Alaska earthquakes

M1.5 earthquake 74 km E of Cantwell, Alaska

A magnitude 1.5 earthquake struck 74 km E of Cantwell, Alaska on Tue, Sep 28, 2021, 9:46 AM AKDT (17:46 UTC), 32 km (20 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M4.4 60 km SSE of Cantwell, Alaska. This one was a foreshock.

Healy 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
2021-09-28 17:46:12 UTC
Depth
32.2 km (20.0 mi), shallow
Epicenter
63.480° N, 147.462° W
Region
Alaska
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 60 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 1.822 km ENE of Denali Park, Alaska · 1825 days ago · 87 km deep · 60 km away
  2. 1.571 km E of Cantwell, Alaska · 1824 days ago · 3 km deep · 6 km away
  3. 1.625 km SW of Cantwell, Alaska · 1824 days ago · 86 km deep · 98 km away
  4. 2.163 km SE of Cantwell, Alaska · 1821 days ago · 64 km deep · 70 km away
  5. 1.753 km ENE of Cantwell, Alaska · 1821 days ago · 2 km deep · 22 km away
  6. 2.482 km ESE of Denali Park, Alaska · 1819 days ago · 13 km deep · 16 km away
  7. 2.383 km E of Denali Park, Alaska · 1819 days ago · 13 km deep · 16 km away
  8. 2.362 km SSE of Cantwell, Alaska · 1819 days ago · 16 km deep · 89 km away
  9. 1.784 km ESE of Denali Park, Alaska · 1819 days ago · 4 km deep · 17 km away
  10. 2.083 km ESE of Denali Park, Alaska · 1818 days ago · 5 km deep · 11 km away
  11. 1.811 km NNE of Cantwell, Alaska · 1818 days ago · 11 km deep · 70 km away
  12. 2.584 km ESE of Denali Park, Alaska · 1816 days ago · 3 km deep · 16 km away
  13. 1.553 km SSE of Cantwell, Alaska · 1815 days ago · 60 km deep · 79 km away
  14. 2.847 km SSE of Cantwell, Alaska · 1815 days ago · 67 km deep · 85 km away
  15. 1.916 km ENE of Cantwell, Alaska · 1815 days ago · 90 km deep · 60 km away
  16. 1.559 km SSE of Cantwell, Alaska · 1815 days ago · 15 km deep · 84 km away
  17. 1.864 km SE of Cantwell, Alaska · 1815 days ago · 69 km deep · 62 km away
  18. 1.6Central Alaska · 1814 days ago · 1 km deep · 16 km away
  19. 3.528 km N of Paxson, Alaska · 1813 days ago · 5 km deep · 99 km away · felt by 1
  20. 1.661 km SSE of Cantwell, Alaska · 1810 days ago · 14 km deep · 79 km away
  21. 1.524 km ENE of Denali Park, Alaska · 1809 days ago · 102 km deep · 63 km away
  22. 1.96 km ESE of Healy, Alaska · 1807 days ago · 113 km deep · 78 km away
  23. 1.5Central Alaska · 1806 days ago · 10 km deep · 77 km away
  24. 1.574 km ESE of Denali Park, Alaska · 1806 days ago · 1 km deep · 9 km away
  25. 1.671 km SSE of Cantwell, Alaska · 1804 days ago · 62 km deep · 77 km away
  26. 1.645 km E of Denali Park, Alaska · 1803 days ago · 81 km deep · 36 km away
  27. 1.971 km SSE of Cantwell, Alaska · 1803 days ago · 63 km deep · 89 km away
  28. 4.460 km SSE of Cantwell, Alaska · 1802 days ago · 72 km deep · 75 km away · felt by 43
  29. 1.977 km SW of Fort Greely, Alaska · 1801 days ago · 0 km deep · 31 km away
  30. 1.543 km SW of Salcha, Alaska · 1800 days ago · 10 km deep · 81 km away
  31. 1.66 km NE of Healy, Alaska · 1800 days ago · 106 km deep · 83 km away
  32. 1.618 km WSW of Healy, Alaska · 1799 days ago · 116 km deep · 99 km away
  33. 1.761 km SSE of Cantwell, Alaska · 1798 days ago · 12 km deep · 78 km away
  34. 1.675 km ESE of Denali Park, Alaska · 1798 days ago · 5 km deep · 11 km away
  35. 2.169 km E of Denali Park, Alaska · 1796 days ago · 74 km deep · 17 km away
  36. 2.618 km W of Denali Park, Alaska · 1795 days ago · 116 km deep · 95 km away
  37. 1.629 km SSW of Cantwell, Alaska · 1794 days ago · 74 km deep · 91 km away
  38. 2.376 km E of Denali Park, Alaska · 1792 days ago · 80 km deep · 17 km away
  39. 1.669 km SE of Cantwell, Alaska · 1792 days ago · 65 km deep · 75 km away
  40. 1.515 km WSW of Healy, Alaska · 1792 days ago · 113 km deep · 96 km away
  41. 2.4Central Alaska · 1791 days ago · 17 km deep · 10 km away
  42. 1.688 km SW of Delta Junction, Alaska · 1791 days ago · 0 km deep · 17 km away
  43. 4.131 km SW of Salcha, Alaska · 1787 days ago · 8 km deep · 99 km away · felt by 179
  44. 2.860 km SSE of Cantwell, Alaska · 1787 days ago · 9 km deep · 77 km away · felt by 1
  45. 1.561 km ESE of Denali Park, Alaska · 1786 days ago · 5 km deep · 16 km away
  46. 2.921 km NNW of Cantwell, Alaska · 1785 days ago · 6 km deep · 86 km away · felt by 2
  47. 1.540 km SE of Cantwell, Alaska · 1783 days ago · 75 km deep · 54 km away
  48. 2.680 km NW of Lake Louise, Alaska · 1781 days ago · 5 km deep · 81 km away
  49. 2.068 km E of Cantwell, Alaska · 1781 days ago · 67 km deep · 11 km away
  50. 1.569 km SE of Cantwell, Alaska · 1780 days ago · 60 km deep · 72 km away
  51. 1.730 km SSE of Cantwell, Alaska · 1778 days ago · 70 km deep · 68 km away
  52. 2.223 km W of Denali Park, Alaska · 1777 days ago · 110 km deep · 100 km away
  53. 1.674 km ESE of Denali Park, Alaska · 1775 days ago · 5 km deep · 10 km away
  54. 1.615 km W of Healy, Alaska · 1775 days ago · 118 km deep · 99 km away
  55. 2.472 km ESE of Denali Park, Alaska · 1774 days ago · 3 km deep · 8 km away
  56. 1.532 km SSE of Cantwell, Alaska · 1773 days ago · 5 km deep · 79 km away
  57. 1.666 km ENE of Cantwell, Alaska · 1771 days ago · 8 km deep · 11 km away
  58. 2.347 km SSE of Cantwell, Alaska · 1770 days ago · 71 km deep · 86 km away
  59. 1.83 km ENE of Healy, Alaska · 1768 days ago · 104 km deep · 83 km away
  60. 1.662 km SSE of Cantwell, Alaska · 1766 days ago · 12 km deep · 78 km away

