Alaska earthquakes

M2.3 earthquake 168 km SSE of Atka, Alaska

A magnitude 2.3 earthquake struck 168 km SSE of Atka, Alaska on Sun, Sep 2, 2018, 3:44 PM HADT (00:44 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M4.6 93 km S 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
2018-09-03 00:44:02 UTC
Depth
0.4 km (0.2 mi), shallow
Epicenter
50.727° N, 173.638° 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
17

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.7215 km SSE of Atka, Alaska · 2944 days ago · 10 km deep · 64 km away
  2. 2.175 km SSE of Atka, Alaska · 2939 days ago · 24 km deep · 94 km away
  3. 2.487 km SSE of Atka, Alaska · 2938 days ago · 23 km deep · 85 km away
  4. 2.3198 km SSW of Atka, Alaska · 2935 days ago · 23 km deep · 86 km away
  5. 2.699 km S of Atka, Alaska · 2935 days ago · 26 km deep · 78 km away
  6. 2.4189 km SSE of Atka, Alaska · 2925 days ago · 20 km deep · 26 km away
  7. 2.8197 km SSE of Atka, Alaska · 2919 days ago · 10 km deep · 30 km away
  8. 1.8113 km S of Atka, Alaska · 2912 days ago · 18 km deep · 56 km away
  9. 2.6161 km S of Atka, Alaska · 2907 days ago · 10 km deep · 69 km away
  10. 3.8100 km S of Atka, Alaska · 2905 days ago · 27 km deep · 71 km away
  11. 3.1206 km SE of Atka, Alaska · 2895 days ago · 10 km deep · 87 km away
  12. 1.695 km S of Atka, Alaska · 2893 days ago · 27 km deep · 74 km away
  13. 2.4204 km S of Atka, Alaska · 2893 days ago · 15 km deep · 37 km away
  14. 4.693 km S of Atka, Alaska · 2892 days ago · 10 km deep · 86 km away
  15. 2.586 km S of Atka, Alaska · 2892 days ago · 35 km deep · 85 km away

Before

  1. 4.296 km S of Atka, Alaska · 2956 days ago · 51 km deep · 72 km away
  2. 3.989 km S of Atka, Alaska · 2956 days ago · 50 km deep · 80 km away
  3. 4.2183 km SE of Atka, Alaska · 2964 days ago · 27 km deep · 79 km away
  4. 2.6152 km S of Atka, Alaska · 2965 days ago · 10 km deep · 17 km away
  5. 3.3187 km S of Atka, Alaska · 2968 days ago · 10 km deep · 52 km away
  6. 2.193 km SSE of Atka, Alaska · 2972 days ago · 26 km deep · 74 km away
  7. 2.675 km SSE of Atka, Alaska · 2976 days ago · 28 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018baugt5k (also filed as ak20240199). Read Thu, Oct 1, 2026, 9:21 PM UTC.