Alaska earthquakes

M1.9 earthquake 51 km SW of Unalaska, Alaska

A magnitude 1.9 earthquake struck 51 km SW of Unalaska, Alaska on Tue, Mar 17, 2020, 4:58 AM AKDT (12:58 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.8 35 km SE of Unalaska, Alaska. This one was a foreshock.

Unalaska forecastMore in Alaska

Map

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
2020-03-17 12:58:07 UTC
Depth
13.2 km (8.2 mi), shallow
Epicenter
53.578° N, 167.126° 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
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 50 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 1.761 km SW of Unalaska, Alaska · 2385 days ago · 8 km deep · 12 km away
  2. 1.884 km S of Unalaska, Alaska · 2384 days ago · 19 km deep · 61 km away
  3. 2.074 km E of Nikolski, Alaska · 2381 days ago · 28 km deep · 79 km away
  4. 1.769 km SW of Unalaska, Alaska · 2381 days ago · 17 km deep · 20 km away
  5. 2.531 km SE of Unalaska, Alaska · 2379 days ago · 79 km deep · 64 km away
  6. 2.132 km S of Akutan, Alaska · 2379 days ago · 63 km deep · 88 km away
  7. 2.047 km SE of Unalaska, Alaska · 2378 days ago · 60 km deep · 67 km away
  8. 2.851 km S of Akutan, Alaska · 2378 days ago · 71 km deep · 93 km away
  9. 2.962 km SW of Unalaska, Alaska · 2377 days ago · 10 km deep · 18 km away
  10. 4.835 km SE of Unalaska, Alaska · 2377 days ago · 87 km deep · 61 km away · felt by 6
  11. 1.971 km SE of Unalaska, Alaska · 2376 days ago · 29 km deep · 93 km away
  12. 1.991 km E of Nikolski, Alaska · 2374 days ago · 45 km deep · 70 km away
  13. 2.845 km SE of Unalaska, Alaska · 2373 days ago · 44 km deep · 65 km away
  14. 2.26 km WSW of Unalaska, Alaska · 2371 days ago · 99 km deep · 45 km away
  15. 3.273 km SW of Unalaska, Alaska · 2368 days ago · 8 km deep · 22 km away
  16. 2.1Fox Islands, Aleutian Islands, Alaska · 2368 days ago · 7 km deep · 6 km away
  17. 1.534 km SE of Unalaska, Alaska · 2368 days ago · 37 km deep · 63 km away
  18. 2.1Fox Islands, Aleutian Islands, Alaska · 2367 days ago · 72 km deep · 99 km away
  19. 1.879 km S of Unalaska, Alaska · 2367 days ago · 20 km deep · 60 km away
  20. 3.581 km SW of Unalaska, Alaska · 2365 days ago · 70 km deep · 32 km away
  21. 1.9114 km SSW of Unalaska, Alaska · 2364 days ago · 26 km deep · 76 km away
  22. 2.979 km SE of Unalaska, Alaska · 2362 days ago · 24 km deep · 95 km away
  23. 2.887 km ENE of Nikolski, Alaska · 2362 days ago · 63 km deep · 49 km away
  24. 1.563 km SE of Unalaska, Alaska · 2361 days ago · 38 km deep · 84 km away
  25. 2.181 km SSW of Unalaska, Alaska · 2360 days ago · 33 km deep · 49 km away
  26. 1.648 km SW of Unalaska, Alaska · 2360 days ago · 14 km deep · 8 km away
  27. 4.427 km S of Unalaska, Alaska · 2360 days ago · 75 km deep · 45 km away
  28. 1.9101 km E of Nikolski, Alaska · 2356 days ago · 12 km deep · 69 km away
  29. 1.676 km SW of Unalaska, Alaska · 2355 days ago · 13 km deep · 26 km away
  30. 1.925 km S of Unalaska, Alaska · 2354 days ago · 80 km deep · 36 km away
  31. 1.885 km SSW of Unalaska, Alaska · 2354 days ago · 36 km deep · 50 km away
  32. 1.928 km E of Unalaska, Alaska · 2352 days ago · 77 km deep · 77 km away
  33. 3.1Fox Islands, Aleutian Islands, Alaska · 2350 days ago · 7 km deep · 92 km away
  34. 3.197 km WNW of Dutch Harbor, Alaska · 2350 days ago · 10 km deep · 95 km away
  35. 3.792 km ESE of Nikolski, Alaska · 2349 days ago · 35 km deep · 95 km away
  36. 3.593 km E of Nikolski, Alaska · 2349 days ago · 29 km deep · 75 km away
  37. 3.759 km S of Unalaska, Alaska · 2349 days ago · 95 km deep · 50 km away
  38. 1.849 km S of Akutan, Alaska · 2346 days ago · 50 km deep · 99 km away
  39. 2.785 km SSW of Unalaska, Alaska · 2346 days ago · 35 km deep · 52 km away
  40. 1.859 km ENE of Nikolski, Alaska · 2345 days ago · 99 km deep · 80 km away
  41. 1.652 km ESE of Unalaska, Alaska · 2344 days ago · 52 km deep · 84 km away
  42. 2.181 km SSW of Unalaska, Alaska · 2343 days ago · 45 km deep · 48 km away
  43. 2.575 km E of Nikolski, Alaska · 2341 days ago · 34 km deep · 71 km away
  44. 1.9Fox Islands, Aleutian Islands, Alaska · 2334 days ago · 26 km deep · 65 km away
  45. 3.877 km E of Nikolski, Alaska · 2333 days ago · 37 km deep · 86 km away
  46. 2.228 km SW of Unalaska, Alaska · 2332 days ago · 112 km deep · 23 km away
  47. 2.080 km SSW of Unalaska, Alaska · 2332 days ago · 78 km deep · 34 km away
  48. 1.864 km SE of Unalaska, Alaska · 2331 days ago · 52 km deep · 80 km away
  49. 1.6108 km E of Nikolski, Alaska · 2331 days ago · 20 km deep · 79 km away
  50. 1.679 km S of Unalaska, Alaska · 2330 days ago · 26 km deep · 53 km away

