Alaska earthquakes

M3.1 earthquake 90 km SE of Unalaska, Alaska

A magnitude 3.1 earthquake struck 90 km SE of Unalaska, Alaska on Tue, Jan 19, 2021, 11:56 PM AKST (08:56 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M3.3 90 km SE of Unalaska, 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
3.1 (ml), minor
Local time
UTC
2021-01-20 08:56:22 UTC
Depth
19.6 km (12.1 mi), shallow
Epicenter
53.273° N, 165.611° 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.

Location uncertainty
About 7.3 km horizontally, 16.2 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
222°, poorly surrounded by stations
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 89 in the 60 days after this one and 34 in the 30 days before it.

After

  1. 1.676 km S of Unalaska, Alaska · 2072 days ago · 1 km deep · 55 km away
  2. 3.390 km SE of Unalaska, Alaska · 2072 days ago · 21 km deep · 3 km away
  3. 2.148 km SSW of Unalaska, AK · 2072 days ago · 64 km deep · 75 km away
  4. 1.538 km S of Akutan, Alaska · 2071 days ago · 46 km deep · 58 km away
  5. 2.080 km SE of Akutan, Alaska · 2070 days ago · 25 km deep · 48 km away
  6. 1.585 km SSW of Unalaska, Alaska · 2069 days ago · 5 km deep · 95 km away
  7. 1.840 km ESE of Unalaska, Alaska · 2068 days ago · 28 km deep · 54 km away
  8. 2.1104 km SSE of Akutan, Alaska · 2068 days ago · 26 km deep · 37 km away
  9. 2.090 km SE of Akutan, Alaska · 2068 days ago · 48 km deep · 69 km away
  10. 2.282 km SSW of Unalaska, Alaska · 2067 days ago · 26 km deep · 80 km away
  11. 2.543 km S of Unalaska, Alaska · 2067 days ago · 63 km deep · 67 km away
  12. 4.068 km SSW of Unalaska, Alaska · 2066 days ago · 59 km deep · 83 km away
  13. 1.760 km SSE of Unalaska, Alaska · 2065 days ago · 41 km deep · 36 km away
  14. 3.0158 km SSE of Akutan, Alaska · 2064 days ago · 27 km deep · 69 km away
  15. 3.476 km SSE of Akutan, Alaska · 2063 days ago · 35 km deep · 32 km away
  16. 2.597 km SE of Akutan, Alaska · 2062 days ago · 35 km deep · 70 km away
  17. 1.796 km SE of Akutan, Alaska · 2062 days ago · 23 km deep · 76 km away
  18. 2.084 km SE of Akutan, Alaska · 2062 days ago · 50 km deep · 64 km away
  19. 2.774 km SE of Unalaska, Alaska · 2062 days ago · 35 km deep · 17 km away
  20. 2.3119 km S of Unalaska, Alaska · 2062 days ago · 19 km deep · 87 km away
  21. 1.922 km SSE of Unalaska, Alaska · 2061 days ago · 90 km deep · 72 km away
  22. 2.073 km S of Unalaska, Alaska · 2060 days ago · 25 km deep · 56 km away
  23. 2.0134 km S of Unalaska, Alaska · 2059 days ago · 38 km deep · 82 km away
  24. 3.488 km SE of Akutan, Alaska · 2059 days ago · 35 km deep · 56 km away
  25. 1.591 km SE of Akutan, Alaska · 2059 days ago · 26 km deep · 53 km away
  26. 2.7101 km SE of Akutan, Alaska · 2058 days ago · 21 km deep · 81 km away
  27. 2.082 km SE of Akutan, Alaska · 2057 days ago · 42 km deep · 46 km away
  28. 2.074 km SSE of Akutan, Alaska · 2057 days ago · 57 km deep · 41 km away
  29. 2.081 km SSE of Akutan, Alaska · 2057 days ago · 47 km deep · 41 km away
  30. 2.2165 km SSE of Unalaska, Alaska · 2057 days ago · 26 km deep · 96 km away
  31. 1.731 km ESE of Unalaska, Alaska · 2057 days ago · 68 km deep · 63 km away
  32. 2.910 km NE of Dutch Harbor, Alaska · 2056 days ago · 18 km deep · 93 km away
  33. 2.583 km SE of Akutan, Alaska · 2056 days ago · 35 km deep · 69 km away
  34. 1.840 km SSW of Unalaska, Alaska · 2056 days ago · 73 km deep · 75 km away
  35. 1.66 km NNW of Dutch Harbor, Alaska · 2055 days ago · 7 km deep · 98 km away
  36. 3.254 km SE of Unalaska, Alaska · 2055 days ago · 35 km deep · 39 km away
  37. 3.0106 km ESE of Akutan, Alaska · 2054 days ago · 16 km deep · 93 km away
  38. 2.890 km SSW of Unalaska, Alaska · 2054 days ago · 26 km deep · 96 km away
  39. 3.988 km SSW of Unalaska, Alaska · 2054 days ago · 44 km deep · 99 km away
  40. 1.688 km SSW of Unalaska, Alaska · 2053 days ago · 26 km deep · 95 km away
  41. 2.68 km SE of Unalaska, Alaska · 2051 days ago · 9 km deep · 82 km away
  42. 1.64 km ENE of Unalaska, Alaska · 2051 days ago · 11 km deep · 89 km away
  43. 1.65 km ESE of Unalaska, Alaska · 2051 days ago · 10 km deep · 85 km away
  44. 1.861 km SSE of Unalaska, Alaska · 2050 days ago · 29 km deep · 33 km away
  45. 2.196 km SE of Akutan, Alaska · 2049 days ago · 42 km deep · 74 km away
  46. 2.074 km SSE of Akutan, Alaska · 2048 days ago · 41 km deep · 31 km away
  47. 2.037 km SE of Akutan, Alaska · 2048 days ago · 63 km deep · 76 km away
  48. 2.478 km ESE of Akutan, Alaska · 2048 days ago · 28 km deep · 87 km away
  49. 2.7Fox Islands, Aleutian Islands, Alaska · 2046 days ago · 35 km deep · 27 km away
  50. 2.091 km SE of Akutan, Alaska · 2045 days ago · 50 km deep · 72 km away
  51. 2.013 km ENE of Dutch Harbor, Alaska · 2045 days ago · 95 km deep · 87 km away
  52. 3.0135 km SSE of Unalaska, Alaska · 2043 days ago · 10 km deep · 49 km away
  53. 2.072 km SE of Unalaska, Alaska · 2042 days ago · 22 km deep · 18 km away
  54. 2.487 km SSE of Akutan, Alaska · 2041 days ago · 26 km deep · 30 km away
  55. 1.984 km S of Unalaska, Alaska · 2039 days ago · 5 km deep · 69 km away
  56. 3.374 km SSW of Unalaska, Alaska · 2039 days ago · 35 km deep · 78 km away
  57. 1.937 km E of Akutan, Alaska · 2039 days ago · 66 km deep · 93 km away
  58. 1.944 km SE of Akutan, Alaska · 2039 days ago · 52 km deep · 60 km away
  59. 2.1118 km S of Unalaska, Alaska · 2038 days ago · 6 km deep · 93 km away
  60. 2.1135 km S of Unalaska, Alaska · 2038 days ago · 37 km deep · 100 km away

