Alaska earthquakes

M2.3 earthquake 213 km SSE of Unalaska, Alaska

A magnitude 2.3 earthquake struck 213 km SSE of Unalaska, Alaska on Thu, Jul 27, 2023, 5:37 AM AKDT (13:37 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.0 240 km SE 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
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-07-27 13:37:19 UTC
Depth
2.6 km (1.6 mi), shallow
Epicenter
52.256° N, 164.813° 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
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 2.6south of the Aleutian Islands · 1157 days ago · 10 km deep · 40 km away
  2. 2.1198 km SSE of Unalaska, Alaska · 1157 days ago · 4 km deep · 30 km away
  3. 2.9south of the Aleutian Islands · 1147 days ago · 10 km deep · 68 km away
  4. 2.5184 km SE of Akutan, Alaska · 1140 days ago · 10 km deep · 97 km away
  5. 2.1204 km SSE of Akutan, Alaska · 1139 days ago · 12 km deep · 62 km away
  6. 2.9183 km SSE of Akutan, Alaska · 1132 days ago · 10 km deep · 46 km away
  7. 1.9115 km SSE of Unalaska, Alaska · 1131 days ago · 7 km deep · 98 km away
  8. 2.6194 km SE of Akutan, Alaska · 1130 days ago · 10 km deep · 83 km away
  9. 1.9120 km SSE of Unalaska, Alaska · 1123 days ago · 24 km deep · 94 km away
  10. 2.0142 km SSE of Akutan, Alaska · 1121 days ago · 18 km deep · 91 km away
  11. 2.9210 km SSE of Akutan, Alaska · 1115 days ago · 10 km deep · 65 km away
  12. 3.0240 km SE of Akutan, Alaska · 1114 days ago · 16 km deep · 93 km away
  13. 2.9190 km SSE of Akutan, Alaska · 1109 days ago · 10 km deep · 41 km away
  14. 2.9south of the Aleutian Islands · 1108 days ago · 10 km deep · 72 km away
  15. 2.6185 km SSE of Unalaska, Alaska · 1108 days ago · 10 km deep · 70 km away

Before

  1. 2.6212 km SE of Akutan, Alaska · 1168 days ago · 10 km deep · 73 km away
  2. 2.3187 km SE of Akutan, Alaska · 1169 days ago · 0 km deep · 87 km away
  3. 2.7194 km SSE of Unalaska, Alaska · 1172 days ago · 18 km deep · 20 km away
  4. 1.7179 km SSE of Unalaska, Alaska · 1176 days ago · 6 km deep · 43 km away
  5. 2.8198 km SSE of Unalaska, Alaska · 1190 days ago · 10 km deep · 15 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0239k7qslt. Read Thu, Oct 1, 2026, 11:57 AM UTC.