Alaska earthquakes

M2.3 earthquake 50 km SSW of Unalaska, Alaska

A magnitude 2.3 earthquake struck 50 km SSW of Unalaska, Alaska on Tue, Apr 24, 2018, 7:27 PM AKDT (03:27 UTC), 67 km (41 mi) below the surface.

A larger quake followed: M4.4 89 km E 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
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-04-25 03:27:28 UTC
Depth
66.5 km (41.3 mi), shallow
Epicenter
53.483° N, 166.914° 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
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 97 in the 60 days after this one and 45 in the 30 days before it.

After

  1. 3.487 km SSW of Unalaska, Alaska · 3079 days ago · 80 km deep · 39 km away
  2. 1.895 km SW of Unalaska, Alaska · 3079 days ago · 40 km deep · 47 km away
  3. 3.998 km SSW of Unalaska, Alaska · 3077 days ago · 45 km deep · 50 km away
  4. 2.392 km SSW of Unalaska, Alaska · 3077 days ago · 21 km deep · 44 km away
  5. 1.891 km SSW of Unalaska, Alaska · 3077 days ago · 26 km deep · 44 km away
  6. 2.391 km SSW of Unalaska, Alaska · 3077 days ago · 49 km deep · 41 km away
  7. 2.7135 km ESE of Nikolski, Alaska · 3076 days ago · 14 km deep · 100 km away
  8. 2.3135 km ESE of Nikolski, Alaska · 3076 days ago · 13 km deep · 99 km away
  9. 1.657 km SW of Unalaska, Alaska · 3076 days ago · 14 km deep · 22 km away
  10. 2.169 km SE of Unalaska, Alaska · 3075 days ago · 45 km deep · 71 km away
  11. 2.022 km W of Akutan, Alaska · 3075 days ago · 104 km deep · 88 km away
  12. 1.741 km SSE of Akutan, Alaska · 3074 days ago · 44 km deep · 99 km away
  13. 1.786 km SW of Unalaska, Alaska · 3073 days ago · 43 km deep · 36 km away
  14. 1.516 km WSW of Akutan, Alaska · 3072 days ago · 14 km deep · 90 km away
  15. 2.178 km SE of Unalaska, Alaska · 3071 days ago · 20 km deep · 81 km away
  16. 1.924 km SSE of Unalaska, Alaska · 3070 days ago · 76 km deep · 38 km away
  17. 2.5107 km E of Nikolski, Alaska · 3070 days ago · 35 km deep · 65 km away
  18. 2.184 km E of Nikolski, Alaska · 3070 days ago · 62 km deep · 85 km away
  19. 2.183 km S of Akutan, Alaska · 3070 days ago · 40 km deep · 90 km away
  20. 1.876 km SSE of Unalaska, Alaska · 3070 days ago · 26 km deep · 68 km away
  21. 1.73 km WNW of Dutch Harbor, Alaska · 3069 days ago · 12 km deep · 51 km away
  22. 1.884 km SW of Unalaska, Alaska · 3068 days ago · 37 km deep · 35 km away
  23. 3.388 km S of Unalaska, Alaska · 3068 days ago · 37 km deep · 45 km away
  24. 1.675 km SW of Unalaska, Alaska · 3067 days ago · 13 km deep · 30 km away
  25. 1.839 km SSW of Unalaska, Alaska · 3066 days ago · 75 km deep · 14 km away
  26. 1.999 km E of Nikolski, Alaska · 3065 days ago · 47 km deep · 69 km away
  27. 2.068 km SE of Unalaska, Alaska · 3064 days ago · 23 km deep · 75 km away
  28. 1.662 km SE of Unalaska, Alaska · 3064 days ago · 49 km deep · 75 km away
  29. 1.651 km SSE of Akutan, Alaska · 3064 days ago · 25 km deep · 93 km away
  30. 1.860 km SE of Unalaska, Alaska · 3064 days ago · 39 km deep · 63 km away
  31. 2.079 km SSW of Unalaska, Alaska · 3064 days ago · 26 km deep · 34 km away
  32. 1.526 km SE of Unalaska, Alaska · 3063 days ago · 69 km deep · 54 km away
  33. 1.768 km S of Akutan, Alaska · 3061 days ago · 30 km deep · 87 km away
  34. 2.042 km SE of Unalaska, Alaska · 3061 days ago · 35 km deep · 52 km away
  35. 1.551 km S of Akutan, Alaska · 3060 days ago · 83 km deep · 87 km away
  36. 4.489 km E of Nikolski, Alaska · 3059 days ago · 47 km deep · 72 km away · felt by 1
  37. 2.897 km E of Nikolski, Alaska · 3058 days ago · 22 km deep · 75 km away
  38. 4.495 km E of Nikolski, Alaska · 3058 days ago · 47 km deep · 68 km away
  39. 2.067 km SW of Unalaska, Alaska · 3056 days ago · 8 km deep · 26 km away
  40. 1.755 km SE of Unalaska, Alaska · 3052 days ago · 51 km deep · 69 km away
  41. 1.735 km SSW of Unalaska, Alaska · 3051 days ago · 81 km deep · 15 km away
  42. 2.270 km S of Unalaska, Alaska · 3051 days ago · 42 km deep · 29 km away
  43. 3.393 km SSW of Unalaska, Alaska · 3050 days ago · 19 km deep · 46 km away
  44. 1.858 km SW of Unalaska, Alaska · 3046 days ago · 16 km deep · 19 km away
  45. 3.953 km SSE of Unalaska, Alaska · 3045 days ago · 41 km deep · 38 km away
  46. 3.9119 km E of Nikolski, Alaska · 3045 days ago · 47 km deep · 81 km away
  47. 2.2109 km SSE of Unalaska, Alaska · 3044 days ago · 5 km deep · 97 km away
  48. 1.938 km ESE of Unalaska, Alaska · 3044 days ago · 67 km deep · 71 km away
  49. 3.634 km SSE of Unalaska, Alaska · 3044 days ago · 78 km deep · 40 km away
  50. 3.570 km ENE of Nikolski, Alaska · 3043 days ago · 70 km deep · 76 km away
  51. 2.880 km S of Unalaska, Alaska · 3042 days ago · 41 km deep · 37 km away
  52. 1.918 km SW of Unalaska, Alaska · 3042 days ago · 10 km deep · 34 km away
  53. 1.923 km S of Akutan, Alaska · 3042 days ago · 85 km deep · 90 km away
  54. 2.065 km SW of Unalaska, Alaska · 3042 days ago · 98 km deep · 25 km away
  55. 1.779 km SE of Unalaska, Alaska · 3042 days ago · 19 km deep · 83 km away
  56. 1.656 km SSE of Akutan, Alaska · 3040 days ago · 48 km deep · 89 km away
  57. 2.022 km S of Akutan, Alaska · 3039 days ago · 74 km deep · 87 km away
  58. 1.954 km SE of Unalaska, Alaska · 3039 days ago · 26 km deep · 59 km away
  59. 1.656 km SSE of Unalaska, Alaska · 3038 days ago · 39 km deep · 57 km away
  60. 1.770 km SW of Unalaska, Alaska · 3038 days ago · 22 km deep · 27 km away

