Alaska earthquakes

M2.8 earthquake 194 km S of Atka, Alaska

A magnitude 2.8 earthquake struck 194 km S of Atka, Alaska on Wed, May 1, 2024, 7:00 AM HADT (16:00 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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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.8 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-05-01 16:00:36 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.462° N, 174.583° 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
2.8ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.105 · 12 stations
2.6ML, 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 7.3 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
250°, poorly surrounded by stations
Stations used
16

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 3.3181 km SSE of Adak, Alaska · 872 days ago · 10 km deep · 47 km away
  2. 2.895 km S of Atka, Alaska · 869 days ago · 10 km deep · 99 km away
  3. 2.3184 km SSE of Adak, Alaska · 865 days ago · 8 km deep · 74 km away
  4. 2.9193 km S of Atka, Alaska · 858 days ago · 10 km deep · 1 km away
  5. 2.7190 km S of Atka, Alaska · 858 days ago · 10 km deep · 5 km away
  6. 2.1132 km S of Atka, Alaska · 854 days ago · 3 km deep · 64 km away
  7. 2.9125 km SSW of Atka, Alaska · 854 days ago · 35 km deep · 90 km away
  8. 3.2151 km SSE of Atka, Alaska · 853 days ago · 10 km deep · 98 km away
  9. 2.6213 km SSE of Adak, Alaska · 852 days ago · 10 km deep · 41 km away
  10. 2.7208 km SSE of Atka, Alaska · 851 days ago · 10 km deep · 80 km away
  11. 2.6170 km S of Atka, Alaska · 849 days ago · 10 km deep · 48 km away
  12. 3.5198 km SSE of Atka, Alaska · 848 days ago · 10 km deep · 92 km away
  13. 1.9120 km SE of Adak, Alaska · 846 days ago · 17 km deep · 96 km away
  14. 2.2194 km SSE of Atka, Alaska · 835 days ago · 10 km deep · 84 km away
  15. 1.9125 km SSE of Atka, Alaska · 833 days ago · 1 km deep · 89 km away
  16. 1.5138 km S of Atka, Alaska · 832 days ago · 8 km deep · 74 km away
  17. 2.7168 km SSW of Atka, Alaska · 828 days ago · 10 km deep · 32 km away
  18. 3.3176 km SE of Adak, Alaska · 827 days ago · 10 km deep · 41 km away
  19. 2.9173 km S of Atka, Alaska · 825 days ago · 10 km deep · 56 km away

Before

  1. 2.4158 km S of Atka, Alaska · 883 days ago · 10 km deep · 47 km away
  2. 2.2223 km S of Atka, Alaska · 887 days ago · 29 km deep · 30 km away
  3. 2.2120 km SSW of Atka, Alaska · 906 days ago · 2 km deep · 79 km away
  4. 3.0106 km S of Atka, Alaska · 910 days ago · 35 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000msgh (also filed as ak0245m13d0n). Read Thu, Oct 1, 2026, 7:15 PM UTC.