Alaska earthquakes

M1.9 earthquake 12 km WNW of Happy Valley, Alaska

A magnitude 1.9 earthquake struck 12 km WNW of Happy Valley, Alaska on Tue, Mar 16, 2021, 9:27 AM AKDT (17:27 UTC), 75 km (47 mi) below the surface.

A larger quake followed: M4.2 41 km E of Pedro Bay, Alaska. This one was a foreshock.

Happy Valley 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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-03-16 17:27:21 UTC
Depth
75.4 km (46.9 mi), intermediate-depth
Epicenter
59.974° N, 151.954° 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
66

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 201 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 1.648 km WNW of Happy Valley, Alaska · 2026 days ago · 98 km deep · 36 km away
  2. 2.361 km E of Pedro Bay, Alaska · 2025 days ago · 98 km deep · 61 km away
  3. 1.846 km W of Anchor Point, Alaska · 2025 days ago · 81 km deep · 44 km away
  4. 1.642 km E of Pedro Bay, Alaska · 2025 days ago · 126 km deep · 80 km away
  5. 1.948 km ENE of Pedro Bay, Alaska · 2025 days ago · 153 km deep · 78 km away
  6. 2.376 km ENE of Port Alsworth, Alaska · 2025 days ago · 125 km deep · 71 km away
  7. 1.6Southern Alaska · 2025 days ago · 72 km deep · 18 km away
  8. 1.558 km W of Anchor Point, Alaska · 2025 days ago · 93 km deep · 59 km away
  9. 1.757 km ESE of Pedro Bay, Alaska · 2025 days ago · 102 km deep · 74 km away
  10. 1.512 km WNW of Fox River, Alaska · 2025 days ago · 70 km deep · 45 km away
  11. 1.653 km E of Pedro Bay, Alaska · 2025 days ago · 99 km deep · 70 km away
  12. 1.656 km ENE of Pedro Bay, Alaska · 2025 days ago · 126 km deep · 65 km away
  13. 1.657 km ENE of Pedro Bay, Alaska · 2025 days ago · 119 km deep · 65 km away
  14. 1.51 km N of Seldovia, Alaska · 2024 days ago · 57 km deep · 60 km away
  15. 1.666 km SE of Pedro Bay, Alaska · 2024 days ago · 90 km deep · 92 km away
  16. 1.9Kenai Peninsula, Alaska · 2024 days ago · 53 km deep · 91 km away
  17. 1.559 km WNW of Happy Valley, Alaska · 2024 days ago · 104 km deep · 47 km away
  18. 1.516 km E of Happy Valley, Alaska · 2024 days ago · 60 km deep · 30 km away
  19. 1.958 km E of Pedro Bay, Alaska · 2024 days ago · 114 km deep · 69 km away
  20. 2.445 km WNW of Happy Valley, Alaska · 2024 days ago · 92 km deep · 33 km away
  21. 1.64 km ESE of Fritz Creek, Alaska · 2024 days ago · 44 km deep · 50 km away
  22. 2.232 km W of Nanwalek, Alaska · 2024 days ago · 70 km deep · 74 km away
  23. 1.858 km SE of Pedro Bay, Alaska · 2023 days ago · 101 km deep · 97 km away
  24. 2.068 km WSW of Salamatof, Alaska · 2023 days ago · 95 km deep · 67 km away
  25. 1.962 km ESE of Pedro Bay, Alaska · 2023 days ago · 110 km deep · 68 km away
  26. 1.512 km ESE of Nikiski, Alaska · 2023 days ago · 26 km deep · 89 km away
  27. 1.934 km WNW of Clam Gulch, Alaska · 2023 days ago · 83 km deep · 44 km away
  28. 1.862 km WNW of Anchor Point, Alaska · 2023 days ago · 105 km deep · 50 km away
  29. 1.6Kenai Peninsula, Alaska · 2023 days ago · 52 km deep · 94 km away
  30. 1.865 km ENE of Pedro Bay, Alaska · 2023 days ago · 120 km deep · 58 km away
  31. 1.764 km ENE of Pedro Bay, Alaska · 2023 days ago · 108 km deep · 62 km away
  32. 1.560 km ENE of Pedro Bay, Alaska · 2023 days ago · 10 km deep · 67 km away
  33. 1.656 km E of Pedro Bay, Alaska · 2023 days ago · 102 km deep · 68 km away
  34. 1.640 km W of Nanwalek, Alaska · 2023 days ago · 89 km deep · 73 km away
  35. 1.56 km N of Anchor Point, Alaska · 2023 days ago · 66 km deep · 16 km away
  36. 2.547 km E of Pedro Bay, Alaska · 2023 days ago · 122 km deep · 75 km away
  37. 1.646 km NW of Ninilchik, Alaska · 2023 days ago · 91 km deep · 46 km away
  38. 2.421 km NNW of Fox River, Alaska · 2023 days ago · 59 km deep · 48 km away
  39. 1.759 km E of Port Alsworth, Alaska · 2023 days ago · 129 km deep · 75 km away
  40. 1.742 km W of Salamatof, Alaska · 2022 days ago · 81 km deep · 77 km away
  41. 1.545 km NW of Ninilchik, Alaska · 2022 days ago · 88 km deep · 43 km away
  42. 1.676 km NW of Ninilchik, Alaska · 2022 days ago · 114 km deep · 71 km away
  43. 1.646 km E of Pedro Bay, Alaska · 2022 days ago · 117 km deep · 76 km away
  44. 1.673 km WNW of Happy Valley, Alaska · 2022 days ago · 106 km deep · 61 km away
  45. 1.656 km W of Happy Valley, Alaska · 2022 days ago · 97 km deep · 44 km away
  46. 1.920 km WNW of Nikiski, Alaska · 2022 days ago · 79 km deep · 88 km away
  47. 1.526 km W of Salamatof, Alaska · 2021 days ago · 79 km deep · 72 km away
  48. 2.386 km W of Salamatof, Alaska · 2021 days ago · 132 km deep · 97 km away
  49. 1.859 km E of Port Alsworth, Alaska · 2021 days ago · 138 km deep · 74 km away
  50. 1.651 km NW of Ninilchik, Alaska · 2021 days ago · 87 km deep · 47 km away
  51. 2.567 km ENE of Port Alsworth, Alaska · 2021 days ago · 137 km deep · 80 km away
  52. 1.543 km W of Happy Valley, Alaska · 2021 days ago · 80 km deep · 31 km away
  53. 1.846 km WNW of Ninilchik, Alaska · 2021 days ago · 91 km deep · 40 km away
  54. 2.361 km WNW of Happy Valley, Alaska · 2021 days ago · 104 km deep · 49 km away
  55. 2.244 km ENE of Pedro Bay, Alaska · 2021 days ago · 137 km deep · 78 km away
  56. 1.632 km WNW of Nikiski, Alaska · 2021 days ago · 75 km deep · 87 km away
  57. 1.737 km W of Nanwalek, Alaska · 2021 days ago · 67 km deep · 83 km away
  58. 1.5Southern Alaska · 2020 days ago · 140 km deep · 72 km away
  59. 1.871 km WNW of Ninilchik, Alaska · 2020 days ago · 123 km deep · 61 km away · felt by 1
  60. 4.241 km E of Pedro Bay, Alaska · 2020 days ago · 130 km deep · 80 km away · felt by 48 · tsunami flag

