Alaska earthquakes

M1.6 earthquake 59 km SSW of Unalaska, Alaska

A magnitude 1.6 earthquake struck 59 km SSW of Unalaska, Alaska on Sat, May 23, 2020, 9:33 AM AKDT (17:33 UTC), 51 km (32 mi) below the surface.

A larger quake followed: M4.5 23 km W of Dutch Harbor, 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
1.6 (ml), micro
Local time
UTC
2020-05-23 17:33:44 UTC
Depth
51.2 km (31.8 mi), shallow
Epicenter
53.388° N, 166.923° 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
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 178 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 1.8124 km S of Unalaska, Alaska · 2321 days ago · 12 km deep · 69 km away
  2. 1.9122 km SSW of Unalaska, Alaska · 2320 days ago · 5 km deep · 65 km away
  3. 2.918 km N of Dutch Harbor, Alaska · 2316 days ago · 138 km deep · 79 km away
  4. 2.378 km SSW of Unalaska, Alaska · 2314 days ago · 22 km deep · 25 km away
  5. 2.5144 km ESE of Nikolski, Alaska · 2313 days ago · 9 km deep · 93 km away
  6. 3.791 km SSW of Unalaska, Alaska · 2312 days ago · 40 km deep · 32 km away
  7. 2.190 km SSW of Unalaska, Alaska · 2312 days ago · 87 km deep · 31 km away
  8. 1.558 km SE of Unalaska, Alaska · 2312 days ago · 46 km deep · 77 km away
  9. 1.8Fox Islands, Aleutian Islands, Alaska · 2311 days ago · 9 km deep · 25 km away
  10. 1.655 km SW of Unalaska, Alaska · 2310 days ago · 7 km deep · 28 km away
  11. 1.973 km SE of Unalaska, Alaska · 2309 days ago · 44 km deep · 76 km away
  12. 1.792 km SW of Unalaska, Alaska · 2308 days ago · 77 km deep · 37 km away
  13. 1.780 km S of Unalaska, Alaska · 2307 days ago · 36 km deep · 30 km away
  14. 1.780 km SSW of Unalaska, Alaska · 2306 days ago · 26 km deep · 25 km away
  15. 2.171 km SSW of Unalaska, Alaska · 2306 days ago · 46 km deep · 15 km away
  16. 1.777 km SSW of Unalaska, Alaska · 2306 days ago · 26 km deep · 22 km away
  17. 2.177 km SSW of Unalaska, Alaska · 2306 days ago · 42 km deep · 20 km away
  18. 2.815 km WSW of Akutan, Alaska · 2306 days ago · 6 km deep · 99 km away
  19. 1.980 km SSW of Unalaska, Alaska · 2306 days ago · 26 km deep · 24 km away
  20. 2.974 km ESE of Nikolski, Alaska · 2302 days ago · 35 km deep · 88 km away
  21. 2.584 km S of Unalaska, Alaska · 2301 days ago · 35 km deep · 30 km away
  22. 3.199 km E of Nikolski, Alaska · 2300 days ago · 24 km deep · 61 km away
  23. 2.694 km E of Nikolski, Alaska · 2300 days ago · 35 km deep · 57 km away
  24. 1.799 km ESE of Nikolski, Alaska · 2299 days ago · 18 km deep · 78 km away
  25. 1.655 km SW of Unalaska, Alaska · 2299 days ago · 8 km deep · 21 km away
  26. 4.523 km W of Dutch Harbor, Alaska · 2298 days ago · 11 km deep · 59 km away · felt by 12
  27. 2.214 km WSW of Dutch Harbor, Alaska · 2298 days ago · 8 km deep · 54 km away
  28. 4.113 km W of Dutch Harbor, Alaska · 2298 days ago · 9 km deep · 57 km away · felt by 2
  29. 1.514 km W of Dutch Harbor, Alaska · 2298 days ago · 13 km deep · 55 km away
  30. 1.613 km WSW of Dutch Harbor, Alaska · 2298 days ago · 5 km deep · 53 km away
  31. 1.514 km WSW of Dutch Harbor, Alaska · 2298 days ago · 7 km deep · 53 km away
  32. 1.915 km WSW of Dutch Harbor, Alaska · 2298 days ago · 7 km deep · 52 km away
  33. 1.913 km WSW of Dutch Harbor, Alaska · 2298 days ago · 5 km deep · 53 km away
  34. 1.615 km WSW of Dutch Harbor, Alaska · 2298 days ago · 9 km deep · 52 km away
  35. 1.7Fox Islands, Aleutian Islands, Alaska · 2298 days ago · 5 km deep · 52 km away
  36. 1.814 km WSW of Dutch Harbor, Alaska · 2298 days ago · 8 km deep · 53 km away
  37. 1.615 km W of Dutch Harbor, Alaska · 2298 days ago · 6 km deep · 55 km away
  38. 1.813 km WSW of Dutch Harbor, Alaska · 2298 days ago · 8 km deep · 54 km away
  39. 1.615 km WSW of Dutch Harbor, Alaska · 2298 days ago · 6 km deep · 53 km away
  40. 3.816 km SW of Unalaska, Alaska · 2298 days ago · 10 km deep · 45 km away
  41. 1.614 km WSW of Dutch Harbor, Alaska · 2298 days ago · 8 km deep · 52 km away
  42. 1.515 km WSW of Dutch Harbor, Alaska · 2298 days ago · 8 km deep · 52 km away
  43. 1.513 km WSW of Dutch Harbor, Alaska · 2298 days ago · 7 km deep · 53 km away
  44. 1.813 km WSW of Dutch Harbor, Alaska · 2298 days ago · 7 km deep · 53 km away
  45. 1.614 km WSW of Unalaska, Alaska · 2298 days ago · 9 km deep · 51 km away
  46. 1.514 km WSW of Unalaska, Alaska · 2298 days ago · 9 km deep · 52 km away
  47. 1.715 km WSW of Dutch Harbor, Alaska · 2298 days ago · 6 km deep · 53 km away
  48. 1.7Fox Islands, Aleutian Islands, Alaska · 2297 days ago · 8 km deep · 53 km away
  49. 1.813 km WSW of Unalaska, Alaska · 2297 days ago · 9 km deep · 50 km away
  50. 1.6Fox Islands, Aleutian Islands, Alaska · 2297 days ago · 9 km deep · 54 km away
  51. 1.514 km WSW of Dutch Harbor, Alaska · 2297 days ago · 8 km deep · 53 km away
  52. 1.713 km WSW of Unalaska, Alaska · 2297 days ago · 8 km deep · 50 km away
  53. 1.614 km WSW of Dutch Harbor, Alaska · 2297 days ago · 9 km deep · 53 km away
  54. 1.614 km WSW of Dutch Harbor, Alaska · 2297 days ago · 9 km deep · 53 km away
  55. 2.517 km WSW of Unalaska, Alaska · 2297 days ago · 10 km deep · 49 km away
  56. 1.614 km WSW of Dutch Harbor, Alaska · 2297 days ago · 9 km deep · 52 km away
  57. 1.716 km WSW of Unalaska, Alaska · 2297 days ago · 9 km deep · 50 km away
  58. 1.717 km WSW of Unalaska, Alaska · 2297 days ago · 10 km deep · 49 km away
  59. 1.714 km WSW of Dutch Harbor, Alaska · 2297 days ago · 8 km deep · 52 km away
  60. 1.615 km WSW of Dutch Harbor, Alaska · 2297 days ago · 8 km deep · 53 km away

