Alaska earthquakes

M3.3 earthquake 241 km SSE of Chiniak, Alaska

A magnitude 3.3 earthquake struck 241 km SSE of Chiniak, Alaska on Thu, Dec 20, 2018, 9:45 PM AKST (06:45 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.6 271 km SE of Chiniak, 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
3.3 (ml), minor
Local time
UTC
2018-12-21 06:45:31 UTC
Depth
9.8 km (6.1 mi), shallow
Epicenter
55.821° N, 150.043° 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
51

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 144 in the 60 days after this one and 84 in the 30 days before it.

After

  1. 3.0277 km SE of Chiniak, Alaska · 2839 days ago · 12 km deep · 79 km away
  2. 3.2232 km SE of Chiniak, Alaska · 2839 days ago · 12 km deep · 36 km away
  3. 2.9248 km SE of Chiniak, Alaska · 2839 days ago · 11 km deep · 47 km away
  4. 3.1230 km SE of Chiniak, Alaska · 2839 days ago · 5 km deep · 86 km away
  5. 3.2273 km SE of Chiniak, Alaska · 2838 days ago · 12 km deep · 64 km away
  6. 2.8247 km SE of Chiniak, Alaska · 2838 days ago · 13 km deep · 24 km away
  7. 3.1231 km SE of Chiniak, Alaska · 2838 days ago · 5 km deep · 62 km away
  8. 3.1239 km SE of Chiniak, Alaska · 2837 days ago · 12 km deep · 42 km away
  9. 3.1Gulf of Alaska · 2837 days ago · 11 km deep · 27 km away
  10. 2.9295 km SE of Chiniak, Alaska · 2837 days ago · 10 km deep · 66 km away
  11. 2.9Gulf of Alaska · 2837 days ago · 12 km deep · 79 km away
  12. 2.7254 km SE of Chiniak, Alaska · 2837 days ago · 12 km deep · 42 km away
  13. 2.6243 km SE of Chiniak, Alaska · 2836 days ago · 4 km deep · 42 km away
  14. 3.0282 km SE of Chiniak, Alaska · 2836 days ago · 12 km deep · 59 km away
  15. 2.8Gulf of Alaska · 2833 days ago · 11 km deep · 44 km away
  16. 2.9253 km SE of Chiniak, Alaska · 2832 days ago · 12 km deep · 61 km away
  17. 4.6271 km SE of Chiniak, Alaska · 2831 days ago · 23 km deep · 100 km away · tsunami flag
  18. 2.8284 km SE of Chiniak, Alaska · 2829 days ago · 2 km deep · 63 km away
  19. 3.4287 km SE of Chiniak, Alaska · 2829 days ago · 12 km deep · 68 km away
  20. 3.9265 km SE of Chiniak, Alaska · 2829 days ago · 8 km deep · 56 km away
  21. 3.2269 km SE of Chiniak, Alaska · 2828 days ago · 4 km deep · 60 km away
  22. 3.3283 km SE of Chiniak, Alaska · 2828 days ago · 11 km deep · 66 km away
  23. 3.2248 km SE of Chiniak, Alaska · 2828 days ago · 10 km deep · 79 km away
  24. 3.1251 km SE of Chiniak, Alaska · 2828 days ago · 11 km deep · 23 km away
  25. 3.2227 km SE of Chiniak, Alaska · 2828 days ago · 10 km deep · 66 km away
  26. 3.5279 km SE of Chiniak, Alaska · 2827 days ago · 7 km deep · 52 km away
  27. 3.0256 km SE of Chiniak, Alaska · 2827 days ago · 12 km deep · 53 km away
  28. 3.2271 km SE of Chiniak, Alaska · 2826 days ago · 23 km deep · 99 km away
  29. 2.6244 km SE of Chiniak, Alaska · 2826 days ago · 0 km deep · 71 km away
  30. 2.4265 km SSE of Chiniak, Alaska · 2826 days ago · 12 km deep · 24 km away
  31. 2.6247 km SE of Chiniak, Alaska · 2825 days ago · 8 km deep · 64 km away
  32. 3.1276 km SE of Chiniak, Alaska · 2825 days ago · 9 km deep · 46 km away
  33. 2.8284 km SE of Chiniak, Alaska · 2825 days ago · 12 km deep · 60 km away
  34. 2.7262 km SE of Chiniak, Alaska · 2824 days ago · 12 km deep · 83 km away
  35. 2.7Gulf of Alaska · 2824 days ago · 12 km deep · 74 km away
  36. 2.6246 km SE of Chiniak, Alaska · 2824 days ago · 12 km deep · 39 km away
  37. 3.5239 km SE of Chiniak, Alaska · 2824 days ago · 23 km deep · 62 km away
  38. 2.6247 km SE of Chiniak, Alaska · 2824 days ago · 4 km deep · 8 km away
  39. 3.0237 km SE of Chiniak, Alaska · 2823 days ago · 10 km deep · 25 km away
  40. 3.0244 km SE of Chiniak, Alaska · 2823 days ago · 21 km deep · 59 km away
  41. 3.1239 km SE of Chiniak, Alaska · 2823 days ago · 20 km deep · 60 km away
  42. 2.7251 km SE of Chiniak, Alaska · 2822 days ago · 9 km deep · 65 km away
  43. 3.1258 km SE of Chiniak, Alaska · 2822 days ago · 10 km deep · 59 km away
  44. 2.7220 km SE of Chiniak, Alaska · 2821 days ago · 2 km deep · 32 km away
  45. 2.7257 km SE of Chiniak, Alaska · 2821 days ago · 7 km deep · 73 km away
  46. 2.7252 km SE of Chiniak, Alaska · 2821 days ago · 10 km deep · 49 km away
  47. 3.2231 km SE of Chiniak, Alaska · 2821 days ago · 22 km deep · 43 km away
  48. 3.2239 km SE of Chiniak, Alaska · 2821 days ago · 20 km deep · 31 km away
  49. 2.8279 km SE of Chiniak, Alaska · 2821 days ago · 12 km deep · 67 km away
  50. 2.6248 km SE of Chiniak, Alaska · 2820 days ago · 2 km deep · 48 km away
  51. 2.7248 km SE of Chiniak, Alaska · 2820 days ago · 21 km deep · 26 km away
  52. 2.8248 km SE of Chiniak, Alaska · 2820 days ago · 12 km deep · 30 km away
  53. 3.0Gulf of Alaska · 2820 days ago · 12 km deep · 83 km away
  54. 3.0236 km SE of Chiniak, Alaska · 2819 days ago · 10 km deep · 56 km away
  55. 2.7248 km SE of Chiniak, Alaska · 2818 days ago · 3 km deep · 77 km away
  56. 2.9Gulf of Alaska · 2818 days ago · 10 km deep · 95 km away
  57. 3.2Gulf of Alaska · 2817 days ago · 12 km deep · 71 km away
  58. 2.7242 km SE of Chiniak, Alaska · 2814 days ago · 13 km deep · 34 km away
  59. 2.8253 km SE of Chiniak, Alaska · 2814 days ago · 10 km deep · 33 km away
  60. 2.7243 km SE of Chiniak, Alaska · 2814 days ago · 8 km deep · 34 km away

