Alaska earthquakes

M2.3 earthquake 147 km S of Atka, Alaska

A magnitude 2.3 earthquake struck 147 km S of Atka, Alaska on Sat, Jul 28, 2018, 9:10 AM HADT (18:10 UTC), 28 km (18 mi) below the surface.

A larger quake followed: M4.6 85 km SE of Atka, 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
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-07-28 18:10:43 UTC
Depth
28.2 km (17.5 mi), shallow
Epicenter
50.881° N, 173.946° 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
12

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 2.778 km SSE of Atka, Alaska · 2989 days ago · 10 km deep · 76 km away
  2. 4.191 km S of Atka, Alaska · 2987 days ago · 40 km deep · 56 km away
  3. 4.685 km SE of Atka, Alaska · 2980 days ago · 43 km deep · 92 km away
  4. 2.3146 km SE of Adak, Alaska · 2979 days ago · 35 km deep · 99 km away
  5. 2.675 km SSE of Atka, Alaska · 2978 days ago · 28 km deep · 81 km away
  6. 3.059 km SSW of Atka, Alaska · 2977 days ago · 35 km deep · 98 km away
  7. 2.193 km SSE of Atka, Alaska · 2974 days ago · 26 km deep · 56 km away
  8. 2.2109 km SSW of Atka, Alaska · 2970 days ago · 49 km deep · 85 km away
  9. 3.3187 km S of Atka, Alaska · 2970 days ago · 10 km deep · 48 km away
  10. 2.6152 km S of Atka, Alaska · 2967 days ago · 10 km deep · 12 km away
  11. 4.2183 km SE of Atka, Alaska · 2966 days ago · 27 km deep · 98 km away
  12. 3.989 km S of Atka, Alaska · 2958 days ago · 50 km deep · 58 km away
  13. 4.296 km S of Atka, Alaska · 2958 days ago · 51 km deep · 51 km away
  14. 2.678 km SE of Atka, Alaska · 2953 days ago · 35 km deep · 96 km away
  15. 2.3168 km SSE of Atka, Alaska · 2953 days ago · 0 km deep · 28 km away
  16. 2.7215 km SSE of Atka, Alaska · 2946 days ago · 10 km deep · 91 km away
  17. 2.853 km S of Atka, Alaska · 2946 days ago · 9 km deep · 94 km away
  18. 2.175 km SSE of Atka, Alaska · 2940 days ago · 24 km deep · 77 km away
  19. 2.487 km SSE of Atka, Alaska · 2940 days ago · 23 km deep · 71 km away
  20. 2.0122 km SSW of Atka, Alaska · 2939 days ago · 15 km deep · 92 km away
  21. 2.3198 km SSW of Atka, Alaska · 2937 days ago · 23 km deep · 75 km away
  22. 2.699 km S of Atka, Alaska · 2936 days ago · 26 km deep · 52 km away
  23. 2.5108 km SSW of Atka, Alaska · 2933 days ago · 26 km deep · 81 km away

Before

  1. 2.371 km SSE of Atka, Alaska · 2993 days ago · 14 km deep · 86 km away
  2. 2.0111 km SSW of Atka, Alaska · 2993 days ago · 21 km deep · 74 km away
  3. 2.561 km S of Atka, Alaska · 2996 days ago · 14 km deep · 86 km away
  4. 3.3105 km S of Atka, Alaska · 2997 days ago · 8 km deep · 53 km away
  5. 1.7126 km SSW of Atka, Alaska · 2997 days ago · 18 km deep · 79 km away
  6. 1.867 km SSW of Atka, Alaska · 3001 days ago · 26 km deep · 88 km away
  7. 2.394 km S of Atka, Alaska · 3002 days ago · 8 km deep · 56 km away
  8. 2.7185 km SSE of Atka, Alaska · 3002 days ago · 10 km deep · 46 km away
  9. 2.6162 km S of Atka, Alaska · 3004 days ago · 10 km deep · 17 km away
  10. 2.2108 km SSW of Atka, Alaska · 3006 days ago · 12 km deep · 89 km away
  11. 2.369 km SSE of Atka, Alaska · 3006 days ago · 4 km deep · 84 km away
  12. 1.961 km SSE of Atka, Alaska · 3006 days ago · 40 km deep · 89 km away
  13. 3.794 km SSW of Atka, Alaska · 3008 days ago · 35 km deep · 76 km away
  14. 2.9100 km SSW of Atka, Alaska · 3009 days ago · 34 km deep · 66 km away
  15. 5.297 km SSW of Atka, Alaska · 3009 days ago · 18 km deep · 73 km away
  16. 3.895 km SSW of Atka, Alaska · 3009 days ago · 19 km deep · 77 km away
  17. 3.5105 km SSW of Atka, Alaska · 3009 days ago · 10 km deep · 66 km away
  18. 2.8168 km S of Atka, Alaska · 3011 days ago · 29 km deep · 48 km away
  19. 2.1130 km SSW of Atka, Alaska · 3011 days ago · 26 km deep · 72 km away
  20. 2.3145 km S of Atka, Alaska · 3013 days ago · 20 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0189ly3kn5 (also filed as ak20005304). Read Sat, Oct 3, 2026, 8:17 PM UTC.