Alaska earthquakes

M2.1 earthquake 175 km SSE of Unalaska, Alaska

A magnitude 2.1 earthquake struck 175 km SSE of Unalaska, Alaska on Sun, Sep 23, 2018, 10:59 PM AKDT (06:59 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.7 102 km SSE of Akutan, 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
2.1 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-09-24 06:59:35 UTC
Depth
13.4 km (8.3 mi), shallow
Epicenter
52.413° N, 165.556° 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
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 3.2121 km SSE of Akutan, Alaska · 2922 days ago · 29 km deep · 100 km away
  2. 3.7102 km SSE of Akutan, Alaska · 2915 days ago · 34 km deep · 97 km away
  3. 2.1112 km SSE of Akutan, Alaska · 2912 days ago · 7 km deep · 100 km away
  4. 3.2123 km SSE of Akutan, Alaska · 2910 days ago · 20 km deep · 97 km away
  5. 2.1135 km SSE of Akutan, Alaska · 2910 days ago · 20 km deep · 99 km away
  6. 1.8115 km SE of Unalaska, Alaska · 2909 days ago · 8 km deep · 67 km away
  7. 3.3199 km SSE of Unalaska, Alaska · 2905 days ago · 25 km deep · 27 km away
  8. 3.5146 km ESE of Nikolski, Alaska · 2893 days ago · 24 km deep · 89 km away
  9. 2.3150 km ESE of Nikolski, Alaska · 2892 days ago · 18 km deep · 86 km away
  10. 2.3183 km SSE of Unalaska, Alaska · 2892 days ago · 34 km deep · 9 km away
  11. 3.7129 km SSE of Unalaska, Alaska · 2879 days ago · 15 km deep · 54 km away
  12. 2.5140 km ESE of Nikolski, Alaska · 2870 days ago · 10 km deep · 95 km away

Before

  1. 1.9174 km SSE of Unalaska, Alaska · 2933 days ago · 23 km deep · 36 km away
  2. 1.8158 km ESE of Nikolski, Alaska · 2933 days ago · 25 km deep · 89 km away
  3. 1.7109 km SSE of Unalaska, Alaska · 2934 days ago · 23 km deep · 71 km away
  4. 2.1123 km SSE of Akutan, Alaska · 2942 days ago · 22 km deep · 96 km away
  5. 2.1200 km SSE of Unalaska, Alaska · 2947 days ago · 5 km deep · 26 km away
  6. 1.8south of the Aleutian Islands · 2949 days ago · 10 km deep · 40 km away
  7. 3.9172 km SSE of Unalaska, Alaska · 2949 days ago · 10 km deep · 12 km away
  8. 2.1152 km SSE of Akutan, Alaska · 2951 days ago · 39 km deep · 75 km away
  9. 3.8198 km SSE of Unalaska, Alaska · 2953 days ago · 10 km deep · 41 km away
  10. 1.9147 km ESE of Nikolski, Alaska · 2957 days ago · 17 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018c9oezi7 (also filed as ak20269830). Read Thu, Oct 1, 2026, 2:37 AM UTC.