Alaska earthquakes

M2.0 earthquake 135 km WSW of Adak, Alaska

A magnitude 2.0 earthquake struck 135 km WSW of Adak, Alaska on Tue, Feb 16, 2021, 11:10 AM HAST (21:10 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M5.6 209 km WSW of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.0 (ml), micro
Local time
UTC
2021-02-16 21:10:21 UTC
Depth
23.8 km (14.8 mi), shallow
Epicenter
51.265° N, 178.324° 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
20

Nearby

Within 100 km, magnitude 1.5 and up: 138 in the 60 days after this one and 63 in the 30 days before it.

After

  1. 1.856 km SW of Adak, Alaska · 2048 days ago · 57 km deep · 80 km away
  2. 1.681 km W of Adak, Alaska · 2048 days ago · 4 km deep · 74 km away
  3. 1.9126 km WSW of Adak, Alaska · 2048 days ago · 26 km deep · 9 km away
  4. 2.5122 km WSW of Adak, Alaska · 2048 days ago · 75 km deep · 30 km away
  5. 2.5193 km WSW of Adak, Alaska · 2047 days ago · 27 km deep · 64 km away
  6. 2.748 km WSW of Adak, Alaska · 2047 days ago · 81 km deep · 88 km away
  7. 3.8212 km WSW of Adak, Alaska · 2046 days ago · 31 km deep · 78 km away
  8. 2.8224 km WSW of Adak, Alaska · 2046 days ago · 26 km deep · 90 km away
  9. 2.260 km W of Adak, Alaska · 2046 days ago · 103 km deep · 97 km away
  10. 4.2227 km SW of Adak, Alaska · 2046 days ago · 10 km deep · 92 km away
  11. 5.6209 km WSW of Adak, Alaska · 2046 days ago · 19 km deep · 74 km away · tsunami flag
  12. 4.6199 km WSW of Adak, Alaska · 2046 days ago · 35 km deep · 65 km away · felt by 1
  13. 3.4216 km WSW of Adak, Alaska · 2046 days ago · 10 km deep · 81 km away
  14. 3.0217 km SW of Adak, Alaska · 2046 days ago · 10 km deep · 82 km away
  15. 2.2206 km WSW of Adak, Alaska · 2046 days ago · 7 km deep · 71 km away
  16. 3.5213 km WSW of Adak, Alaska · 2046 days ago · 10 km deep · 79 km away
  17. 3.5218 km WSW of Adak, Alaska · 2046 days ago · 10 km deep · 83 km away
  18. 3.6136 km WSW of Adak, Alaska · 2046 days ago · 19 km deep · 6 km away
  19. 3.8228 km WSW of Adak, Alaska · 2046 days ago · 10 km deep · 93 km away
  20. 3.0208 km WSW of Adak, Alaska · 2046 days ago · 16 km deep · 73 km away
  21. 3.9180 km WSW of Adak, Alaska · 2046 days ago · 37 km deep · 47 km away
  22. 2.1204 km WSW of Adak, Alaska · 2046 days ago · 8 km deep · 69 km away
  23. 3.1234 km WSW of Adak, Alaska · 2045 days ago · 10 km deep · 100 km away
  24. 4.0218 km WSW of Adak, Alaska · 2045 days ago · 10 km deep · 83 km away
  25. 4.1211 km WSW of Adak, Alaska · 2045 days ago · 35 km deep · 77 km away
  26. 1.8179 km WSW of Adak, Alaska · 2045 days ago · 13 km deep · 49 km away
  27. 2.9213 km WSW of Adak, Alaska · 2045 days ago · 13 km deep · 78 km away
  28. 1.856 km SW of Adak, Alaska · 2045 days ago · 30 km deep · 80 km away
  29. 2.4109 km W of Adak, Alaska · 2045 days ago · 188 km deep · 49 km away
  30. 1.9117 km WSW of Adak, Alaska · 2044 days ago · 27 km deep · 21 km away
  31. 1.964 km SSW of Adak, Alaska · 2044 days ago · 27 km deep · 90 km away
  32. 2.1111 km W of Adak, Alaska · 2044 days ago · 80 km deep · 54 km away
  33. 1.7126 km WSW of Adak, Alaska · 2044 days ago · 13 km deep · 41 km away
  34. 2.781 km WSW of Adak, Alaska · 2044 days ago · 79 km deep · 59 km away
  35. 4.8220 km WSW of Adak, Alaska · 2044 days ago · 10 km deep · 85 km away
  36. 3.7225 km WSW of Adak, Alaska · 2044 days ago · 10 km deep · 90 km away
  37. 2.899 km WSW of Adak, Alaska · 2044 days ago · 34 km deep · 36 km away
  38. 2.8234 km WSW of Adak, Alaska · 2043 days ago · 24 km deep · 99 km away
  39. 3.9222 km WSW of Adak, Alaska · 2043 days ago · 22 km deep · 88 km away
  40. 1.9134 km SW of Adak, Alaska · 2043 days ago · 41 km deep · 17 km away
  41. 1.845 km SW of Adak, Alaska · 2042 days ago · 63 km deep · 92 km away
  42. 1.8139 km WSW of Adak, Alaska · 2042 days ago · 25 km deep · 7 km away
  43. 2.893 km WSW of Adak, Alaska · 2042 days ago · 35 km deep · 42 km away
  44. 2.2169 km WSW of Adak, Alaska · 2042 days ago · 20 km deep · 34 km away
  45. 1.9170 km W of Adak, Alaska · 2042 days ago · 5 km deep · 77 km away
  46. 1.876 km SSW of Adak, Alaska · 2042 days ago · 36 km deep · 80 km away
  47. 1.762 km SW of Adak, Alaska · 2041 days ago · 33 km deep · 75 km away
  48. 1.587 km W of Adak, Alaska · 2041 days ago · 5 km deep · 72 km away
  49. 2.0143 km WSW of Adak, Alaska · 2040 days ago · 25 km deep · 15 km away
  50. 2.074 km WSW of Adak, Alaska · 2039 days ago · 66 km deep · 61 km away
  51. 1.763 km SSW of Adak, Alaska · 2039 days ago · 27 km deep · 94 km away
  52. 1.8128 km WSW of Adak, Alaska · 2038 days ago · 13 km deep · 41 km away
  53. 2.0116 km WSW of Adak, Alaska · 2037 days ago · 85 km deep · 43 km away
  54. 2.2191 km WSW of Adak, Alaska · 2037 days ago · 67 km deep · 68 km away
  55. 5.4185 km WSW of Adak, Alaska · 2037 days ago · 22 km deep · 50 km away · felt by 2 · tsunami flag
  56. 4.4217 km WSW of Adak, Alaska · 2035 days ago · 15 km deep · 82 km away
  57. 4.7211 km WSW of Adak, Alaska · 2035 days ago · 10 km deep · 76 km away
  58. 2.655 km SSW of Adak, Alaska · 2034 days ago · 35 km deep · 95 km away
  59. 3.4213 km WSW of Adak, Alaska · 2033 days ago · 10 km deep · 79 km away
  60. 1.952 km SSW of Adak, Alaska · 2032 days ago · 37 km deep · 100 km away

