Alaska earthquakes

M1.9 earthquake 73 km SE of Ugashik, Alaska

A magnitude 1.9 earthquake struck 73 km SE of Ugashik, Alaska on Thu, Feb 18, 2021, 8:23 PM AKST (05:23 UTC), 79 km (49 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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-02-19 05:23:58 UTC
Depth
79.0 km (49.1 mi), intermediate-depth
Epicenter
57.123° N, 156.416° 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
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 92 in the 60 days after this one and 53 in the 30 days before it.

After

  1. 1.756 km WNW of Akhiok, Alaska · 2052 days ago · 50 km deep · 83 km away
  2. 2.164 km ENE of Ugashik, Alaska · 2051 days ago · 127 km deep · 73 km away
  3. 2.566 km WSW of Karluk, Alaska · 2051 days ago · 65 km deep · 62 km away
  4. 1.766 km WSW of Karluk, Alaska · 2051 days ago · 65 km deep · 62 km away
  5. 2.258 km E of Ugashik, Alaska · 2051 days ago · 92 km deep · 36 km away
  6. 1.870 km WSW of Karluk, Alaska · 2051 days ago · 72 km deep · 57 km away
  7. 1.746 km WNW of Akhiok, Alaska · 2050 days ago · 10 km deep · 97 km away
  8. 2.179 km WSW of Akhiok, Alaska · 2050 days ago · 65 km deep · 88 km away
  9. 3.047 km SSW of Karluk, Alaska · 2049 days ago · 56 km deep · 94 km away
  10. 1.867 km SE of Ugashik, Alaska · 2048 days ago · 87 km deep · 6 km away
  11. 2.156 km WNW of Akhiok, Alaska · 2048 days ago · 46 km deep · 83 km away
  12. 1.557 km WNW of Akhiok, Alaska · 2048 days ago · 55 km deep · 83 km away
  13. 1.664 km E of Ugashik, Alaska · 2048 days ago · 86 km deep · 39 km away
  14. 1.856 km WNW of Akhiok, Alaska · 2048 days ago · 65 km deep · 82 km away
  15. 1.857 km SW of Karluk, Alaska · 2047 days ago · 65 km deep · 83 km away
  16. 1.957 km WNW of Akhiok, Alaska · 2047 days ago · 62 km deep · 82 km away
  17. 1.873 km ESE of Ugashik, Alaska · 2046 days ago · 7 km deep · 7 km away
  18. 1.981 km SE of Ugashik, Alaska · 2046 days ago · 74 km deep · 9 km away
  19. 2.3112 km SSE of Ugashik, Alaska · 2046 days ago · 75 km deep · 58 km away
  20. 1.856 km WNW of Akhiok, Alaska · 2046 days ago · 47 km deep · 83 km away
  21. 1.957 km WNW of Akhiok, Alaska · 2045 days ago · 56 km deep · 82 km away
  22. 2.681 km ESE of Egegik, Alaska · 2045 days ago · 127 km deep · 83 km away
  23. 1.651 km WNW of Akhiok, Alaska · 2044 days ago · 46 km deep · 86 km away
  24. 1.554 km WNW of Akhiok, Alaska · 2044 days ago · 27 km deep · 85 km away
  25. 1.741 km ESE of Ugashik, Alaska · 2044 days ago · 2 km deep · 32 km away
  26. 3.1116 km ENE of Chignik, Alaska · 2044 days ago · 73 km deep · 68 km away
  27. 2.457 km WNW of Akhiok, Alaska · 2043 days ago · 63 km deep · 83 km away
  28. 2.357 km WNW of Akhiok, Alaska · 2043 days ago · 58 km deep · 82 km away
  29. 1.873 km SE of Ugashik, Alaska · 2042 days ago · 75 km deep · 4 km away
  30. 2.153 km E of Port Heiden, Alaska · 2040 days ago · 8 km deep · 85 km away
  31. 2.757 km ENE of Chignik, Alaska · 2039 days ago · 66 km deep · 98 km away
  32. 2.840 km ENE of Ugashik, Alaska · 2039 days ago · 136 km deep · 67 km away
  33. 1.856 km WNW of Akhiok, Alaska · 2039 days ago · 53 km deep · 84 km away
  34. 2.254 km SE of Ugashik, Alaska · 2038 days ago · 86 km deep · 22 km away
  35. 2.883 km E of Ugashik, Alaska · 2037 days ago · 96 km deep · 53 km away
  36. 1.883 km ESE of Egegik, Alaska · 2035 days ago · 128 km deep · 90 km away
  37. 1.783 km W of Karluk, Alaska · 2035 days ago · 85 km deep · 53 km away
  38. 1.546 km W of Karluk, Alaska · 2035 days ago · 73 km deep · 90 km away
  39. 2.369 km W of Karluk, Alaska · 2033 days ago · 12 km deep · 72 km away
  40. 1.984 km E of Ugashik, Alaska · 2031 days ago · 76 km deep · 57 km away
  41. 1.830 km WSW of Karluk, Alaska · 2031 days ago · 61 km deep · 97 km away
  42. 1.955 km E of Ugashik, Alaska · 2030 days ago · 91 km deep · 40 km away
  43. 1.656 km SW of Karluk, Alaska · 2029 days ago · 26 km deep · 85 km away
  44. 2.459 km ESE of Port Heiden, Alaska · 2028 days ago · 93 km deep · 85 km away
  45. 1.955 km WNW of Akhiok, Alaska · 2027 days ago · 56 km deep · 85 km away
  46. 1.6Alaska Peninsula · 2027 days ago · 70 km deep · 84 km away
  47. 2.057 km WNW of Akhiok, Alaska · 2027 days ago · 61 km deep · 82 km away
  48. 2.049 km ESE of Ugashik, Alaska · 2027 days ago · 91 km deep · 29 km away
  49. 2.266 km W of Karluk, Alaska · 2027 days ago · 93 km deep · 74 km away
  50. 1.851 km SSE of Ugashik, Alaska · 2026 days ago · 4 km deep · 49 km away
  51. 2.849 km E of Ugashik, Alaska · 2026 days ago · 119 km deep · 49 km away
  52. 1.925 km SE of Ugashik, Alaska · 2024 days ago · 109 km deep · 48 km away
  53. 1.754 km SW of Karluk, Alaska · 2023 days ago · 8 km deep · 85 km away
  54. 1.685 km E of Ugashik, Alaska · 2022 days ago · 13 km deep · 63 km away
  55. 1.865 km SW of Karluk, Alaska · 2022 days ago · 62 km deep · 65 km away
  56. 2.251 km S of Ugashik, Alaska · 2022 days ago · 108 km deep · 67 km away
  57. 1.668 km SSE of Ugashik, Alaska · 2021 days ago · 83 km deep · 39 km away
  58. 1.640 km ESE of Ugashik, Alaska · 2021 days ago · 112 km deep · 38 km away
  59. 1.836 km WSW of Karluk, Alaska · 2020 days ago · 69 km deep · 92 km away
  60. 1.957 km WSW of Akhiok, Alaska · 2020 days ago · 11 km deep · 97 km away

