Alaska earthquakes

M1.8 earthquake 67 km SE of Ugashik, Alaska

A magnitude 1.8 earthquake struck 67 km SE of Ugashik, Alaska on Mon, Feb 22, 2021, 6:46 PM AKST (03:46 UTC), 87 km (54 mi) below the surface.

A larger quake followed: M3.5 50 km W of Akhiok, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.8 (ml), micro
Local time
UTC
2021-02-23 03:46:16 UTC
Depth
87.0 km (54.1 mi), intermediate-depth
Epicenter
57.160° N, 156.480° 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
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 84 in the 60 days after this one and 61 in the 30 days before it.

After

  1. 2.156 km WNW of Akhiok, Alaska · 2042 days ago · 46 km deep · 87 km away
  2. 1.557 km WNW of Akhiok, Alaska · 2042 days ago · 55 km deep · 87 km away
  3. 1.664 km E of Ugashik, Alaska · 2042 days ago · 86 km deep · 35 km away
  4. 1.856 km WNW of Akhiok, Alaska · 2041 days ago · 65 km deep · 86 km away
  5. 1.857 km SW of Karluk, Alaska · 2041 days ago · 65 km deep · 86 km away
  6. 1.957 km WNW of Akhiok, Alaska · 2041 days ago · 62 km deep · 86 km away
  7. 1.873 km ESE of Ugashik, Alaska · 2040 days ago · 7 km deep · 8 km away
  8. 1.981 km SE of Ugashik, Alaska · 2040 days ago · 74 km deep · 14 km away
  9. 2.3112 km SSE of Ugashik, Alaska · 2040 days ago · 75 km deep · 62 km away
  10. 1.856 km WNW of Akhiok, Alaska · 2040 days ago · 47 km deep · 87 km away
  11. 1.957 km WNW of Akhiok, Alaska · 2039 days ago · 56 km deep · 86 km away
  12. 2.681 km ESE of Egegik, Alaska · 2039 days ago · 127 km deep · 80 km away
  13. 1.651 km WNW of Akhiok, Alaska · 2038 days ago · 46 km deep · 91 km away
  14. 1.554 km WNW of Akhiok, Alaska · 2038 days ago · 27 km deep · 89 km away
  15. 1.741 km ESE of Ugashik, Alaska · 2038 days ago · 2 km deep · 26 km away
  16. 3.1116 km ENE of Chignik, Alaska · 2037 days ago · 73 km deep · 72 km away
  17. 2.457 km WNW of Akhiok, Alaska · 2037 days ago · 63 km deep · 87 km away
  18. 2.357 km WNW of Akhiok, Alaska · 2036 days ago · 58 km deep · 86 km away
  19. 1.873 km SE of Ugashik, Alaska · 2036 days ago · 75 km deep · 8 km away
  20. 2.153 km E of Port Heiden, Alaska · 2034 days ago · 8 km deep · 83 km away
  21. 2.757 km ENE of Chignik, Alaska · 2033 days ago · 66 km deep · 99 km away
  22. 2.840 km ENE of Ugashik, Alaska · 2033 days ago · 136 km deep · 62 km away
  23. 1.856 km WNW of Akhiok, Alaska · 2032 days ago · 53 km deep · 88 km away
  24. 2.254 km SE of Ugashik, Alaska · 2031 days ago · 86 km deep · 18 km away
  25. 2.883 km E of Ugashik, Alaska · 2031 days ago · 96 km deep · 51 km away
  26. 1.883 km ESE of Egegik, Alaska · 2029 days ago · 128 km deep · 87 km away
  27. 1.783 km W of Karluk, Alaska · 2028 days ago · 85 km deep · 53 km away
  28. 1.546 km W of Karluk, Alaska · 2028 days ago · 73 km deep · 91 km away
  29. 2.369 km W of Karluk, Alaska · 2026 days ago · 12 km deep · 72 km away
  30. 1.984 km E of Ugashik, Alaska · 2025 days ago · 76 km deep · 55 km away
  31. 1.830 km WSW of Karluk, Alaska · 2025 days ago · 61 km deep · 99 km away
  32. 1.955 km E of Ugashik, Alaska · 2024 days ago · 91 km deep · 36 km away
  33. 1.656 km SW of Karluk, Alaska · 2023 days ago · 26 km deep · 89 km away
  34. 2.459 km ESE of Port Heiden, Alaska · 2022 days ago · 93 km deep · 84 km away
  35. 1.955 km WNW of Akhiok, Alaska · 2021 days ago · 56 km deep · 89 km away
  36. 1.6Alaska Peninsula · 2021 days ago · 70 km deep · 87 km away
  37. 2.057 km WNW of Akhiok, Alaska · 2021 days ago · 61 km deep · 86 km away
  38. 2.049 km ESE of Ugashik, Alaska · 2020 days ago · 91 km deep · 24 km away
  39. 2.266 km W of Karluk, Alaska · 2020 days ago · 93 km deep · 74 km away
  40. 1.851 km SSE of Ugashik, Alaska · 2020 days ago · 4 km deep · 46 km away
  41. 2.849 km E of Ugashik, Alaska · 2019 days ago · 119 km deep · 45 km away
  42. 1.925 km SE of Ugashik, Alaska · 2018 days ago · 109 km deep · 42 km away
  43. 1.754 km SW of Karluk, Alaska · 2016 days ago · 8 km deep · 89 km away
  44. 1.685 km E of Ugashik, Alaska · 2016 days ago · 13 km deep · 61 km away
  45. 1.865 km SW of Karluk, Alaska · 2016 days ago · 62 km deep · 68 km away
  46. 2.251 km S of Ugashik, Alaska · 2016 days ago · 108 km deep · 64 km away
  47. 1.668 km SSE of Ugashik, Alaska · 2014 days ago · 83 km deep · 38 km away
  48. 1.640 km ESE of Ugashik, Alaska · 2014 days ago · 112 km deep · 32 km away
  49. 1.836 km WSW of Karluk, Alaska · 2014 days ago · 69 km deep · 94 km away
  50. 1.680 km ESE of Egegik, Alaska · 2011 days ago · 138 km deep · 86 km away
  51. 2.685 km W of Akhiok, Alaska · 2011 days ago · 60 km deep · 67 km away
  52. 2.084 km W of Akhiok, Alaska · 2009 days ago · 47 km deep · 67 km away
  53. 2.835 km SW of Karluk, Alaska · 2008 days ago · 60 km deep · 96 km away
  54. 1.855 km WNW of Akhiok, Alaska · 2005 days ago · 47 km deep · 88 km away
  55. 2.127 km SSE of Ugashik, Alaska · 2005 days ago · 6 km deep · 44 km away
  56. 2.458 km WNW of Akhiok, Alaska · 2004 days ago · 46 km deep · 86 km away
  57. 2.137 km SW of Karluk, Alaska · 2004 days ago · 47 km deep · 98 km away
  58. 1.958 km WNW of Akhiok, Alaska · 2003 days ago · 35 km deep · 85 km away
  59. 2.123 km SE of Ugashik, Alaska · 2003 days ago · 117 km deep · 44 km away
  60. 1.8Alaska Peninsula · 2003 days ago · 65 km deep · 68 km away