The first 60 of 178.

Before

  1. 2.524 km SE of Unalaska, Alaska · 2321 days ago · 75 km deep · 54 km away
  2. 2.0100 km S of Unalaska, Alaska · 2326 days ago · 3 km deep · 48 km away
  3. 2.539 km SE of Unalaska, Alaska · 2328 days ago · 39 km deep · 57 km away
  4. 2.886 km SSE of Unalaska, Alaska · 2328 days ago · 35 km deep · 59 km away
  5. 1.679 km S of Unalaska, Alaska · 2329 days ago · 26 km deep · 28 km away
  6. 1.6108 km E of Nikolski, Alaska · 2329 days ago · 20 km deep · 61 km away
  7. 1.864 km SE of Unalaska, Alaska · 2330 days ago · 52 km deep · 65 km away
  8. 2.080 km SSW of Unalaska, Alaska · 2330 days ago · 78 km deep · 23 km away
  9. 2.228 km SW of Unalaska, Alaska · 2331 days ago · 112 km deep · 38 km away
  10. 3.877 km E of Nikolski, Alaska · 2332 days ago · 37 km deep · 77 km away
  11. 1.833 km SSE of Akutan, Alaska · 2332 days ago · 62 km deep · 98 km away
  12. 1.9Fox Islands, Aleutian Islands, Alaska · 2333 days ago · 26 km deep · 40 km away
  13. 2.575 km E of Nikolski, Alaska · 2340 days ago · 34 km deep · 66 km away
  14. 2.181 km SSW of Unalaska, Alaska · 2342 days ago · 45 km deep · 24 km away
  15. 1.652 km ESE of Unalaska, Alaska · 2342 days ago · 52 km deep · 75 km away
  16. 1.859 km ENE of Nikolski, Alaska · 2343 days ago · 99 km deep · 79 km away
  17. 2.785 km SSW of Unalaska, Alaska · 2344 days ago · 35 km deep · 28 km away
  18. 1.849 km S of Akutan, Alaska · 2344 days ago · 50 km deep · 92 km away
  19. 3.759 km S of Unalaska, Alaska · 2347 days ago · 95 km deep · 29 km away
  20. 3.593 km E of Nikolski, Alaska · 2348 days ago · 29 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0206mfpikc. Read Wed, Sep 30, 2026, 3:05 PM UTC.