The first 60 of 92.

Before

  1. 2.957 km E of Port Heiden, Alaska · 2053 days ago · 14 km deep · 78 km away
  2. 1.557 km SW of Karluk, Alaska · 2053 days ago · 8 km deep · 83 km away
  3. 2.087 km W of Karluk, Alaska · 2053 days ago · 98 km deep · 71 km away
  4. 1.856 km WNW of Akhiok, Alaska · 2054 days ago · 49 km deep · 84 km away
  5. 1.657 km WNW of Akhiok, Alaska · 2054 days ago · 46 km deep · 83 km away
  6. 2.064 km WNW of Karluk, Alaska · 2055 days ago · 98 km deep · 92 km away
  7. 2.271 km W of Karluk, Alaska · 2055 days ago · 5 km deep · 73 km away
  8. 1.757 km WNW of Akhiok, Alaska · 2055 days ago · 56 km deep · 83 km away
  9. 2.4123 km SSE of Ugashik, Alaska · 2055 days ago · 73 km deep · 60 km away
  10. 2.079 km SE of Ugashik, Alaska · 2055 days ago · 75 km deep · 25 km away
  11. 1.956 km WNW of Akhiok, Alaska · 2056 days ago · 57 km deep · 83 km away
  12. 2.157 km WNW of Akhiok, Alaska · 2057 days ago · 56 km deep · 83 km away
  13. 3.093 km SE of Ugashik, Alaska · 2057 days ago · 69 km deep · 20 km away
  14. 2.655 km WNW of Akhiok, Alaska · 2057 days ago · 46 km deep · 84 km away
  15. 2.855 km WNW of Akhiok, Alaska · 2057 days ago · 47 km deep · 84 km away
  16. 2.655 km SW of Karluk, Alaska · 2057 days ago · 8 km deep · 85 km away
  17. 2.156 km WNW of Akhiok, Alaska · 2057 days ago · 47 km deep · 83 km away
  18. 2.256 km SW of Karluk, Alaska · 2058 days ago · 58 km deep · 84 km away
  19. 1.855 km WNW of Akhiok, Alaska · 2058 days ago · 44 km deep · 85 km away
  20. 1.956 km WNW of Akhiok, Alaska · 2058 days ago · 55 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0212arzko3. Read Sat, Oct 3, 2026, 12:03 PM UTC.