Alaska earthquakes

M2.6 earthquake 154 km SSE of Atka, Alaska

A magnitude 2.6 earthquake struck 154 km SSE of Atka, Alaska on Thu, Nov 15, 2018, 4:31 PM HAST (02:31 UTC), 33 km (20 mi) below the surface.

A larger quake followed: M3.9 94 km SSW 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
2.6 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-11-16 02:31:28 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
50.835° N, 173.754° 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 4.5 km horizontally, 13.1 km in depth
Depth from
From location
Station coverage gap
243°, poorly surrounded by stations
Stations used
17

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.883 km S of Atka, Alaska · 2861 days ago · 35 km deep · 81 km away
  2. 2.386 km SSW of Atka, Alaska · 2858 days ago · 14 km deep · 83 km away
  3. 3.994 km SSW of Atka, Alaska · 2854 days ago · 41 km deep · 95 km away
  4. 2.260 km SSE of Atka, Alaska · 2847 days ago · 34 km deep · 94 km away
  5. 2.7Andreanof Islands, Aleutian Islands, Alaska · 2845 days ago · 28 km deep · 86 km away
  6. 3.393 km SSE of Atka, Alaska · 2845 days ago · 35 km deep · 76 km away
  7. 2.7118 km SSW of Atka, Alaska · 2839 days ago · 26 km deep · 98 km away
  8. 2.7192 km SSE of Atka, AK · 2836 days ago · 29 km deep · 38 km away
  9. 3.8112 km SSW of Atka, Alaska · 2833 days ago · 31 km deep · 95 km away
  10. 2.9117 km SSW of Atka, Alaska · 2833 days ago · 20 km deep · 97 km away
  11. 2.4120 km SSW of Atka, Alaska · 2821 days ago · 26 km deep · 93 km away

Before

  1. 2.7163 km SSE of Atka, Alaska · 2879 days ago · 24 km deep · 48 km away
  2. 2.162 km SSE of Atka, Alaska · 2889 days ago · 4 km deep · 94 km away
  3. 3.078 km SSW of Atka, Alaska · 2891 days ago · 33 km deep · 88 km away
  4. 2.586 km S of Atka, Alaska · 2893 days ago · 35 km deep · 71 km away
  5. 4.693 km S of Atka, Alaska · 2893 days ago · 10 km deep · 71 km away
  6. 2.4204 km S of Atka, Alaska · 2894 days ago · 15 km deep · 50 km away
  7. 1.695 km S of Atka, Alaska · 2894 days ago · 27 km deep · 60 km away
  8. 2.2108 km SSW of Atka, Alaska · 2895 days ago · 40 km deep · 100 km away
  9. 3.1206 km SE of Atka, Alaska · 2896 days ago · 10 km deep · 96 km away
  10. 2.571 km S of Atka, Alaska · 2902 days ago · 35 km deep · 87 km away
  11. 3.8100 km S of Atka, Alaska · 2906 days ago · 27 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000hx5a. Read Fri, Oct 2, 2026, 4:50 PM UTC.