The first 60 of 84.

Before

  1. 3.047 km SSW of Karluk, Alaska · 2042 days ago · 56 km deep · 97 km away
  2. 2.179 km WSW of Akhiok, Alaska · 2044 days ago · 65 km deep · 93 km away
  3. 1.870 km WSW of Karluk, Alaska · 2044 days ago · 72 km deep · 59 km away
  4. 2.258 km E of Ugashik, Alaska · 2045 days ago · 92 km deep · 32 km away
  5. 1.766 km WSW of Karluk, Alaska · 2045 days ago · 65 km deep · 64 km away
  6. 2.566 km WSW of Karluk, Alaska · 2045 days ago · 65 km deep · 64 km away
  7. 2.164 km ENE of Ugashik, Alaska · 2045 days ago · 127 km deep · 69 km away
  8. 1.756 km WNW of Akhiok, Alaska · 2046 days ago · 50 km deep · 87 km away
  9. 1.973 km SE of Ugashik, Alaska · 2046 days ago · 79 km deep · 6 km away
  10. 2.957 km E of Port Heiden, Alaska · 2046 days ago · 14 km deep · 75 km away
  11. 1.557 km SW of Karluk, Alaska · 2047 days ago · 8 km deep · 87 km away
  12. 2.087 km W of Karluk, Alaska · 2047 days ago · 98 km deep · 69 km away
  13. 1.856 km WNW of Akhiok, Alaska · 2048 days ago · 49 km deep · 88 km away
  14. 1.657 km WNW of Akhiok, Alaska · 2048 days ago · 46 km deep · 87 km away
  15. 2.064 km WNW of Karluk, Alaska · 2048 days ago · 98 km deep · 91 km away
  16. 2.271 km W of Karluk, Alaska · 2048 days ago · 5 km deep · 73 km away
  17. 1.757 km WNW of Akhiok, Alaska · 2049 days ago · 56 km deep · 87 km away
  18. 2.4123 km SSE of Ugashik, Alaska · 2049 days ago · 73 km deep · 65 km away
  19. 2.079 km SE of Ugashik, Alaska · 2049 days ago · 75 km deep · 27 km away
  20. 1.956 km WNW of Akhiok, Alaska · 2049 days ago · 57 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0212hd2xpk. Read Sun, Sep 27, 2026, 2:34 AM UTC.