Alaska earthquakes

M1.9 earthquake 57 km SSE of Adak, Alaska

A magnitude 1.9 earthquake struck 57 km SSE of Adak, Alaska on Sun, Nov 19, 2017, 3:21 PM HAST (01:21 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M4.9 82 km SW of Atka, Alaska. This one was a foreshock.

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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
2017-11-20 01:21:23 UTC
Depth
23.7 km (14.7 mi), shallow
Epicenter
51.427° N, 176.205° 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
10

Nearby

Within 100 km, magnitude 1.5 and up: 152 in the 60 days after this one and 74 in the 30 days before it.

After

  1. 1.755 km S of Adak, Alaska · 3238 days ago · 35 km deep · 40 km away
  2. 2.057 km SSW of Adak, Alaska · 3237 days ago · 30 km deep · 51 km away
  3. 1.7Andreanof Islands, Aleutian Islands, Alaska · 3237 days ago · 25 km deep · 10 km away
  4. 2.141 km SW of Adak, Alaska · 3237 days ago · 50 km deep · 69 km away
  5. 2.624 km E of Adak, Alaska · 3237 days ago · 81 km deep · 49 km away
  6. 2.119 km SW of Adak, Alaska · 3236 days ago · 54 km deep · 54 km away
  7. 1.934 km SSE of Adak, Alaska · 3236 days ago · 42 km deep · 23 km away
  8. 1.950 km SW of Adak, Alaska · 3236 days ago · 45 km deep · 66 km away
  9. 1.836 km SSE of Adak, Alaska · 3236 days ago · 42 km deep · 21 km away
  10. 1.948 km SE of Adak, Alaska · 3236 days ago · 48 km deep · 16 km away
  11. 2.078 km SW of Adak, Alaska · 3236 days ago · 38 km deep · 88 km away
  12. 2.1116 km SE of Adak, Alaska · 3236 days ago · 26 km deep · 62 km away
  13. 2.376 km SSW of Adak, Alaska · 3235 days ago · 24 km deep · 68 km away
  14. 2.955 km SW of Adak, Alaska · 3235 days ago · 37 km deep · 61 km away
  15. 2.687 km SSE of Adak, Alaska · 3234 days ago · 27 km deep · 35 km away
  16. 2.443 km ENE of Adak, Alaska · 3234 days ago · 72 km deep · 64 km away
  17. 2.582 km SSE of Adak, Alaska · 3234 days ago · 26 km deep · 29 km away
  18. 1.744 km SSE of Adak, Alaska · 3232 days ago · 26 km deep · 15 km away
  19. 2.595 km SW of Adak, Alaska · 3232 days ago · 45 km deep · 94 km away
  20. 2.161 km SE of Adak, Alaska · 3232 days ago · 24 km deep · 16 km away
  21. 3.985 km E of Adak, Alaska · 3227 days ago · 84 km deep · 82 km away
  22. 2.236 km SSW of Adak, Alaska · 3226 days ago · 32 km deep · 48 km away
  23. 2.069 km SW of Atka, Alaska · 3226 days ago · 43 km deep · 96 km away
  24. 3.079 km SW of Adak, Alaska · 3226 days ago · 41 km deep · 84 km away
  25. 2.142 km SW of Adak, Alaska · 3226 days ago · 43 km deep · 59 km away
  26. 1.969 km WSW of Adak, Alaska · 3225 days ago · 40 km deep · 89 km away
  27. 2.287 km ESE of Adak, Alaska · 3225 days ago · 57 km deep · 46 km away
  28. 2.1145 km SE of Adak, Alaska · 3225 days ago · 2 km deep · 90 km away
  29. 1.879 km SW of Adak, Alaska · 3224 days ago · 50 km deep · 95 km away
  30. 2.479 km E of Adak, Alaska · 3223 days ago · 59 km deep · 61 km away
  31. 2.777 km SSE of Adak, Alaska · 3223 days ago · 35 km deep · 26 km away
  32. 1.858 km WSW of Adak, Alaska · 3223 days ago · 65 km deep · 89 km away
  33. 3.662 km NE of Adak, Alaska · 3222 days ago · 239 km deep · 88 km away
  34. 2.060 km SE of Adak, Alaska · 3222 days ago · 26 km deep · 5 km away
  35. 2.370 km SE of Adak, Alaska · 3222 days ago · 26 km deep · 14 km away
  36. 4.173 km ESE of Adak, Alaska · 3221 days ago · 39 km deep · 38 km away
  37. 2.366 km SSE of Adak, Alaska · 3221 days ago · 26 km deep · 8 km away
  38. 1.846 km SSW of Adak, Alaska · 3221 days ago · 40 km deep · 51 km away
  39. 2.931 km W of Adak, Alaska · 3220 days ago · 97 km deep · 81 km away
  40. 2.076 km SSE of Adak, Alaska · 3220 days ago · 9 km deep · 24 km away
  41. 1.975 km SSE of Adak, Alaska · 3220 days ago · 25 km deep · 20 km away
  42. 1.7Andreanof Islands, Aleutian Islands, Alaska · 3219 days ago · 31 km deep · 97 km away
  43. 4.042 km SE of Adak, Alaska · 3218 days ago · 47 km deep · 25 km away
  44. 2.459 km SSE of Adak, Alaska · 3218 days ago · 22 km deep · 1 km away
  45. 4.982 km SW of Atka, Alaska · 3218 days ago · 52 km deep · 81 km away
  46. 2.585 km SW of Atka, Alaska · 3218 days ago · 31 km deep · 85 km away
  47. 2.588 km SW of Atka, Alaska · 3218 days ago · 26 km deep · 85 km away
  48. 2.2Andreanof Islands, Aleutian Islands, Alaska · 3218 days ago · 40 km deep · 88 km away
  49. 2.186 km SW of Atka, Alaska · 3218 days ago · 49 km deep · 85 km away
  50. 2.3102 km SSE of Adak, Alaska · 3216 days ago · 6 km deep · 45 km away
  51. 2.831 km SSW of Adak, Alaska · 3215 days ago · 33 km deep · 45 km away
  52. 2.3Andreanof Islands, Aleutian Islands, Alaska · 3215 days ago · 23 km deep · 10 km away
  53. 2.244 km SSE of Adak, Alaska · 3215 days ago · 26 km deep · 13 km away
  54. 2.153 km ESE of Adak, Alaska · 3214 days ago · 54 km deep · 28 km away
  55. 3.072 km SW of Atka, Alaska · 3214 days ago · 53 km deep · 91 km away
  56. 1.831 km SSE of Adak, Alaska · 3214 days ago · 42 km deep · 27 km away
  57. 2.196 km SSW of Atka, Alaska · 3214 days ago · 26 km deep · 88 km away
  58. 2.065 km S of Adak, Alaska · 3214 days ago · 15 km deep · 27 km away
  59. 1.921 km SW of Adak, Alaska · 3214 days ago · 65 km deep · 59 km away
  60. 2.280 km ESE of Adak, Alaska · 3214 days ago · 25 km deep · 39 km away

