Alaska earthquakes

M3.1 earthquake 290 km ESE of Chiniak, Alaska

A magnitude 3.1 earthquake struck 290 km ESE of Chiniak, Alaska on Sat, Jul 8, 2023, 6:15 AM AKDT (14:15 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.7 218 km SE of Chiniak, 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
3.1 (ml), minor
Local time
UTC
2023-07-08 14:15:09 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
56.608° N, 147.858° W
Region
Alaska
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 9.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
234°, poorly surrounded by stations
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 2.9240 km SE of Chiniak, Alaska · 1178 days ago · 10 km deep · 92 km away
  2. 2.8293 km ESE of Chiniak, Alaska · 1176 days ago · 10 km deep · 3 km away
  3. 2.8234 km SE of Chiniak, Alaska · 1170 days ago · 10 km deep · 81 km away
  4. 2.2247 km ESE of Chiniak, Alaska · 1167 days ago · 12 km deep · 49 km away
  5. 3.0248 km SE of Chiniak, Alaska · 1156 days ago · 10 km deep · 93 km away
  6. 3.0264 km ESE of Chiniak, Alaska · 1153 days ago · 10 km deep · 46 km away
  7. 3.1256 km ESE of Chiniak, Alaska · 1150 days ago · 10 km deep · 45 km away
  8. 3.1232 km SE of Chiniak, Alaska · 1148 days ago · 10 km deep · 85 km away
  9. 3.2244 km SE of Chiniak, Alaska · 1144 days ago · 10 km deep · 88 km away
  10. 2.5254 km ESE of Chiniak, Alaska · 1135 days ago · 10 km deep · 44 km away
  11. 3.3267 km ESE of Chiniak, Alaska · 1135 days ago · 10 km deep · 50 km away
  12. 2.6247 km ESE of Chiniak, Alaska · 1134 days ago · 10 km deep · 46 km away
  13. 2.7226 km SE of Chiniak, Alaska · 1132 days ago · 10 km deep · 90 km away
  14. 2.9239 km SE of Chiniak, Alaska · 1129 days ago · 10 km deep · 91 km away
  15. 2.5254 km SE of Chiniak, Alaska · 1121 days ago · 19 km deep · 71 km away
  16. 3.7218 km SE of Chiniak, Alaska · 1121 days ago · 10 km deep · 86 km away

Before

  1. 2.5254 km ESE of Chiniak, Alaska · 1195 days ago · 10 km deep · 45 km away
  2. 2.9237 km ESE of Chiniak, Alaska · 1196 days ago · 10 km deep · 64 km away
  3. 2.9292 km ESE of Chiniak, Alaska · 1202 days ago · 10 km deep · 2 km away
  4. 4.1257 km ESE of Chiniak, Alaska · 1205 days ago · 10 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000kqz7 (also filed as ak0238oszw7w). Read Wed, Sep 30, 2026, 7:17 PM UTC.