Alaska earthquakes

M2.9 earthquake 173 km S of Atka, Alaska

A magnitude 2.9 earthquake struck 173 km S of Atka, Alaska on Fri, Jun 28, 2024, 8:48 AM HADT (17:48 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.4 213 km SSE 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-06-28 17:48:07 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.655° N, 173.847° 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
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.085 · 18 stations
2.3ML, 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 4.0 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
244°, poorly surrounded by stations
Stations used
15

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.3144 km SSE of Atka, Alaska · 823 days ago · 14 km deep · 48 km away
  2. 2.2158 km SSE of Atka, Alaska · 823 days ago · 10 km deep · 76 km away
  3. 2.1163 km SSE of Atka, Alaska · 822 days ago · 20 km deep · 68 km away
  4. 3.3217 km SSE of Atka, Alaska · 820 days ago · 10 km deep · 49 km away
  5. 2.7176 km SSE of Atka, Alaska · 819 days ago · 10 km deep · 11 km away
  6. 3.1186 km SSE of Atka, Alaska · 818 days ago · 10 km deep · 58 km away
  7. 2.3126 km S of Atka, Alaska · 817 days ago · 3 km deep · 47 km away
  8. 2.9195 km S of Atka, Alaska · 817 days ago · 35 km deep · 44 km away
  9. 2.8166 km SSE of Atka, Alaska · 813 days ago · 10 km deep · 46 km away
  10. 3.1199 km SSW of Atka, Alaska · 811 days ago · 10 km deep · 72 km away
  11. 2.6216 km SSE of Adak, Alaska · 811 days ago · 16 km deep · 94 km away
  12. 2.3182 km SSE of Atka, Alaska · 808 days ago · 24 km deep · 39 km away
  13. 1.9140 km S of Atka, Alaska · 806 days ago · 2 km deep · 35 km away
  14. 2.7212 km SE of Adak, Alaska · 802 days ago · 35 km deep · 84 km away
  15. 2.1185 km SSE of Atka, Alaska · 798 days ago · 9 km deep · 29 km away
  16. 2.5212 km S of Atka, Alaska · 791 days ago · 24 km deep · 42 km away
  17. 2.7203 km SSE of Atka, Alaska · 790 days ago · 10 km deep · 43 km away
  18. 2.1111 km SSE of Atka, Alaska · 788 days ago · 2 km deep · 64 km away
  19. 3.378 km S of Atka, Alaska · 786 days ago · 48 km deep · 99 km away
  20. 2.096 km S of Atka, Alaska · 786 days ago · 7 km deep · 82 km away
  21. 1.988 km S of Atka, Alaska · 786 days ago · 8 km deep · 91 km away
  22. 2.9178 km S of Atka, Alaska · 786 days ago · 10 km deep · 9 km away
  23. 3.4204 km SSE of Atka, Alaska · 783 days ago · 10 km deep · 41 km away
  24. 2.1125 km S of Atka, Alaska · 779 days ago · 15 km deep · 48 km away
  25. 4.0209 km SSE of Atka, Alaska · 779 days ago · 20 km deep · 40 km away
  26. 2.5201 km SSE of Atka, Alaska · 779 days ago · 10 km deep · 33 km away
  27. 2.3159 km S of Atka, Alaska · 779 days ago · 7 km deep · 18 km away
  28. 3.9221 km SSE of Atka, Alaska · 771 days ago · 10 km deep · 53 km away
  29. 4.4213 km SSE of Atka, Alaska · 771 days ago · 17 km deep · 46 km away
  30. 2.7188 km SE of Adak, Alaska · 769 days ago · 10 km deep · 90 km away
  31. 2.3187 km S of Atka, Alaska · 768 days ago · 11 km deep · 55 km away
  32. 2.0188 km S of Atka, Alaska · 768 days ago · 16 km deep · 57 km away

Before

  1. 3.3176 km SE of Adak, Alaska · 827 days ago · 10 km deep · 90 km away
  2. 2.7168 km SSW of Atka, Alaska · 829 days ago · 10 km deep · 65 km away
  3. 1.5138 km S of Atka, Alaska · 833 days ago · 8 km deep · 35 km away
  4. 1.9125 km SSE of Atka, Alaska · 833 days ago · 1 km deep · 49 km away
  5. 1.774 km SSE of Atka, Alaska · 835 days ago · 16 km deep · 100 km away
  6. 2.2194 km SSE of Atka, Alaska · 835 days ago · 10 km deep · 35 km away
  7. 3.5198 km SSE of Atka, Alaska · 848 days ago · 10 km deep · 43 km away
  8. 2.6170 km S of Atka, Alaska · 849 days ago · 10 km deep · 10 km away
  9. 2.884 km SSE of Atka, Alaska · 850 days ago · 6 km deep · 93 km away
  10. 2.7208 km SSE of Atka, Alaska · 851 days ago · 10 km deep · 41 km away
  11. 2.6213 km SSE of Adak, Alaska · 852 days ago · 10 km deep · 97 km away
  12. 3.2151 km SSE of Atka, Alaska · 854 days ago · 10 km deep · 44 km away
  13. 2.1132 km S of Atka, Alaska · 855 days ago · 3 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000niph (also filed as ak02489z55cp). Read Fri, Oct 2, 2026, 1:13 AM UTC.