The first 60 of 152.

Before

  1. 2.06 km SSE of Adak, Alaska · 3238 days ago · 71 km deep · 51 km away
  2. 2.477 km SE of Adak, Alaska · 3239 days ago · 13 km deep · 33 km away
  3. 2.042 km ESE of Adak, Alaska · 3239 days ago · 58 km deep · 29 km away
  4. 1.732 km SSW of Adak, Alaska · 3239 days ago · 45 km deep · 46 km away
  5. 2.3106 km S of Adak, Alaska · 3239 days ago · 11 km deep · 69 km away
  6. 2.0104 km ESE of Adak, Alaska · 3239 days ago · 41 km deep · 65 km away
  7. 2.467 km ENE of Adak, Alaska · 3240 days ago · 154 km deep · 81 km away
  8. 1.889 km SW of Adak, Alaska · 3240 days ago · 13 km deep · 98 km away
  9. 2.065 km ESE of Adak, Alaska · 3240 days ago · 55 km deep · 37 km away
  10. 1.975 km SW of Adak, Alaska · 3240 days ago · 44 km deep · 86 km away
  11. 1.8Andreanof Islands, Aleutian Islands, Alaska · 3241 days ago · 59 km deep · 52 km away
  12. 1.77 km NE of Adak, Alaska · 3241 days ago · 7 km deep · 61 km away
  13. 3.580 km SW of Atka, Alaska · 3241 days ago · 23 km deep · 90 km away
  14. 1.891 km SSW of Atka, Alaska · 3241 days ago · 26 km deep · 89 km away
  15. 2.191 km SSW of Atka, Alaska · 3242 days ago · 25 km deep · 91 km away
  16. 2.096 km SSW of Adak, Alaska · 3242 days ago · 17 km deep · 67 km away
  17. 2.099 km SSW of Adak, Alaska · 3242 days ago · 18 km deep · 70 km away
  18. 2.485 km SW of Atka, Alaska · 3242 days ago · 41 km deep · 90 km away
  19. 4.668 km SW of Atka, Alaska · 3242 days ago · 47 km deep · 96 km away
  20. 2.164 km SE of Adak, Alaska · 3242 days ago · 22 km deep · 27 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017evuuffr (also filed as ak17381052). Read Thu, Oct 1, 2026, 7:49 PM UTC.