M1.5 earthquake 29 km WNW of Nikiski, Alaska

Magnitude

1.5 (ml), micro

Local time

Fri, Apr 23, 2021, 2:16 AM AKDT

UTC

2021-04-23 10:16:10 UTC

Depth

80.6 km (50.1 mi), intermediate-depth

Epicenter

60.836° N, 151.746° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

39

• Nikiski, AlaskaPopulation 4,493. Forecast30 kmWNW
• Anchorage, AlaskaPopulation 289,600. Forecast108 kmWSW

After

1. 1.827 km SW of Tyonek, AlaskaFri, Apr 23, 3:37 AM AKDT · 1982 days ago · 71 km deep · 15 km away
2. 1.823 km NNW of Nikiski, AlaskaFri, Apr 23, 3:37 AM AKDT · 1982 days ago · 49 km deep · 15 km away
3. 1.818 km SSE of Clam Gulch, AlaskaFri, Apr 23, 5:38 AM AKDT · 1982 days ago · 57 km deep · 88 km away
4. 1.640 km NW of Beluga, AlaskaFri, Apr 23, 3:54 PM AKDT · 1982 days ago · 79 km deep · 66 km away
5. 1.544 km WNW of Nikiski, AlaskaSat, Apr 24, 5:17 AM AKDT · 1981 days ago · 83 km deep · 20 km away
6. 1.920 km WSW of Point MacKenzie, AlaskaSat, Apr 24, 8:05 AM AKDT · 1981 days ago · 48 km deep · 91 km away
7. 1.536 km NW of Nikiski, AlaskaSat, Apr 24, 10:34 PM AKDT · 1980 days ago · 87 km deep · 7 km away
8. 2.143 km WNW of Clam Gulch, AlaskaSun, Apr 25, 9:06 AM AKDT · 1980 days ago · 86 km deep · 52 km away
9. 1.965 km W of Tyonek, AlaskaSun, Apr 25, 6:39 PM AKDT · 1980 days ago · 113 km deep · 39 km away
10. 1.541 km NW of Ninilchik, AlaskaSun, Apr 25, 9:44 PM AKDT · 1979 days ago · 89 km deep · 66 km away
11. 1.727 km NW of Beluga, AlaskaSun, Apr 25, 10:51 PM AKDT · 1979 days ago · 74 km deep · 58 km away
12. 2.542 km NW of Ninilchik, AlaskaMon, Apr 26, 3:02 AM AKDT · 1979 days ago · 77 km deep · 62 km away
13. 1.973 km WNW of Ninilchik, AlaskaMon, Apr 26, 3:04 AM AKDT · 1979 days ago · 131 km deep · 96 km away
14. 2.021 km WNW of Ninilchik, AlaskaMon, Apr 26, 9:50 AM AKDT · 1979 days ago · 65 km deep · 81 km away
15. 1.559 km W of Tyonek, AlaskaMon, Apr 26, 1:55 PM AKDT · 1979 days ago · 106 km deep · 43 km away
16. 2.118 km ESE of Clam Gulch, AlaskaTue, Apr 27, 2:09 AM AKDT · 1978 days ago · 51 km deep · 81 km away
17. 1.519 km WNW of Salamatof, AlaskaTue, Apr 27, 2:27 AM AKDT · 1978 days ago · 72 km deep · 20 km away
18. 1.577 km W of Tyonek, AlaskaTue, Apr 27, 3:59 AM AKDT · 1978 days ago · 127 km deep · 57 km away
19. 2.054 km WNW of Ninilchik, AlaskaTue, Apr 27, 3:53 PM AKDT · 1978 days ago · 90 km deep · 75 km away
20. 1.813 km ESE of Tyonek, AlaskaTue, Apr 27, 10:29 PM AKDT · 1977 days ago · 20 km deep · 51 km away
21. 2.124 km WNW of Beluga, AlaskaWed, Apr 28, 5:02 AM AKDT · 1977 days ago · 74 km deep · 43 km away
22. 2.0Kenai Peninsula, AlaskaWed, Apr 28, 6:46 AM AKDT · 1977 days ago · 81 km deep · 13 km away
23. 1.555 km WNW of Nikiski, AlaskaWed, Apr 28, 8:49 AM AKDT · 1977 days ago · 107 km deep · 27 km away
24. 1.857 km W of Salamatof, AlaskaWed, Apr 28, 4:48 PM AKDT · 1977 days ago · 98 km deep · 41 km away
25. 1.855 km WNW of Happy Valley, AlaskaThu, Apr 29, 2:14 AM AKDT · 1976 days ago · 109 km deep · 99 km away
26. 1.627 km WNW of Cohoe, AlaskaThu, Apr 29, 9:21 AM AKDT · 1976 days ago · 75 km deep · 46 km away
27. 1.720 km WNW of Salamatof, AlaskaSat, May 1, 11:50 PM AKDT · 1973 days ago · 76 km deep · 20 km away
28. 1.737 km NW of Beluga, AlaskaSun, May 2, 4:29 AM AKDT · 1973 days ago · 73 km deep · 60 km away