The first 60 of at least 201.

Before

  1. 1.771 km E of Port Alsworth, Alaska · 2026 days ago · 129 km deep · 63 km away
  2. 2.643 km E of Pedro Bay, Alaska · 2026 days ago · 117 km deep · 79 km away
  3. 1.558 km ESE of Pedro Bay, Alaska · 2026 days ago · 104 km deep · 89 km away
  4. 1.739 km E of Pedro Bay, Alaska · 2026 days ago · 117 km deep · 84 km away
  5. 1.641 km NE of Pedro Bay, Alaska · 2026 days ago · 155 km deep · 89 km away
  6. 1.727 km WNW of Anchor Point, Alaska · 2026 days ago · 83 km deep · 25 km away
  7. 2.143 km NW of Ninilchik, Alaska · 2026 days ago · 88 km deep · 40 km away
  8. 1.951 km ENE of Pedro Bay, Alaska · 2026 days ago · 124 km deep · 70 km away
  9. 1.94 km ESE of Nikiski, Alaska · 2026 days ago · 66 km deep · 88 km away
  10. 2.119 km ESE of Kasilof, Alaska · 2027 days ago · 61 km deep · 64 km away
  11. 2.355 km ENE of Port Alsworth, Alaska · 2027 days ago · 160 km deep · 88 km away
  12. 1.851 km E of Pedro Bay, Alaska · 2027 days ago · 117 km deep · 71 km away
  13. 2.624 km W of Happy Valley, Alaska · 2027 days ago · 67 km deep · 12 km away
  14. 2.248 km W of Anchor Point, Alaska · 2027 days ago · 98 km deep · 51 km away
  15. 1.741 km W of Anchor Point, Alaska · 2027 days ago · 98 km deep · 40 km away
  16. 1.768 km WNW of Happy Valley, Alaska · 2027 days ago · 111 km deep · 55 km away
  17. 1.755 km NW of Ninilchik, Alaska · 2027 days ago · 95 km deep · 50 km away · felt by 1
  18. 1.86 km SSW of Happy Valley, Alaska · 2027 days ago · 60 km deep · 12 km away
  19. 1.638 km W of Cohoe, Alaska · 2027 days ago · 74 km deep · 49 km away
  20. 1.746 km W of Anchor Point, Alaska · 2027 days ago · 104 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213gbl89s. Read Fri, Oct 2, 2026, 12:03 PM UTC.