The first 60 of 97.

Before

  1. 2.2136 km ESE of Nikolski, Alaska · 3082 days ago · 7 km deep · 99 km away
  2. 2.767 km SW of Unalaska, Alaska · 3082 days ago · 87 km deep · 19 km away
  3. 1.969 km SE of Unalaska, Alaska · 3084 days ago · 18 km deep · 76 km away
  4. 1.8Fox Islands, Aleutian Islands, Alaska · 3085 days ago · 34 km deep · 32 km away
  5. 2.172 km WSW of Unalaska, Alaska · 3085 days ago · 8 km deep · 40 km away
  6. 1.984 km SSW of Unalaska, Alaska · 3086 days ago · 40 km deep · 36 km away
  7. 3.352 km S of Unalaska, Alaska · 3086 days ago · 38 km deep · 25 km away
  8. 2.652 km SSE of Unalaska, Alaska · 3089 days ago · 63 km deep · 49 km away
  9. 1.770 km SW of Unalaska, Alaska · 3092 days ago · 20 km deep · 32 km away
  10. 1.958 km SW of Unalaska, Alaska · 3092 days ago · 78 km deep · 13 km away
  11. 1.944 km SE of Unalaska, Alaska · 3092 days ago · 26 km deep · 58 km away
  12. 2.157 km SSE of Unalaska, Alaska · 3092 days ago · 26 km deep · 44 km away
  13. 1.745 km ESE of Unalaska, Alaska · 3092 days ago · 33 km deep · 66 km away
  14. 3.369 km S of Akutan, Alaska · 3097 days ago · 31 km deep · 83 km away
  15. 1.695 km SSW of Unalaska, Alaska · 3097 days ago · 15 km deep · 46 km away
  16. 1.868 km SSE of Akutan, Alaska · 3098 days ago · 46 km deep · 93 km away
  17. 1.647 km NE of Nikolski, Alaska · 3098 days ago · 9 km deep · 98 km away
  18. 1.991 km SSW of Unalaska, Alaska · 3098 days ago · 26 km deep · 44 km away
  19. 1.848 km NE of Nikolski, Alaska · 3098 days ago · 14 km deep · 99 km away
  20. 2.252 km NE of Nikolski, Alaska · 3098 days ago · 5 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0185a8r246 (also filed as ak19267575). Read Thu, Oct 1, 2026, 7:44 AM UTC.