The first 60 of 89.

Before

  1. 3.440 km ESE of Unalaska, Alaska · 2074 days ago · 72 km deep · 58 km away
  2. 2.548 km ESE of Akutan, Alaska · 2076 days ago · 47 km deep · 75 km away
  3. 1.929 km ESE of Unalaska, Alaska · 2076 days ago · 72 km deep · 63 km away
  4. 2.383 km SE of Akutan, Alaska · 2076 days ago · 63 km deep · 70 km away
  5. 2.077 km S of Unalaska, Alaska · 2077 days ago · 21 km deep · 72 km away
  6. 1.875 km SSE of Akutan, Alaska · 2078 days ago · 49 km deep · 32 km away
  7. 2.796 km SSW of Unalaska, Alaska · 2080 days ago · 32 km deep · 99 km away
  8. 3.6184 km SSE of Akutan, Alaska · 2080 days ago · 10 km deep · 96 km away
  9. 2.113 km SE of Akutan, Alaska · 2082 days ago · 78 km deep · 86 km away
  10. 2.3Fox Islands, Aleutian Islands, Alaska · 2084 days ago · 96 km deep · 60 km away
  11. 1.571 km SE of Unalaska, Alaska · 2084 days ago · 26 km deep · 21 km away
  12. 3.381 km S of Unalaska, Alaska · 2084 days ago · 35 km deep · 70 km away
  13. 3.181 km SE of Unalaska, Alaska · 2084 days ago · 35 km deep · 13 km away
  14. 1.855 km S of Akutan, Alaska · 2087 days ago · 25 km deep · 42 km away
  15. 1.9104 km ESE of Akutan, Alaska · 2087 days ago · 22 km deep · 100 km away
  16. 1.991 km SSE of Akutan, AK · 2088 days ago · 24 km deep · 43 km away
  17. 1.579 km SSE of Akutan, Alaska · 2088 days ago · 25 km deep · 35 km away
  18. 3.344 km ESE of Akutan, Alaska · 2088 days ago · 71 km deep · 78 km away
  19. 1.850 km ESE of Akutan, Alaska · 2091 days ago · 42 km deep · 93 km away
  20. 3.5114 km SSE of Akutan, Alaska · 2093 days ago · 10 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000ddpr (also filed as ak021x7ugq5). Read Thu, Sep 24, 2026, 7:00 AM UTC.