Alaska earthquakes

M1.8 earthquake 152 km WSW of Adak, Alaska

A magnitude 1.8 earthquake struck 152 km WSW of Adak, Alaska on Tue, Mar 9, 2021, 8:20 PM HAST (06:20 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M3.9 224 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.8 (ml), micro
Local time
UTC
2021-03-10 06:20:34 UTC
Depth
19.9 km (12.4 mi), shallow
Epicenter
51.145° N, 178.498° 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
22

Nearby

Within 100 km, magnitude 1.5 and up: 105 in the 60 days after this one and 74 in the 30 days before it.

After

  1. 1.5127 km WSW of Adak, Alaska · 2026 days ago · 18 km deep · 28 km away
  2. 1.584 km W of Adak, Alaska · 2026 days ago · 8 km deep · 93 km away
  3. 1.6103 km WSW of Adak, Alaska · 2026 days ago · 5 km deep · 55 km away
  4. 1.8133 km WSW of Adak, Alaska · 2026 days ago · 36 km deep · 26 km away
  5. 1.7176 km W of Adak, Alaska · 2026 days ago · 14 km deep · 83 km away
  6. 2.1179 km WSW of Adak, Alaska · 2026 days ago · 20 km deep · 42 km away
  7. 3.3190 km WSW of Adak, Alaska · 2026 days ago · 68 km deep · 70 km away
  8. 1.5133 km W of Adak, Alaska · 2025 days ago · 7 km deep · 58 km away
  9. 2.893 km SW of Adak, Alaska · 2024 days ago · 39 km deep · 62 km away
  10. 1.7111 km WSW of Adak, Alaska · 2024 days ago · 13 km deep · 51 km away
  11. 2.074 km SSW of Adak, Alaska · 2024 days ago · 51 km deep · 94 km away
  12. 1.871 km WSW of Adak, Alaska · 2023 days ago · 68 km deep · 88 km away
  13. 3.3Andreanof Islands, Aleutian Islands, Alaska · 2022 days ago · 35 km deep · 73 km away
  14. 3.0148 km SW of Adak, Alaska · 2021 days ago · 10 km deep · 15 km away
  15. 2.1140 km WSW of Adak, Alaska · 2021 days ago · 21 km deep · 12 km away
  16. 1.776 km WSW of Adak, Alaska · 2021 days ago · 13 km deep · 76 km away
  17. 1.9133 km WSW of Adak, Alaska · 2020 days ago · 4 km deep · 49 km away
  18. 1.9130 km WSW of Adak, Alaska · 2020 days ago · 58 km deep · 53 km away
  19. 2.2188 km WSW of Adak, Alaska · 2019 days ago · 6 km deep · 49 km away
  20. 1.992 km WSW of Adak, Alaska · 2019 days ago · 71 km deep · 67 km away
  21. 1.959 km WSW of Adak, Alaska · 2017 days ago · 67 km deep · 93 km away
  22. 3.0131 km WSW of Adak, Alaska · 2017 days ago · 29 km deep · 23 km away
  23. 1.7115 km WSW of Adak, Alaska · 2015 days ago · 8 km deep · 43 km away
  24. 1.6108 km WSW of Adak, Alaska · 2015 days ago · 4 km deep · 49 km away
  25. 3.081 km SW of Adak, Alaska · 2014 days ago · 55 km deep · 74 km away
  26. 2.2151 km WSW of Adak, Alaska · 2014 days ago · 17 km deep · 41 km away
  27. 1.999 km WSW of Adak, Alaska · 2014 days ago · 59 km deep · 59 km away
  28. 1.787 km W of Adak, Alaska · 2014 days ago · 5 km deep · 91 km away
  29. 1.9148 km WSW of Adak, Alaska · 2013 days ago · 30 km deep · 47 km away
  30. 1.776 km W of Adak, Alaska · 2013 days ago · 13 km deep · 94 km away
  31. 1.880 km W of Adak, Alaska · 2012 days ago · 9 km deep · 93 km away
  32. 1.9107 km WSW of Adak, Alaska · 2012 days ago · 7 km deep · 53 km away
  33. 1.9159 km WSW of Adak, Alaska · 2011 days ago · 19 km deep · 9 km away
  34. 1.772 km SSW of Adak, Alaska · 2011 days ago · 32 km deep · 97 km away
  35. 1.7126 km WSW of Adak, Alaska · 2011 days ago · 28 km deep · 45 km away
  36. 1.872 km SSW of Adak, Alaska · 2011 days ago · 40 km deep · 93 km away
  37. 3.1207 km WSW of Adak, Alaska · 2009 days ago · 10 km deep · 55 km away
  38. 3.9224 km WSW of Adak, Alaska · 2007 days ago · 51 km deep · 91 km away
  39. 2.694 km SW of Adak, Alaska · 2006 days ago · 33 km deep · 60 km away
  40. 3.1181 km WSW of Adak, Alaska · 2006 days ago · 35 km deep · 32 km away
  41. 1.975 km WSW of Adak, Alaska · 2006 days ago · 30 km deep · 77 km away
  42. 1.8123 km WSW of Adak, Alaska · 2006 days ago · 7 km deep · 55 km away
  43. 1.762 km SW of Adak, Alaska · 2004 days ago · 36 km deep · 98 km away
  44. 2.7Andreanof Islands, Aleutian Islands, Alaska · 2004 days ago · 65 km deep · 75 km away
  45. 1.9116 km SW of Adak, Alaska · 2003 days ago · 17 km deep · 41 km away
  46. 3.0144 km W of Adak, Alaska · 2003 days ago · 183 km deep · 97 km away
  47. 2.2203 km WSW of Adak, AK · 2001 days ago · 66 km deep · 75 km away
  48. 1.584 km WSW of Adak, Alaska · 2001 days ago · 43 km deep · 70 km away
  49. 3.1127 km WSW of Adak, Alaska · 2000 days ago · 10 km deep · 45 km away
  50. 3.2141 km WSW of Adak, Alaska · 2000 days ago · 10 km deep · 34 km away
  51. 1.680 km WSW of Adak, Alaska · 1999 days ago · 38 km deep · 72 km away
  52. 2.7212 km WSW of Adak, Alaska · 1999 days ago · 113 km deep · 91 km away
  53. 2.6137 km SW of Adak, Alaska · 1997 days ago · 10 km deep · 39 km away
  54. 2.0119 km SW of Adak, Alaska · 1997 days ago · 13 km deep · 36 km away
  55. 1.9109 km WSW of Adak, Alaska · 1997 days ago · 25 km deep · 50 km away
  56. 2.965 km WSW of Adak, Alaska · 1996 days ago · 82 km deep · 88 km away
  57. 3.5137 km SW of Adak, Alaska · 1995 days ago · 35 km deep · 24 km away
  58. 1.998 km SW of Adak, Alaska · 1994 days ago · 22 km deep · 65 km away
  59. 1.9102 km WSW of Adak, Alaska · 1991 days ago · 1 km deep · 55 km away
  60. 3.0204 km WSW of Adak, Alaska · 1989 days ago · 13 km deep · 52 km away