Before

  1. 1.965 km WSW of Delta Junction, Alaska · 1826 days ago · 0 km deep · 41 km away
  2. 1.79 km WNW of Healy, Alaska · 1826 days ago · 117 km deep · 94 km away
  3. 2.280 km NW of Lake Louise, Alaska · 1828 days ago · 0 km deep · 83 km away
  4. 1.984 km SW of Delta Junction, Alaska · 1830 days ago · 68 km deep · 22 km away
  5. 2.18 km NNE of Cantwell, Alaska · 1830 days ago · 10 km deep · 70 km away
  6. 1.661 km SSE of Cantwell, Alaska · 1830 days ago · 9 km deep · 79 km away
  7. 2.326 km SSW of Cantwell, Alaska · 1832 days ago · 3 km deep · 92 km away
  8. 1.815 km NNE of Healy, Alaska · 1832 days ago · 113 km deep · 86 km away
  9. 1.912 km SW of Cantwell, Alaska · 1837 days ago · 84 km deep · 84 km away
  10. 2.132 km SE of Cantwell, Alaska · 1838 days ago · 73 km deep · 62 km away
  11. 2.89 km SSW of Cantwell, Alaska · 1838 days ago · 84 km deep · 82 km away
  12. 2.087 km WNW of Paxson, Alaska · 1840 days ago · 0 km deep · 20 km away
  13. 1.881 km SW of Delta Junction, Alaska · 1840 days ago · 0 km deep · 24 km away · felt by 1
  14. 1.517 km E of Ferry, Alaska · 1840 days ago · 4 km deep · 89 km away
  15. 1.913 km NE of Healy, Alaska · 1843 days ago · 114 km deep · 84 km away
  16. 2.132 km ENE of Cantwell, Alaska · 1843 days ago · 0 km deep · 43 km away
  17. 1.658 km SSE of Cantwell, Alaska · 1844 days ago · 72 km deep · 73 km away
  18. 1.781 km ESE of Denali Park, Alaska · 1844 days ago · 2 km deep · 12 km away
  19. 1.736 km ENE of Ferry, Alaska · 1844 days ago · 13 km deep · 89 km away
  20. 1.915 km NE of Cantwell, Alaska · 1845 days ago · 6 km deep · 62 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021cgh1azk. Read Mon, Sep 28, 2026, 2:25 AM UTC.