The first 60 of 144.

Before

  1. 3.4255 km SE of Chiniak, Alaska · 2841 days ago · 21 km deep · 59 km away
  2. 3.1242 km SE of Chiniak, Alaska · 2842 days ago · 8 km deep · 71 km away
  3. 3.0248 km SE of Chiniak, Alaska · 2843 days ago · 12 km deep · 61 km away
  4. 3.2231 km SE of Chiniak, Alaska · 2843 days ago · 7 km deep · 43 km away
  5. 2.8242 km SE of Chiniak, Alaska · 2843 days ago · 8 km deep · 67 km away
  6. 3.7235 km SE of Chiniak, Alaska · 2843 days ago · 10 km deep · 60 km away · felt by 1
  7. 3.2232 km SE of Chiniak, Alaska · 2843 days ago · 7 km deep · 30 km away
  8. 3.2244 km SE of Chiniak, Alaska · 2843 days ago · 12 km deep · 69 km away
  9. 3.0230 km SE of Chiniak, Alaska · 2844 days ago · 4 km deep · 82 km away
  10. 2.8238 km SE of Chiniak, Alaska · 2844 days ago · 10 km deep · 19 km away
  11. 3.4265 km SE of Chiniak, Alaska · 2844 days ago · 10 km deep · 65 km away
  12. 3.0245 km SE of Chiniak, Alaska · 2845 days ago · 12 km deep · 35 km away
  13. 3.1249 km SE of Chiniak, Alaska · 2846 days ago · 11 km deep · 91 km away
  14. 3.1259 km SE of Chiniak, Alaska · 2846 days ago · 10 km deep · 92 km away
  15. 3.1228 km SE of Chiniak, Alaska · 2847 days ago · 10 km deep · 66 km away
  16. 2.6235 km SE of Chiniak, Alaska · 2847 days ago · 12 km deep · 38 km away
  17. 2.9228 km SE of Chiniak, Alaska · 2848 days ago · 10 km deep · 80 km away
  18. 3.0241 km SE of Chiniak, Alaska · 2848 days ago · 12 km deep · 69 km away
  19. 2.6228 km SE of Chiniak, Alaska · 2848 days ago · 16 km deep · 34 km away
  20. 2.9225 km SE of Chiniak, Alaska · 2848 days ago · 12 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aacse018gb7mimi. Read Tue, Sep 29, 2026, 11:10 PM UTC.