Alaska earthquakes

M2.1 earthquake 121 km S of Unalaska, Alaska

A magnitude 2.1 earthquake struck 121 km S of Unalaska, Alaska on Wed, Dec 4, 2019, 6:06 AM AKST (15:06 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.0 156 km ESE of Nikolski, 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
2.1 (ml), micro
Local time
UTC
2019-12-04 15:06:01 UTC
Depth
13.3 km (8.3 mi), shallow
Epicenter
52.793° N, 166.751° 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
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 29 in the 30 days before it.

After

  1. 3.173 km S of Unalaska, Alaska · 2491 days ago · 31 km deep · 47 km away
  2. 1.572 km SSW of Unalaska, Alaska · 2490 days ago · 13 km deep · 61 km away
  3. 4.0156 km ESE of Nikolski, Alaska · 2487 days ago · 10 km deep · 47 km away
  4. 3.881 km ENE of Nikolski, Alaska · 2487 days ago · 56 km deep · 81 km away
  5. 1.967 km ESE of Nikolski, Alaska · 2486 days ago · 25 km deep · 77 km away
  6. 1.887 km SSW of Unalaska, Alaska · 2483 days ago · 17 km deep · 44 km away
  7. 2.756 km SW of Unalaska, Alaska · 2483 days ago · 68 km deep · 75 km away
  8. 2.4142 km ESE of Nikolski, Alaska · 2481 days ago · 26 km deep · 39 km away
  9. 3.051 km SSW of Unalaska, Alaska · 2475 days ago · 35 km deep · 77 km away
  10. 2.4102 km SE of Nikolski, Alaska · 2475 days ago · 38 km deep · 87 km away
  11. 3.885 km SSW of Unalaska, Alaska · 2473 days ago · 9 km deep · 56 km away
  12. 3.084 km S of Unalaska, Alaska · 2473 days ago · 32 km deep · 37 km away
  13. 3.292 km S of Unalaska, Alaska · 2469 days ago · 35 km deep · 30 km away
  14. 2.080 km SSW of Unalaska, Alaska · 2469 days ago · 18 km deep · 51 km away
  15. 2.093 km SW of Unalaska, Alaska · 2466 days ago · 55 km deep · 83 km away
  16. 2.566 km SSW of Unalaska, Alaska · 2461 days ago · 51 km deep · 56 km away
  17. 2.977 km ESE of Nikolski, Alaska · 2457 days ago · 35 km deep · 67 km away
  18. 3.9Fox Islands, Aleutian Islands, Alaska · 2457 days ago · 37 km deep · 44 km away
  19. 2.043 km SW of Unalaska, Alaska · 2454 days ago · 14 km deep · 94 km away
  20. 2.4130 km S of Unalaska, Alaska · 2454 days ago · 7 km deep · 9 km away
  21. 2.763 km S of Unalaska, Alaska · 2450 days ago · 57 km deep · 59 km away
  22. 2.182 km SSE of Unalaska, Alaska · 2450 days ago · 33 km deep · 79 km away
  23. 2.2107 km SE of Unalaska, Alaska · 2446 days ago · 44 km deep · 92 km away
  24. 3.367 km S of Unalaska, Alaska · 2446 days ago · 40 km deep · 55 km away
  25. 2.271 km SE of Unalaska, Alaska · 2444 days ago · 40 km deep · 95 km away
  26. 1.978 km SSW of Unalaska, Alaska · 2443 days ago · 43 km deep · 49 km away
  27. 1.861 km SW of Unalaska, Alaska · 2443 days ago · 25 km deep · 76 km away
  28. 1.6Fox Islands, Aleutian Islands, Alaska · 2442 days ago · 13 km deep · 78 km away
  29. 2.956 km SSE of Unalaska, Alaska · 2441 days ago · 61 km deep · 80 km away
  30. 2.982 km S of Unalaska, Alaska · 2439 days ago · 35 km deep · 39 km away
  31. 3.284 km ESE of Nikolski, Alaska · 2434 days ago · 35 km deep · 59 km away
  32. 2.880 km SE of Unalaska, Alaska · 2433 days ago · 35 km deep · 88 km away

Before

  1. 3.466 km SE of Unalaska, Alaska · 2493 days ago · 35 km deep · 90 km away
  2. 4.352 km S of Unalaska, Alaska · 2494 days ago · 61 km deep · 69 km away · felt by 9
  3. 2.868 km SSW of Unalaska, Alaska · 2494 days ago · 71 km deep · 60 km away
  4. 1.955 km S of Unalaska, Alaska · 2494 days ago · 57 km deep · 66 km away
  5. 2.388 km SSW of Unalaska, Alaska · 2494 days ago · 26 km deep · 42 km away
  6. 2.065 km SE of Unalaska, Alaska · 2496 days ago · 26 km deep · 93 km away
  7. 4.097 km SE of Nikolski, Alaska · 2497 days ago · 10 km deep · 91 km away
  8. 2.956 km SSW of Unalaska, Alaska · 2498 days ago · 9 km deep · 66 km away
  9. 1.874 km SE of Unalaska, Alaska · 2499 days ago · 25 km deep · 98 km away
  10. 2.3122 km S of Unalaska, Alaska · 2502 days ago · 26 km deep · 8 km away
  11. 3.362 km SE of Unalaska, Alaska · 2506 days ago · 35 km deep · 89 km away
  12. 2.578 km ESE of Nikolski, Alaska · 2506 days ago · 35 km deep · 69 km away
  13. 3.460 km SE of Unalaska, Alaska · 2510 days ago · 35 km deep · 87 km away
  14. 1.971 km SW of Unalaska, Alaska · 2511 days ago · 16 km deep · 75 km away
  15. 1.660 km SW of Unalaska, Alaska · 2512 days ago · 9 km deep · 94 km away
  16. 2.333 km SW of Unalaska, Alaska · 2512 days ago · 91 km deep · 93 km away
  17. 2.265 km SW of Unalaska, Alaska · 2513 days ago · 73 km deep · 81 km away
  18. 2.4172 km ESE of Nikolski, Alaska · 2514 days ago · 21 km deep · 65 km away
  19. 2.8159 km ESE of Nikolski, Alaska · 2514 days ago · 10 km deep · 46 km away
  20. 2.655 km S of Unalaska, Alaska · 2514 days ago · 54 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak019fj8m3mx. Read Wed, Sep 30, 2026, 4:11 AM UTC.