19, 6:17 AM AKDT · 1801 days ago · 9 km deep · 76 km away
18. 1.514 km SW of Salamatof, AlaskaTue, Oct 19, 11:37 AM AKDT · 1800 days ago · 66 km deep · 50 km away
19. 1.812 km NE of Ninilchik, AlaskaTue, Oct 19, 1:49 PM AKDT · 1800 days ago · 47 km deep · 86 km away
20. 2.260 km WNW of Ninilchik, AlaskaTue, Oct 19, 4:38 PM AKDT · 1800 days ago · 109 km deep · 65 km away
21. 1.557 km NW of Beluga, AlaskaTue, Oct 19, 5:44 PM AKDT · 1800 days ago · 7 km deep · 77 km away
22. 2.161 km WNW of Happy Valley, AlaskaTue, Oct 19, 9:59 PM AKDT · 1800 days ago · 93 km deep · 89 km away
23. 1.886 km W of Salamatof, AlaskaTue, Oct 19, 10:34 PM AKDT · 1800 days ago · 124 km deep · 41 km away
24. 1.664 km W of Tyonek, AlaskaTue, Oct 19, 11:01 PM AKDT · 1800 days ago · 112 km deep · 28 km away
25. 1.844 km NW of Ninilchik, AlaskaWed, Oct 20, 5:19 AM AKDT · 1800 days ago · 96 km deep · 53 km away
26. 1.8Southern AlaskaWed, Oct 20, 10:31 AM AKDT · 1799 days ago · 112 km deep · 91 km away
27. 1.749 km NW of Beluga, AlaskaWed, Oct 20, 1:57 PM AKDT · 1799 days ago · 85 km deep · 79 km away
28. 1.769 km E of Port Alsworth, AlaskaWed, Oct 20, 4:10 PM AKDT · 1799 days ago · 118 km deep · 87 km away
29. 1.560 km WNW of Beluga, AlaskaWed, Oct 20, 9:03 PM AKDT · 1799 days ago · 10 km deep · 66 km away
30. 1.629 km WSW of Salamatof, AlaskaWed, Oct 20, 9:19 PM AKDT · 1799 days ago · 71 km deep · 39 km away
31. 1.718 km WNW of Clam Gulch, AlaskaWed, Oct 20, 11:08 PM AKDT · 1799 days ago · 63 km deep · 69 km away
32. 1.534 km W of Tyonek, AlaskaThu, Oct 21, 1:45 AM AKDT · 1799 days ago · 76 km deep · 41 km away
33. 1.620 km WNW of Beluga, AlaskaThu, Oct 21, 4:20 AM AKDT · 1799 days ago · 68 km deep · 66 km away
34. 1.744 km WNW of Tyonek, AlaskaThu, Oct 21, 9:50 AM AKDT · 1798 days ago · 92 km deep · 48 km away
35. 2.017 km E of Ninilchik, AlaskaThu, Oct 21, 12:28 PM AKDT · 1798 days ago · 52 km deep · 97 km away
36. 1.663 km WNW of Tyonek, AlaskaThu, Oct 21, 4:50 PM AKDT · 1798 days ago · 119 km deep · 50 km away
37. 2.432 km NW of Beluga, AlaskaThu, Oct 21, 5:58 PM AKDT · 1798 days ago · 72 km deep · 73 km away
38. 2.07 km W of Funny River, AlaskaThu, Oct 21, 6:04 PM AKDT · 1798 days ago · 14 km deep · 83 km away
39. 2.359 km W of Salamatof, AlaskaFri, Oct 22, 2:04 AM AKDT · 1798 days ago · 95 km deep · 34 km away
40. 1.869 km ENE of Pedro Bay, AlaskaFri, Oct 22, 3:31 AM AKDT · 1798 days ago · 122 km deep · 94 km away
41. 1.628 km NW of Nikiski, AlaskaFri, Oct 22, 3:59 AM AKDT · 1798 days ago · 75 km deep · 36 km away
42. 1.520 km SSE of Point Possession, AlaskaFri, Oct 22, 7:34 AM AKDT · 1798 days ago · 13 km deep · 95 km away
43. 1.745 km WNW of Happy Valley, AlaskaFri, Oct 22, 3:46 PM AKDT · 1797 days ago · 95 km deep · 80 km away
44. 1.743 km NW of Ninilchik, AlaskaFri, Oct 22, 4:48 PM AKDT · 1797 days ago · 94 km deep · 57 km away
45. 1.745 km W of Kalifornsky, AlaskaFri, Oct 22, 5:42 PM AKDT · 1797 days ago · 88 km deep · 40 km away
46. 1.725 km WNW of Happy Valley, AlaskaSat, Oct 23, 12:41 AM AKDT · 1797 days ago · 75 km deep · 90 km away
47. 1.659 km WNW of Beluga, AlaskaSat, Oct 23, 3:04 AM AKDT · 1797 days ago · 104 km deep · 67 km away · felt by 1
48. 1.762 km WNW of Happy Valley, AlaskaSat, Oct 23, 4:39 AM AKDT · 1797 days ago · 103 km deep · 89 km away
49. 1.558 km W of Tyonek, AlaskaSat, Oct 23, 2:52 PM AKDT · 1796 days ago · 102 km deep · 25 km away
50. 1.77 km N of Ninilchik, AlaskaSat, Oct 23, 8:59 PM AKDT · 1796 days ago · 70 km deep · 84 km away
51. 1.860 km WNW of Ninilchik, AlaskaSun, Oct 24, 1:20 AM AKDT · 1796 days ago · 109 km deep · 65 km away
52. 1.843 km WNW of Ninilchik, AlaskaSun, Oct 24, 3:36 AM AKDT · 1796 days ago · 94 km deep · 69 km away
53. 1.573 km E of Port Alsworth, AlaskaSun, Oct 24, 4:05 PM AKDT · 1795 days ago · 123 km deep · 83 km away
54. 1.655 km E of Port Alsworth, AlaskaSun, Oct 24, 6:53 PM AKDT · 1795 days ago · 142 km deep · 93 km away
55. 1.666 km ENE of Pedro Bay, AlaskaMon, Oct 25, 7:04 AM AKDT · 1795 days ago · 124 km deep · 92 km away
56. 1.552 km WNW of Ninilchik, AlaskaMon, Oct 25, 9:06 AM AKDT · 1794 days ago · 94 km deep · 72 km away
57. 1.527 km NNW of Beluga, AlaskaMon, Oct 25, 11:10 AM AKDT · 1794 days ago · 61 km deep · 85 km away
58. 1.567 km WNW of Nikiski, AlaskaMon, Oct 25, 7:51 PM AKDT · 1794 days ago · 112 km deep · 15 km away
59. 1.867 km W of Happy Valley, AlaskaTue, Oct 26, 3:32 AM AKDT · 1794 days ago · 88 km deep · 91 km away
60. 1.750 km W of Happy Valley, AlaskaTue, Oct 26, 4:21 AM AKDT · 1794 days ago · 94 km deep · 94 km away

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event ak021by2rnf3. Read Thu, Sep 24, 2026, 3:11 AM UTC.