Before

  1. 2.976 km S of Unalaska, Alaska · 2394 days ago · 35 km deep · 52 km away
  2. 1.633 km ESE of Unalaska, Alaska · 2396 days ago · 29 km deep · 70 km away
  3. 3.188 km E of Nikolski, Alaska · 2397 days ago · 35 km deep · 82 km away
  4. 2.576 km SE of Unalaska, Alaska · 2397 days ago · 35 km deep · 89 km away
  5. 1.771 km SE of Unalaska, Alaska · 2398 days ago · 23 km deep · 96 km away
  6. 2.153 km SW of Unalaska, Alaska · 2401 days ago · 16 km deep · 2 km away
  7. 2.230 km ENE of Unalaska, Alaska · 2401 days ago · 79 km deep · 79 km away
  8. 2.035 km ESE of Unalaska, Alaska · 2404 days ago · 78 km deep · 77 km away
  9. 3.668 km SE of Unalaska, Alaska · 2407 days ago · 35 km deep · 84 km away
  10. 3.366 km SE of Unalaska, Alaska · 2408 days ago · 41 km deep · 83 km away
  11. 2.063 km WSW of Unalaska, Alaska · 2410 days ago · 10 km deep · 15 km away
  12. 1.882 km SSW of Unalaska, Alaska · 2410 days ago · 15 km deep · 52 km away
  13. 1.754 km SW of Unalaska, Alaska · 2411 days ago · 14 km deep · 5 km away
  14. 2.969 km SE of Unalaska, Alaska · 2413 days ago · 35 km deep · 94 km away
  15. 2.571 km SW of Unalaska, Alaska · 2414 days ago · 64 km deep · 25 km away
  16. 1.874 km WSW of Unalaska, Alaska · 2414 days ago · 6 km deep · 33 km away
  17. 1.874 km SW of Unalaska, Alaska · 2414 days ago · 10 km deep · 23 km away
  18. 3.159 km S of Unalaska, Alaska · 2416 days ago · 48 km deep · 50 km away
  19. 1.64 km N of Dutch Harbor, Alaska · 2417 days ago · 7 km deep · 54 km away
  20. 3.848 km S of Akutan, Alaska · 2417 days ago · 70 km deep · 89 km away

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From the USGS Earthquake Hazards Program and its partner networks, event ak0203jjvdbl. Read Fri, Oct 2, 2026, 6:50 AM UTC.