Alaska earthquakes

M1.5 earthquake 24 km W of Nikiski, Alaska

A magnitude 1.5 earthquake struck 24 km W of Nikiski, Alaska on Mon, May 31, 2021, 12:48 PM AKDT (20:48 UTC), 82 km (51 mi) below the surface.

A larger quake followed: M4.3 21 km NNW of Ninilchik, Alaska. This one was a foreshock.

Nikiski forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (ml), micro
Local time
UTC
2021-05-31 20:48:16 UTC
Depth
81.8 km (50.8 mi), intermediate-depth
Epicenter
60.723° N, 151.724° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
36

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 100 in the 30 days before it.

After

  1. 1.81 km SW of Point Possession, Alaska · 1944 days ago · 37 km deep · 59 km away
  2. 1.64 km SW of Happy Valley, Alaska · 1943 days ago · 48 km deep · 90 km away
  3. 1.666 km WNW of Ninilchik, Alaska · 1943 days ago · 99 km deep · 83 km away
  4. 1.649 km NW of Ninilchik, Alaska · 1943 days ago · 89 km deep · 56 km away
  5. 1.721 km NW of Clam Gulch, Alaska · 1943 days ago · 71 km deep · 42 km away
  6. 1.631 km NNE of Fox River, Alaska · 1942 days ago · 39 km deep · 85 km away
  7. 1.846 km W of Tyonek, Alaska · 1942 days ago · 92 km deep · 37 km away
  8. 1.517 km ESE of Clam Gulch, Alaska · 1942 days ago · 45 km deep · 70 km away
  9. 1.567 km WNW of Tyonek, Alaska · 1942 days ago · 5 km deep · 71 km away
  10. 2.572 km WNW of Happy Valley, Alaska · 1941 days ago · 120 km deep · 95 km away
  11. 1.862 km WNW of Nikiski, Alaska · 1941 days ago · 101 km deep · 41 km away
  12. 2.218 km ENE of Nikiski, Alaska · 1941 days ago · 35 km deep · 42 km away
  13. 1.848 km WNW of Ninilchik, Alaska · 1941 days ago · 104 km deep · 65 km away
  14. 2.238 km W of Susitna, Alaska · 1940 days ago · 51 km deep · 90 km away
  15. 2.449 km NW of Beluga, Alaska · 1940 days ago · 72 km deep · 81 km away
  16. 1.943 km W of Salamatof, Alaska · 1940 days ago · 86 km deep · 23 km away
  17. 1.54 km SW of Tyonek, Alaska · 1940 days ago · 60 km deep · 45 km away
  18. 2.171 km E of Port Alsworth, Alaska · 1939 days ago · 130 km deep · 90 km away
  19. 2.624 km ENE of Sterling, Alaska · 1939 days ago · 46 km deep · 73 km away
  20. 2.272 km ENE of Pedro Bay, Alaska · 1939 days ago · 127 km deep · 96 km away
  21. 1.971 km ENE of Pedro Bay, Alaska · 1939 days ago · 120 km deep · 97 km away
  22. 1.622 km SW of Tyonek, Alaska · 1939 days ago · 58 km deep · 28 km away
  23. 1.838 km WNW of Anchor Point, Alaska · 1938 days ago · 75 km deep · 99 km away
  24. 2.257 km ENE of Port Alsworth, Alaska · 1938 days ago · 151 km deep · 97 km away
  25. 2.384 km WNW of Nikiski, Alaska · 1937 days ago · 151 km deep · 60 km away
  26. 1.717 km SE of Clam Gulch, Alaska · 1936 days ago · 70 km deep · 75 km away
  27. 2.048 km W of Happy Valley, Alaska · 1936 days ago · 102 km deep · 93 km away
  28. 1.578 km WNW of Ninilchik, Alaska · 1935 days ago · 129 km deep · 77 km away
  29. 1.526 km W of Nikiski, Alaska · 1935 days ago · 77 km deep · 3 km away
  30. 2.5Southern Alaska · 1935 days ago · 64 km deep · 79 km away
  31. 1.977 km W of Salamatof, Alaska · 1935 days ago · 120 km deep · 55 km away
  32. 1.832 km WNW of Beluga, Alaska · 1935 days ago · 70 km deep · 62 km away
  33. 1.620 km WNW of Salamatof, Alaska · 1935 days ago · 71 km deep · 6 km away
  34. 1.85 km W of Ninilchik, Alaska · 1935 days ago · 60 km deep · 76 km away
  35. 2.029 km N of Beluga, Alaska · 1935 days ago · 0 km deep · 81 km away
  36. 1.943 km W of Nikiski, Alaska · 1935 days ago · 85 km deep · 20 km away
  37. 1.741 km NNW of Beluga, Alaska · 1935 days ago · 82 km deep · 88 km away
  38. 1.745 km WNW of Clam Gulch, Alaska · 1934 days ago · 74 km deep · 42 km away
  39. 1.510 km NE of Ninilchik, Alaska · 1934 days ago · 67 km deep · 69 km away
  40. 2.224 km SSW of Susitna, Alaska · 1934 days ago · 29 km deep · 88 km away
  41. 1.77 km ENE of Salamatof, Alaska · 1934 days ago · 52 km deep · 30 km away
  42. 1.530 km W of Salamatof, Alaska · 1934 days ago · 76 km deep · 11 km away
  43. 1.588 km NE of Port Alsworth, Alaska · 1934 days ago · 7 km deep · 84 km away
  44. 2.118 km E of Point Possession, Alaska · 1934 days ago · 36 km deep · 77 km away
  45. 1.737 km WNW of Ninilchik, Alaska · 1934 days ago · 77 km deep · 65 km away
  46. 1.987 km NE of Port Alsworth, Alaska · 1932 days ago · 167 km deep · 76 km away
  47. 1.920 km SSW of Susitna, Alaska · 1932 days ago · 34 km deep · 91 km away
  48. 1.634 km NNW of Beluga, Alaska · 1932 days ago · 74 km deep · 78 km away
  49. 1.650 km WNW of Happy Valley, Alaska · 1932 days ago · 92 km deep · 88 km away
  50. 1.942 km WNW of Ninilchik, Alaska · 1931 days ago · 91 km deep · 75 km away
  51. 1.650 km WNW of Tyonek, Alaska · 1931 days ago · 83 km deep · 53 km away
  52. 1.511 km E of Clam Gulch, Alaska · 1931 days ago · 54 km deep · 62 km away
  53. 2.311 km ESE of Ninilchik, Alaska · 1931 days ago · 56 km deep · 82 km away
  54. 1.674 km WNW of Ninilchik, Alaska · 1931 days ago · 120 km deep · 85 km away
  55. 1.765 km WNW of Nikiski, Alaska · 1931 days ago · 124 km deep · 42 km away
  56. 1.823 km NW of Nikiski, Alaska · 1931 days ago · 74 km deep · 15 km away
  57. 1.965 km WNW of Ninilchik, Alaska · 1930 days ago · 117 km deep · 79 km away
  58. 2.920 km WSW of Tyonek, Alaska · 1929 days ago · 64 km deep · 32 km away
  59. 2.015 km NE of Nikiski, Alaska · 1929 days ago · 50 km deep · 34 km away
  60. 1.62 km WNW of Point Possession, Alaska · 1928 days ago · 0 km deep · 59 km away