29. 1.746 km NW of Ninilchik, AlaskaSun, May 2, 7:00 PM AKDT · 1973 days ago · 86 km deep · 65 km away
30. 2.123 km W of Point MacKenzie, AlaskaSun, May 2, 8:26 PM AKDT · 1973 days ago · 41 km deep · 91 km away
31. 1.56 km W of Ninilchik, AlaskaMon, May 3, 3:00 AM AKDT · 1972 days ago · 67 km deep · 87 km away
32. 2.419 km WNW of Happy Valley, AlaskaMon, May 3, 6:58 PM AKDT · 1972 days ago · 68 km deep · 89 km away
33. 1.558 km WNW of Beluga, AlaskaMon, May 3, 10:50 PM AKDT · 1971 days ago · 105 km deep · 63 km away
34. 1.782 km W of Salamatof, AlaskaMon, May 3, 10:58 PM AKDT · 1971 days ago · 113 km deep · 67 km away
35. 1.820 km WNW of Salamatof, AlaskaTue, May 4, 2:22 AM AKDT · 1971 days ago · 79 km deep · 20 km away
36. 1.521 km SSE of Clam Gulch, AlaskaTue, May 4, 2:36 AM AKDT · 1971 days ago · 59 km deep · 91 km away
37. 2.168 km W of Tyonek, AlaskaTue, May 4, 9:27 AM AKDT · 1971 days ago · 111 km deep · 42 km away
38. 3.62 km WNW of Ninilchik, AlaskaTue, May 4, 4:23 PM AKDT · 1971 days ago · 47 km deep · 87 km away · felt by 10
39. 2.625 km WNW of Susitna, AlaskaTue, May 4, 5:30 PM AKDT · 1971 days ago · 60 km deep · 100 km away · felt by 1
40. 1.718 km ESE of Beluga, AlaskaWed, May 5, 6:22 AM AKDT · 1970 days ago · 0 km deep · 61 km away
41. 2.74 km SSW of Susitna, AlaskaWed, May 5, 3:49 PM AKDT · 1970 days ago · 51 km deep · 99 km away
42. 1.62 km WSW of Happy Valley, AlaskaThu, May 6, 5:15 AM AKDT · 1969 days ago · 68 km deep · 100 km away
43. 1.554 km WNW of Ninilchik, AlaskaThu, May 6, 8:48 PM AKDT · 1969 days ago · 91 km deep · 77 km away
44. 1.629 km NW of Nikiski, AlaskaThu, May 6, 9:56 PM AKDT · 1968 days ago · 78 km deep · 10 km away
45. 2.013 km WNW of Salamatof, AlaskaThu, May 6, 11:37 PM AKDT · 1968 days ago · 53 km deep · 21 km away
46. 1.623 km ESE of Point Possession, AlaskaFri, May 7, 2:55 AM AKDT · 1968 days ago · 36 km deep · 80 km away
47. 2.59 km SSE of Kasilof, AlaskaFri, May 7, 8:41 PM AKDT · 1968 days ago · 34 km deep · 71 km away
48. 1.634 km SSW of Skwentna, AlaskaFri, May 7, 9:28 PM AKDT · 1967 days ago · 89 km deep · 98 km away
49. 3.47 km ESE of Kasilof, AlaskaSat, May 8, 11:49 AM AKDT · 1967 days ago · 43 km deep · 66 km away · felt by 2
50. 1.511 km S of Clam Gulch, AlaskaSat, May 8, 12:12 PM AKDT · 1967 days ago · 36 km deep · 80 km away
51. 1.913 km ESE of Clam Gulch, AlaskaSat, May 8, 7:59 PM AKDT · 1967 days ago · 35 km deep · 80 km away
52. 1.539 km WSW of Tyonek, AlaskaSat, May 8, 9:14 PM AKDT · 1966 days ago · 77 km deep · 19 km away
53. 1.751 km WNW of Happy Valley, AlaskaSun, May 9, 5:11 AM AKDT · 1966 days ago · 99 km deep · 96 km away
54. 1.664 km W of Nikiski, AlaskaSun, May 9, 1:09 PM AKDT · 1966 days ago · 128 km deep · 39 km away
55. 1.649 km WNW of Nikiski, AlaskaSun, May 9, 4:13 PM AKDT · 1966 days ago · 102 km deep · 23 km away
56. 1.628 km WSW of Susitna, AlaskaSun, May 9, 10:34 PM AKDT · 1965 days ago · 63 km deep · 82 km away
57. 1.961 km WNW of Beluga, AlaskaMon, May 10, 1:55 AM AKDT · 1965 days ago · 108 km deep · 56 km away
58. 1.523 km NW of Nikiski, AlaskaMon, May 10, 1:05 PM AKDT · 1965 days ago · 79 km deep · 8 km away
59. 1.652 km WNW of Salamatof, AlaskaTue, May 11, 2:32 AM AKDT · 1964 days ago · 89 km deep · 32 km away
60. 1.583 km W of Nikiski, AlaskaTue, May 11, 4:13 AM AKDT · 1964 days ago · 152 km deep · 57 km away

