Alaska earthquakes

M2.8 earthquake 211 km SE of Akutan, Alaska

A magnitude 2.8 earthquake struck 211 km SE of Akutan, Alaska on Sat, Jul 21, 2018, 1:36 AM AKDT (09:36 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.9 160 km ESE of Akutan, Alaska. This one was a foreshock.

Akutan forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.8 (ml), micro
Local time
UTC
2018-07-21 09:36:26 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
52.716° N, 163.659° 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.

Location uncertainty
About 7.1 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
220°, poorly surrounded by stations
Stations used
54

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.4158 km ESE of Akutan, Alaska · 2988 days ago · 19 km deep · 77 km away
  2. 2.6162 km ESE of Akutan, Alaska · 2987 days ago · 13 km deep · 73 km away
  3. 3.0215 km SE of Akutan, Alaska · 2982 days ago · 10 km deep · 4 km away
  4. 3.0230 km SE of Akutan, Alaska · 2981 days ago · 10 km deep · 19 km away
  5. 3.8139 km SE of Akutan, Alaska · 2979 days ago · 10 km deep · 74 km away
  6. 2.8140 km SE of Akutan, Alaska · 2979 days ago · 22 km deep · 74 km away
  7. 2.1139 km SE of Akutan, Alaska · 2977 days ago · 26 km deep · 75 km away
  8. 2.9202 km SE of Akutan, Alaska · 2973 days ago · 10 km deep · 16 km away
  9. 3.2153 km S of False Pass, Alaska · 2970 days ago · 12 km deep · 85 km away
  10. 2.4239 km SE of Akutan, Alaska · 2969 days ago · 10 km deep · 32 km away
  11. 3.0215 km S of False Pass, Alaska · 2968 days ago · 10 km deep · 62 km away
  12. 2.6140 km ESE of Akutan, Alaska · 2964 days ago · 35 km deep · 91 km away
  13. 1.8139 km S of False Pass, Alaska · 2963 days ago · 5 km deep · 99 km away
  14. 2.7158 km ESE of Akutan, Alaska · 2962 days ago · 23 km deep · 79 km away
  15. 3.9160 km ESE of Akutan, Alaska · 2959 days ago · 10 km deep · 76 km away
  16. 2.4149 km S of False Pass, Alaska · 2955 days ago · 22 km deep · 93 km away
  17. 2.1152 km SSE of Akutan, Alaska · 2950 days ago · 39 km deep · 79 km away
  18. 2.5198 km SE of Akutan, Alaska · 2950 days ago · 10 km deep · 20 km away
  19. 1.8south of the Aleutian Islands · 2949 days ago · 10 km deep · 94 km away
  20. 3.8183 km SE of Akutan, Alaska · 2945 days ago · 10 km deep · 28 km away
  21. 2.1123 km SSE of Akutan, Alaska · 2942 days ago · 22 km deep · 94 km away
  22. 2.8223 km S of False Pass, Alaska · 2938 days ago · 2 km deep · 45 km away
  23. 2.2153 km ESE of Akutan, Alaska · 2936 days ago · 11 km deep · 81 km away

Before

  1. 2.6201 km SE of Akutan, Alaska · 2997 days ago · 10 km deep · 35 km away
  2. 2.6Unimak Island region, Alaska · 2998 days ago · 14 km deep · 100 km away
  3. 2.1136 km ESE of Akutan, Alaska · 2999 days ago · 38 km deep · 97 km away
  4. 2.8114 km SE of Akutan, Alaska · 3003 days ago · 16 km deep · 97 km away
  5. 3.4143 km SE of Akutan, Alaska · 3010 days ago · 28 km deep · 69 km away
  6. 2.4158 km S of False Pass, Alaska · 3012 days ago · 23 km deep · 80 km away
  7. 2.3204 km SE of Akutan, Alaska · 3014 days ago · 33 km deep · 26 km away
  8. 2.3161 km S of False Pass, Alaska · 3016 days ago · 12 km deep · 77 km away
  9. 2.8231 km SE of Akutan, Alaska · 3018 days ago · 10 km deep · 26 km away
  10. 3.4164 km S of False Pass, Alaska · 3019 days ago · 4 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000gdz3 (also filed as ak19929898, ak0189a84s6r). Read Wed, Sep 30, 2026, 8:38 PM UTC.