The first 60 of at least 200.

Before

  1. 2.151 km W of Tyonek, Alaska · 1944 days ago · 101 km deep · 52 km away · felt by 7
  2. 1.666 km W of Tyonek, Alaska · 1945 days ago · 115 km deep · 51 km away
  3. 1.738 km W of Cohoe, Alaska · 1945 days ago · 92 km deep · 37 km away
  4. 1.69 km WSW of Cohoe, Alaska · 1945 days ago · 61 km deep · 46 km away
  5. 1.613 km ESE of Clam Gulch, Alaska · 1945 days ago · 43 km deep · 67 km away
  6. 1.767 km WNW of Tyonek, Alaska · 1946 days ago · 130 km deep · 66 km away
  7. 1.832 km W of Cohoe, Alaska · 1946 days ago · 57 km deep · 37 km away
  8. 2.156 km WNW of Ninilchik, Alaska · 1946 days ago · 105 km deep · 79 km away
  9. 1.862 km W of Tyonek, Alaska · 1947 days ago · 119 km deep · 52 km away
  10. 1.621 km N of Beluga, Alaska · 1947 days ago · 44 km deep · 77 km away
  11. 2.285 km W of Salamatof, Alaska · 1947 days ago · 128 km deep · 62 km away
  12. 1.538 km NW of Beluga, Alaska · 1948 days ago · 56 km deep · 70 km away
  13. 1.918 km SE of Kasilof, Alaska · 1948 days ago · 53 km deep · 67 km away
  14. 1.6Kenai Peninsula, Alaska · 1948 days ago · 65 km deep · 30 km away
  15. 1.611 km SE of Kasilof, Alaska · 1948 days ago · 34 km deep · 61 km away
  16. 1.55 km E of Ninilchik, Alaska · 1948 days ago · 35 km deep · 75 km away
  17. 2.038 km WNW of Ninilchik, Alaska · 1948 days ago · 93 km deep · 62 km away
  18. 1.69 km W of Clam Gulch, Alaska · 1948 days ago · 50 km deep · 55 km away
  19. 2.329 km S of Funny River, Alaska · 1949 days ago · 51 km deep · 75 km away
  20. 1.517 km SW of Hope, Alaska · 1949 days ago · 32 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0216y2cebq. Read Sat, Sep 26, 2026, 7:13 PM UTC.