The first 60 of 138.

Before

  1. 2.678 km SW of Adak, Alaska · 2049 days ago · 41 km deep · 59 km away
  2. 3.9139 km WSW of Adak, Alaska · 2049 days ago · 35 km deep · 7 km away
  3. 1.861 km SSW of Adak, Alaska · 2049 days ago · 33 km deep · 87 km away
  4. 1.649 km SSW of Adak, Alaska · 2050 days ago · 27 km deep · 96 km away
  5. 3.5173 km WSW of Adak, Alaska · 2050 days ago · 10 km deep · 61 km away
  6. 2.3134 km SW of Adak, Alaska · 2050 days ago · 28 km deep · 48 km away
  7. 3.3Andreanof Islands, Aleutian Islands, Alaska · 2051 days ago · 35 km deep · 64 km away
  8. 4.8184 km WSW of Adak, Alaska · 2051 days ago · 23 km deep · 65 km away
  9. 1.581 km WSW of Adak, Alaska · 2053 days ago · 25 km deep · 54 km away
  10. 2.8150 km WSW of Adak, Alaska · 2053 days ago · 32 km deep · 17 km away
  11. 1.753 km W of Adak, Alaska · 2053 days ago · -2 km deep · 90 km away
  12. 1.848 km SW of Adak, Alaska · 2055 days ago · 45 km deep · 92 km away
  13. 2.575 km SSW of Adak, Alaska · 2056 days ago · 35 km deep · 86 km away
  14. 2.8154 km SW of Adak, Alaska · 2056 days ago · 31 km deep · 21 km away
  15. 1.9110 km SW of Adak, Alaska · 2058 days ago · 45 km deep · 26 km away
  16. 1.863 km SSW of Adak, Alaska · 2059 days ago · 35 km deep · 97 km away
  17. 3.9112 km SW of Adak, Alaska · 2059 days ago · 42 km deep · 26 km away
  18. 1.786 km WSW of Adak, Alaska · 2060 days ago · 48 km deep · 49 km away
  19. 3.0103 km SW of Adak, Alaska · 2060 days ago · 30 km deep · 52 km away
  20. 1.787 km WSW of Adak, Alaska · 2060 days ago · 44 km deep · 49 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021262tlrn. Read Sun, Sep 27, 2026, 2:19 PM UTC.