Alaska earthquakes

M2.7 earthquake 195 km SE of Chignik, Alaska

A magnitude 2.7 earthquake struck 195 km SE of Chignik, Alaska on Mon, Nov 6, 2023, 11:48 PM AKST (08:48 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M4.4 202 km SE of Perryville, 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
2.7 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-11-07 08:48:07 UTC
Depth
25.3 km (15.7 mi), shallow
Epicenter
54.938° N, 156.433° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.7ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
2.6ML, local (Richter)USGS National Earthquake Information CenterReviewed · ±0.115 · 10 stations

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
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.5151 km SE of Perryville, Alaska · 1055 days ago · 23 km deep · 84 km away
  2. 2.9178 km SSW of Akhiok, Alaska · 1048 days ago · 7 km deep · 96 km away
  3. 2.8213 km SE of Perryville, Alaska · 1048 days ago · 5 km deep · 35 km away
  4. 2.4152 km SE of Perryville, Alaska · 1048 days ago · 14 km deep · 60 km away
  5. 2.9185 km SE of Perryville, Alaska · 1041 days ago · 9 km deep · 37 km away
  6. 3.1195 km SE of Perryville, Alaska · 1041 days ago · 26 km deep · 32 km away
  7. 2.8171 km SE of Chignik, Alaska · 1039 days ago · 28 km deep · 53 km away
  8. 3.7199 km SE of Chignik, Alaska · 1033 days ago · 12 km deep · 35 km away
  9. 2.7130 km SE of Chignik, Alaska · 1031 days ago · 25 km deep · 68 km away
  10. 3.2152 km SE of Chignik, Alaska · 1019 days ago · 16 km deep · 43 km away
  11. 2.6201 km SSW of Akhiok, Alaska · 1019 days ago · 20 km deep · 79 km away
  12. 4.4202 km SE of Perryville, Alaska · 1015 days ago · 15 km deep · 38 km away
  13. 3.3203 km SE of Perryville, Alaska · 1015 days ago · 3 km deep · 38 km away
  14. 3.4194 km SE of Perryville, Alaska · 1015 days ago · 33 km deep · 38 km away
  15. 3.3198 km SE of Perryville, Alaska · 1013 days ago · 2 km deep · 33 km away
  16. 2.4116 km SE of Chignik, Alaska · 1012 days ago · 2 km deep · 83 km away
  17. 3.2210 km SSE of Perryville, Alaska · 1007 days ago · 4 km deep · 93 km away

Before

  1. 3.7207 km SE of Chignik, Alaska · 1063 days ago · 1 km deep · 13 km away
  2. 2.4195 km SE of Chignik, Alaska · 1066 days ago · 1 km deep · 26 km away
  3. 3.1157 km SE of Chignik, Alaska · 1068 days ago · 16 km deep · 40 km away
  4. 2.4180 km SE of Perryville, Alaska · 1069 days ago · 9 km deep · 41 km away
  5. 2.6118 km SE of Chignik, Alaska · 1071 days ago · 19 km deep · 77 km away
  6. 2.6175 km SE of Perryville, Alaska · 1090 days ago · 20 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak023eah6pd9 (also filed as us6000lq84). Read Sun, Oct 4, 2026, 8:11 PM UTC.