The first 60 of at least 199.

Before

1. 1.81 km S of Soldotna, AlaskaThu, Apr 22, 7:19 PM AKDT · 1983 days ago · 55 km deep · 55 km away
2. 1.947 km NW of Ninilchik, AlaskaThu, Apr 22, 5:46 PM AKDT · 1983 days ago · 82 km deep · 57 km away
3. 2.612 km ENE of Point Possession, AlaskaThu, Apr 22, 10:03 AM AKDT · 1983 days ago · 51 km deep · 70 km away · felt by 1
4. 1.838 km S of Skwentna, AlaskaThu, Apr 22, 1:55 AM AKDT · 1983 days ago · 1 km deep · 93 km away · felt by 1
5. 2.220 km ENE of Point Possession, AlaskaWed, Apr 21, 7:11 PM AKDT · 1984 days ago · 56 km deep · 79 km away · felt by 1
6. 1.659 km WNW of Happy Valley, AlaskaWed, Apr 21, 6:56 PM AKDT · 1984 days ago · 105 km deep · 95 km away
7. 2.78 km SW of Clam Gulch, AlaskaWed, Apr 21, 4:45 PM AKDT · 1984 days ago · 62 km deep · 74 km away
8. 1.566 km WNW of Ninilchik, AlaskaWed, Apr 21, 4:17 PM AKDT · 1984 days ago · 116 km deep · 83 km away
9. 2.32 km NW of Ridgeway, AlaskaWed, Apr 21, 1:49 PM AKDT · 1984 days ago · 46 km deep · 47 km away
10. 1.58 km SE of Soldotna, AlaskaWed, Apr 21, 1:13 PM AKDT · 1984 days ago · 55 km deep · 62 km away
11. 1.568 km W of Tyonek, AlaskaWed, Apr 21, 11:16 AM AKDT · 1984 days ago · 113 km deep · 42 km away
12. 1.659 km WNW of Ninilchik, AlaskaTue, Apr 20, 3:03 PM AKDT · 1985 days ago · 93 km deep · 75 km away
13. 1.57 km SE of Point Possession, AlaskaTue, Apr 20, 11:45 AM AKDT · 1985 days ago · 55 km deep · 63 km away
14. 2.459 km WNW of Ninilchik, AlaskaTue, Apr 20, 4:44 AM AKDT · 1985 days ago · 95 km deep · 86 km away
15. 2.7Kenai Peninsula, AlaskaMon, Apr 19, 11:55 PM AKDT · 1985 days ago · 64 km deep · 74 km away
16. 2.639 km W of Kalifornsky, AlaskaMon, Apr 19, 6:30 PM AKDT · 1986 days ago · 86 km deep · 45 km away
17. 1.569 km WNW of Happy Valley, AlaskaMon, Apr 19, 7:36 AM AKDT · 1986 days ago · 105 km deep · 98 km away
18. 1.669 km W of Salamatof, AlaskaMon, Apr 19, 1:13 AM AKDT · 1986 days ago · 96 km deep · 58 km away
19. 1.738 km W of Susitna, AlaskaMon, Apr 19, 12:58 AM AKDT · 1986 days ago · 7 km deep · 90 km away
20. 1.525 km WNW of Ninilchik, AlaskaSun, Apr 18, 11:30 PM AKDT · 1986 days ago · 78 km deep · 79 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021571s05a. Read Sat, Sep 26, 2026, 4:18 PM UTC.