The first 60 of 105.

Before

  1. 1.9130 km WSW of Adak, Alaska · 2027 days ago · 45 km deep · 24 km away
  2. 1.9148 km SW of Adak, Alaska · 2028 days ago · 21 km deep · 5 km away
  3. 1.8122 km WSW of Adak, Alaska · 2028 days ago · 13 km deep · 51 km away
  4. 1.6117 km W of Adak, Alaska · 2028 days ago · 15 km deep · 77 km away
  5. 3.1123 km WSW of Adak, Alaska · 2028 days ago · 30 km deep · 29 km away
  6. 2.0119 km W of Adak, Alaska · 2028 days ago · 9 km deep · 81 km away
  7. 2.8113 km WSW of Adak, Alaska · 2030 days ago · 17 km deep · 41 km away
  8. 3.4213 km WSW of Adak, Alaska · 2032 days ago · 10 km deep · 65 km away
  9. 4.7211 km WSW of Adak, Alaska · 2034 days ago · 10 km deep · 59 km away
  10. 4.4217 km WSW of Adak, Alaska · 2034 days ago · 15 km deep · 65 km away
  11. 5.4185 km WSW of Adak, Alaska · 2036 days ago · 22 km deep · 34 km away · felt by 2 · tsunami flag
  12. 2.2191 km WSW of Adak, Alaska · 2036 days ago · 67 km deep · 60 km away
  13. 2.0116 km WSW of Adak, Alaska · 2037 days ago · 85 km deep · 58 km away
  14. 1.8128 km WSW of Adak, Alaska · 2037 days ago · 13 km deep · 54 km away
  15. 2.074 km WSW of Adak, Alaska · 2038 days ago · 66 km deep · 79 km away
  16. 2.0143 km WSW of Adak, Alaska · 2039 days ago · 25 km deep · 21 km away
  17. 1.587 km W of Adak, Alaska · 2040 days ago · 5 km deep · 89 km away
  18. 1.762 km SW of Adak, Alaska · 2041 days ago · 33 km deep · 92 km away
  19. 1.876 km SSW of Adak, Alaska · 2041 days ago · 36 km deep · 93 km away
  20. 1.9170 km W of Adak, Alaska · 2041 days ago · 5 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021367rwp5. Read Sat, Sep 26, 2026, 7:56 PM UTC.