Alaska earthquakes

M2.4 earthquake 158 km S of Atka, Alaska

A magnitude 2.4 earthquake struck 158 km S of Atka, Alaska on Wed, May 1, 2024, 6:02 AM HADT (15:02 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.5 198 km SSE of Atka, 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
2.4 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-05-01 15:02:09 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.773° N, 174.124° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.4ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
2.5ML, local (Richter)Alaska Earthquake CenterPreliminary

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 4.4 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
294°, poorly surrounded by stations
Stations used
12

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.8194 km S of Atka, Alaska · 883 days ago · 10 km deep · 47 km away
  2. 3.391 km SSW of Atka, Alaska · 882 days ago · 35 km deep · 95 km away
  3. 2.178 km SSE of Atka, Alaska · 878 days ago · 8 km deep · 88 km away
  4. 3.1101 km SE of Atka, Alaska · 876 days ago · 35 km deep · 95 km away
  5. 3.2211 km SSE of Atka, Alaska · 874 days ago · 10 km deep · 91 km away
  6. 3.3181 km SSE of Adak, Alaska · 873 days ago · 10 km deep · 85 km away
  7. 2.895 km S of Atka, Alaska · 870 days ago · 10 km deep · 64 km away
  8. 2.294 km S of Atka, Alaska · 870 days ago · 5 km deep · 68 km away
  9. 2.877 km SSE of Atka, Alaska · 867 days ago · 35 km deep · 92 km away
  10. 1.7105 km SE of Atka, Alaska · 866 days ago · 20 km deep · 100 km away
  11. 2.9193 km S of Atka, Alaska · 859 days ago · 10 km deep · 47 km away
  12. 2.7190 km S of Atka, Alaska · 858 days ago · 10 km deep · 44 km away
  13. 2.1132 km S of Atka, Alaska · 855 days ago · 3 km deep · 27 km away
  14. 1.986 km SSE of Atka, Alaska · 855 days ago · 32 km deep · 94 km away
  15. 2.9125 km SSW of Atka, Alaska · 854 days ago · 35 km deep · 83 km away
  16. 3.2151 km SSE of Atka, Alaska · 854 days ago · 10 km deep · 53 km away
  17. 2.6213 km SSE of Adak, Alaska · 852 days ago · 10 km deep · 88 km away
  18. 2.7208 km SSE of Atka, Alaska · 851 days ago · 10 km deep · 64 km away
  19. 2.884 km SSE of Atka, Alaska · 850 days ago · 6 km deep · 83 km away
  20. 2.6170 km S of Atka, Alaska · 849 days ago · 10 km deep · 15 km away
  21. 3.5198 km SSE of Atka, Alaska · 848 days ago · 10 km deep · 66 km away
  22. 1.9120 km SE of Adak, Alaska · 846 days ago · 17 km deep · 93 km away
  23. 2.873 km SSE of Atka, Alaska · 846 days ago · 35 km deep · 98 km away
  24. 2.763 km S of Atka, Alaska · 846 days ago · 35 km deep · 95 km away
  25. 2.679 km SSW of Atka, Alaska · 843 days ago · 35 km deep · 95 km away
  26. 1.967 km SSE of Atka, Alaska · 842 days ago · 40 km deep · 100 km away
  27. 3.261 km S of Atka, Alaska · 842 days ago · 35 km deep · 97 km away
  28. 1.969 km S of Atka, Alaska · 836 days ago · 26 km deep · 89 km away
  29. 2.2194 km SSE of Atka, Alaska · 835 days ago · 10 km deep · 59 km away
  30. 1.774 km SSE of Atka, Alaska · 835 days ago · 16 km deep · 88 km away
  31. 3.274 km SSW of Atka, Alaska · 833 days ago · 35 km deep · 95 km away
  32. 1.9125 km SSE of Atka, Alaska · 833 days ago · 1 km deep · 42 km away
  33. 1.5138 km S of Atka, Alaska · 833 days ago · 8 km deep · 27 km away
  34. 2.7168 km SSW of Atka, Alaska · 829 days ago · 10 km deep · 46 km away
  35. 3.3176 km SE of Adak, Alaska · 827 days ago · 10 km deep · 73 km away
  36. 2.9173 km S of Atka, Alaska · 825 days ago · 10 km deep · 24 km away

Before

  1. 2.2223 km S of Atka, Alaska · 887 days ago · 29 km deep · 76 km away
  2. 2.3111 km SSE of Atka, Alaska · 888 days ago · 27 km deep · 72 km away
  3. 2.163 km SSE of Atka, Alaska · 890 days ago · 26 km deep · 97 km away
  4. 3.192 km SE of Atka, Alaska · 896 days ago · 21 km deep · 98 km away
  5. 1.975 km S of Atka, Alaska · 902 days ago · 14 km deep · 85 km away
  6. 2.1113 km SSW of Atka, Alaska · 902 days ago · 31 km deep · 93 km away
  7. 2.2120 km SSW of Atka, Alaska · 906 days ago · 2 km deep · 61 km away
  8. 3.0106 km S of Atka, Alaska · 911 days ago · 35 km deep · 55 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000msge (also filed as ak0245m0ialm). Read Fri, Oct 2, 2026, 1:25 AM UTC.