Alaska earthquakes

M2.8 earthquake 108 km SSE of Old Harbor, Alaska

A magnitude 2.8 earthquake struck 108 km SSE of Old Harbor, Alaska on Thu, Oct 18, 2018, 11:50 PM AKDT (07:50 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.1 89 km SSE of Old Harbor, Alaska. This one was a foreshock.

Womens Bay 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
2018-10-19 07:50:48 UTC
Depth
7.1 km (4.4 mi), shallow
Epicenter
56.289° N, 152.683° 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
46

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 2.656 km SSE of Akhiok, Alaska · 2893 days ago · 24 km deep · 73 km away
  2. 2.2122 km SSE of Old Harbor, Alaska · 2890 days ago · 23 km deep · 15 km away
  3. 3.189 km SSE of Old Harbor, Alaska · 2888 days ago · 25 km deep · 22 km away
  4. 2.2128 km SSE of Old Harbor, Alaska · 2887 days ago · 30 km deep · 21 km away
  5. 2.551 km SSE of Akhiok, Alaska · 2886 days ago · 18 km deep · 72 km away
  6. 1.954 km SSE of Akhiok, Alaska · 2886 days ago · 22 km deep · 72 km away
  7. 2.6101 km SSE of Akhiok, Alaska · 2880 days ago · 29 km deep · 51 km away
  8. 1.967 km S of Chiniak, Alaska · 2880 days ago · 21 km deep · 88 km away
  9. 2.071 km S of Akhiok, Alaska · 2879 days ago · 14 km deep · 88 km away
  10. 2.3113 km SE of Akhiok, Alaska · 2878 days ago · 18 km deep · 24 km away
  11. 2.4102 km SE of Old Harbor, Alaska · 2873 days ago · 40 km deep · 63 km away
  12. 2.8203 km SSE of Old Harbor, Alaska · 2871 days ago · 31 km deep · 96 km away
  13. 1.516 km ESE of Old Harbor, Alaska · 2865 days ago · 15 km deep · 96 km away
  14. 1.9109 km SE of Akhiok, Alaska · 2862 days ago · 18 km deep · 31 km away
  15. 1.724 km E of Akhiok, Alaska · 2858 days ago · 10 km deep · 96 km away
  16. 3.3103 km SSE of Akhiok, Alaska · 2850 days ago · 37 km deep · 52 km away
  17. 3.0105 km SSE of Akhiok, Alaska · 2850 days ago · 27 km deep · 52 km away
  18. 2.4110 km SSE of Akhiok, Alaska · 2850 days ago · 47 km deep · 54 km away
  19. 2.5104 km SSE of Akhiok, Alaska · 2850 days ago · 26 km deep · 46 km away
  20. 1.527 km SSE of Old Harbor, Alaska · 2848 days ago · 14 km deep · 81 km away
  21. 1.641 km SE of Old Harbor, Alaska · 2844 days ago · 12 km deep · 69 km away
  22. 2.143 km SSE of Old Harbor, Alaska · 2840 days ago · 19 km deep · 66 km away

Before

  1. 2.3121 km SSE of Old Harbor, Alaska · 2895 days ago · 24 km deep · 14 km away
  2. 1.516 km S of Old Harbor, Alaska · 2907 days ago · 12 km deep · 93 km away
  3. 1.749 km SE of Old Harbor, Alaska · 2909 days ago · 16 km deep · 70 km away
  4. 2.1116 km SE of Akhiok, Alaska · 2912 days ago · 25 km deep · 30 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018df1e70i (also filed as ak20287080, us1000hean, aacse018df1e70i). Read Tue, Sep 22, 2026, 4:04 PM UTC.