Alaska earthquakes

M1.8 earthquake 13 km WNW of Atka, Alaska

A magnitude 1.8 earthquake struck 13 km WNW of Atka, Alaska on Mon, Mar 30, 2026, 8:31 AM HADT (17:31 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M4.0 63 km ENE of Adak, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.8 (ML, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2026-03-30 17:31:02 UTC
Depth
8.7 km (5.4 mi), shallow
Epicenter
52.257° N, 174.366° 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.

Location uncertainty
About 0.8 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.25
Depth from
From location
Station coverage gap
274°, poorly surrounded by stations
Stations used
7

Nearby

Within 100 km, magnitude 1.5 and up: 41 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 3.458 km S of Atka, Alaska · 188 days ago · 14 km deep · 67 km away
  2. 2.691 km SW of Atka, Alaska · 183 days ago · 35 km deep · 90 km away
  3. 4.063 km ENE of Adak, Alaska · 181 days ago · 153 km deep · 98 km away
  4. 2.584 km E of Adak, Alaska · 180 days ago · 100 km deep · 81 km away
  5. 1.718 km WSW of Atka, Alaska · 174 days ago · 9 km deep · 15 km away
  6. 3.138 km NNE of Atka, Alaska · 172 days ago · 162 km deep · 40 km away
  7. 3.966 km ENE of Adak, Alaska · 170 days ago · 145 km deep · 95 km away
  8. 2.878 km SW of Atka, Alaska · 167 days ago · 28 km deep · 77 km away
  9. 3.29 km WNW of Atka, Alaska · 164 days ago · 148 km deep · 5 km away
  10. 3.458 km SW of Atka, Alaska · 162 days ago · 90 km deep · 54 km away
  11. 3.586 km NE of Atka, Alaska · 159 days ago · 227 km deep · 91 km away
  12. 1.712 km SE of Atka, Alaska · 158 days ago · 13 km deep · 25 km away
  13. 2.694 km SW of Atka, Alaska · 157 days ago · 35 km deep · 92 km away
  14. 3.164 km ESE of Atka, Alaska · 156 days ago · 63 km deep · 77 km away
  15. 3.352 km S of Atka, Alaska · 155 days ago · 26 km deep · 62 km away
  16. 3.172 km S of Atka, Alaska · 153 days ago · 1 km deep · 81 km away
  17. 2.336 km SSW of Atka, Alaska · 153 days ago · 80 km deep · 40 km away
  18. 2.975 km ENE of Adak, Alaska · 152 days ago · 169 km deep · 86 km away
  19. 2.834 km E of Atka, Alaska · 151 days ago · 85 km deep · 47 km away
  20. 1.736 km ENE of Atka, Alaska · 151 days ago · 15 km deep · 44 km away
  21. 2.444 km S of Atka, Alaska · 149 days ago · 67 km deep · 54 km away
  22. 2.765 km SSE of Atka, Alaska · 149 days ago · 35 km deep · 76 km away
  23. 2.688 km NE of Adak, Alaska · 149 days ago · 160 km deep · 97 km away
  24. 3.673 km ESE of Atka, Alaska · 148 days ago · 71 km deep · 86 km away
  25. 3.480 km E of Adak, Alaska · 147 days ago · 64 km deep · 94 km away
  26. 2.034 km NNW of Atka, Alaska · 147 days ago · 10 km deep · 26 km away
  27. 3.869 km ESE of Atka, Alaska · 147 days ago · 70 km deep · 82 km away
  28. 3.173 km ENE of Adak, Alaska · 145 days ago · 184 km deep · 88 km away
  29. 2.888 km SSE of Atka, Alaska · 145 days ago · 6 km deep · 99 km away
  30. 2.760 km E of Atka, Alaska · 144 days ago · 147 km deep · 72 km away
  31. 3.693 km ESE of Adak, Alaska · 143 days ago · 35 km deep · 100 km away
  32. 3.69 km NW of Atka, Alaska · 141 days ago · 197 km deep · 6 km away
  33. 2.776 km SSW of Atka, Alaska · 140 days ago · 4 km deep · 81 km away
  34. 3.055 km SE of Atka, Alaska · 139 days ago · 3 km deep · 68 km away
  35. 2.313 km NNW of Atka, Alaska · 139 days ago · 15 km deep · 8 km away
  36. 2.779 km SW of Atka, Alaska · 139 days ago · 35 km deep · 77 km away
  37. 3.889 km WNW of Atka, Alaska · 139 days ago · 232 km deep · 77 km away
  38. 3.167 km ESE of Atka, Alaska · 137 days ago · 70 km deep · 80 km away
  39. 2.377 km SW of Atka, Alaska · 135 days ago · 64 km deep · 77 km away
  40. 2.954 km N of Atka, Alaska · 134 days ago · 225 km deep · 52 km away
  41. 3.262 km ENE of Atka, Alaska · 130 days ago · 179 km deep · 71 km away

Before

  1. 2.857 km E of Atka, Alaska · 189 days ago · 85 km deep · 68 km away
  2. 2.880 km SSE of Atka, Alaska · 193 days ago · 10 km deep · 91 km away
  3. 2.623 km NW of Atka, Alaska · 193 days ago · 164 km deep · 12 km away
  4. 2.793 km SSW of Atka, Alaska · 194 days ago · 3 km deep · 97 km away
  5. 2.493 km SSW of Atka, Alaska · 197 days ago · 8 km deep · 98 km away
  6. 2.985 km SW of Atka, Alaska · 198 days ago · 35 km deep · 84 km away
  7. 2.752 km SSW of Atka, Alaska · 199 days ago · 35 km deep · 58 km away
  8. 2.881 km SE of Atka, Alaska · 199 days ago · 10 km deep · 95 km away
  9. 3.88 km ESE of Atka, Alaska · 201 days ago · 114 km deep · 22 km away
  10. 1.917 km N of Atka, Alaska · 204 days ago · 5 km deep · 18 km away
  11. 2.863 km ESE of Atka, Alaska · 207 days ago · 74 km deep · 76 km away
  12. 3.328 km ENE of Atka, Alaska · 207 days ago · 149 km deep · 39 km away
  13. 2.876 km SE of Atka, Alaska · 209 days ago · 13 km deep · 89 km away
  14. 2.383 km E of Adak, Alaska · 211 days ago · 10 km deep · 79 km away
  15. 2.790 km S of Atka, Alaska · 213 days ago · 10 km deep · 97 km away
  16. 2.666 km SSW of Atka, Alaska · 213 days ago · 10 km deep · 71 km away
  17. 2.010 km SW of Atka, Alaska · 214 days ago · 12 km deep · 16 km away
  18. 2.519 km SSW of Atka, Alaska · 214 days ago · 9 km deep · 23 km away
  19. 2.976 km SW of Atka, Alaska · 215 days ago · 35 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av94119348. Read Mon, Oct 5, 2026, 6:28 AM UTC.