Alaska earthquakes

M3.5 earthquake 268 km SSW of Adak, Alaska

A magnitude 3.5 earthquake struck 268 km SSW of Adak, Alaska on Tue, Jul 11, 2023, 6:34 PM GMT-12 (06:34 UTC), 17 km (11 mi) below the surface.

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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
3.5 (ml), minor
Local time
UTC
2023-07-12 06:34:16 UTC
Depth
17.0 km (10.5 mi), shallow
Epicenter
49.883° N, 178.792° 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 5.9 km horizontally, 8.5 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
261°, poorly surrounded by stations
Stations used
20

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 2.2207 km SSW of Adak, Alaska · 1173 days ago · 0 km deep · 62 km away
  2. 2.8Rat Islands, Aleutian Islands, Alaska · 1159 days ago · 10 km deep · 98 km away
  3. 2.6247 km SW of Adak, Alaska · 1155 days ago · 39 km deep · 71 km away
  4. 2.5241 km SSW of Adak, Alaska · 1147 days ago · 10 km deep · 57 km away
  5. 2.6280 km SW of Adak, Alaska · 1146 days ago · 10 km deep · 14 km away
  6. 3.0274 km SW of Adak, Alaska · 1143 days ago · 10 km deep · 17 km away
  7. 2.5Rat Islands, Aleutian Islands, Alaska · 1143 days ago · 10 km deep · 93 km away
  8. 2.1195 km SSW of Adak, Alaska · 1139 days ago · 1 km deep · 81 km away
  9. 2.4244 km SSW of Adak, Alaska · 1138 days ago · 10 km deep · 39 km away
  10. 1.9190 km SW of Adak, Alaska · 1133 days ago · 5 km deep · 78 km away
  11. 2.7274 km SW of Adak, Alaska · 1132 days ago · 10 km deep · 79 km away
  12. 3.1264 km SW of Adak, Alaska · 1117 days ago · 10 km deep · 5 km away

Before

  1. 2.1Andreanof Islands, Aleutian Islands, Alaska · 1186 days ago · 25 km deep · 68 km away
  2. 3.3255 km SSW of Adak, Alaska · 1196 days ago · 10 km deep · 28 km away
  3. 2.1Rat Islands, Aleutian Islands, Alaska · 1206 days ago · 5 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kf68 (also filed as ak0238vahx1f). Read Thu, Oct 1, 2026, 12:50 AM UTC.