Alaska earthquakes

M2.3 earthquake 121 km SSE of Old Harbor, Alaska

A magnitude 2.3 earthquake struck 121 km SSE of Old Harbor, Alaska on Thu, Oct 18, 2018, 11:17 PM AKDT (07:17 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M3.3 103 km SSE of Akhiok, Alaska. This one was a foreshock.

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Map

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
AACSE
Local time
UTC
2018-10-19 07:17:09 UTC
Depth
24.0 km (14.9 mi), shallow
Epicenter
56.202° N, 152.517° 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
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 2.8108 km SSE of Old Harbor, Alaska · 2904 days ago · 7 km deep · 14 km away
  2. 2.656 km SSE of Akhiok, Alaska · 2902 days ago · 24 km deep · 86 km away
  3. 2.2122 km SSE of Old Harbor, Alaska · 2899 days ago · 23 km deep · 1 km away
  4. 3.189 km SSE of Old Harbor, Alaska · 2897 days ago · 25 km deep · 37 km away
  5. 2.2128 km SSE of Old Harbor, Alaska · 2896 days ago · 30 km deep · 7 km away
  6. 2.551 km SSE of Akhiok, Alaska · 2895 days ago · 18 km deep · 85 km away
  7. 1.954 km SSE of Akhiok, Alaska · 2895 days ago · 22 km deep · 85 km away
  8. 2.6101 km SSE of Akhiok, Alaska · 2889 days ago · 29 km deep · 59 km away
  9. 1.967 km S of Chiniak, Alaska · 2889 days ago · 21 km deep · 94 km away
  10. 2.071 km S of Akhiok, Alaska · 2888 days ago · 14 km deep · 99 km away
  11. 2.3113 km SE of Akhiok, Alaska · 2887 days ago · 18 km deep · 30 km away
  12. 2.4102 km SE of Old Harbor, Alaska · 2882 days ago · 40 km deep · 63 km away
  13. 2.8203 km SSE of Old Harbor, Alaska · 2880 days ago · 31 km deep · 82 km away
  14. 1.9109 km SE of Akhiok, Alaska · 2871 days ago · 18 km deep · 38 km away
  15. 3.3103 km SSE of Akhiok, Alaska · 2859 days ago · 37 km deep · 59 km away
  16. 3.0105 km SSE of Akhiok, Alaska · 2859 days ago · 27 km deep · 59 km away
  17. 2.4110 km SSE of Akhiok, Alaska · 2859 days ago · 47 km deep · 60 km away
  18. 2.5104 km SSE of Akhiok, Alaska · 2859 days ago · 26 km deep · 53 km away
  19. 1.527 km SSE of Old Harbor, Alaska · 2857 days ago · 14 km deep · 94 km away
  20. 1.641 km SE of Old Harbor, Alaska · 2853 days ago · 12 km deep · 81 km away
  21. 2.143 km SSE of Old Harbor, Alaska · 2849 days ago · 19 km deep · 79 km away

Before

  1. 2.2216 km SSE of Old Harbor, Alaska · 2917 days ago · 5 km deep · 95 km away
  2. 1.749 km SE of Old Harbor, Alaska · 2919 days ago · 16 km deep · 80 km away
  3. 2.1116 km SE of Akhiok, Alaska · 2921 days ago · 25 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aacse018df171av. Read Thu, Oct 1, 2026, 6:14 PM UTC.