Alaska earthquakes

M2.3 earthquake 245 km ESE of Chiniak, Alaska

A magnitude 2.3 earthquake struck 245 km ESE of Chiniak, Alaska on Tue, Oct 5, 2021, 1:09 AM AKDT (09:09 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M2.9 228 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
2.3 (ml), micro
Local time
UTC
2021-10-05 09:09:00 UTC
Depth
12.0 km (7.5 mi), shallow
Epicenter
56.638° N, 148.647° 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
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.9228 km SE of Chiniak, Alaska · 1812 days ago · 10 km deep · 45 km away
  2. 3.4200 km SE of Chiniak, Alaska · 1810 days ago · 10 km deep · 57 km away
  3. 3.0242 km ESE of Chiniak, Alaska · 1806 days ago · 10 km deep · 9 km away
  4. 3.0239 km SE of Chiniak, Alaska · 1803 days ago · 10 km deep · 91 km away
  5. 3.1230 km SE of Chiniak, Alaska · 1801 days ago · 10 km deep · 62 km away
  6. 2.9199 km SE of Chiniak, Alaska · 1798 days ago · 10 km deep · 87 km away
  7. 3.0252 km SE of Chiniak, Alaska · 1793 days ago · 21 km deep · 72 km away
  8. 3.1257 km SE of Chiniak, Alaska · 1793 days ago · 11 km deep · 83 km away
  9. 3.9236 km SE of Chiniak, Alaska · 1791 days ago · 10 km deep · 48 km away
  10. 3.4205 km SE of Chiniak, Alaska · 1790 days ago · 10 km deep · 93 km away
  11. 3.1188 km SE of Chiniak, Alaska · 1788 days ago · 22 km deep · 81 km away
  12. 2.7227 km SE of Chiniak, Alaska · 1781 days ago · 10 km deep · 46 km away
  13. 2.8228 km SE of Chiniak, Alaska · 1779 days ago · 10 km deep · 45 km away
  14. 3.8232 km SE of Chiniak, Alaska · 1778 days ago · 19 km deep · 65 km away
  15. 3.1240 km ESE of Chiniak, Alaska · 1777 days ago · 10 km deep · 6 km away
  16. 3.1259 km SE of Chiniak, Alaska · 1769 days ago · 10 km deep · 91 km away
  17. 4.1257 km SE of Chiniak, Alaska · 1766 days ago · 10 km deep · 42 km away
  18. 3.3243 km SE of Chiniak, Alaska · 1764 days ago · 10 km deep · 70 km away
  19. 3.0241 km SE of Chiniak, Alaska · 1762 days ago · 10 km deep · 47 km away
  20. 3.2240 km SE of Chiniak, Alaska · 1760 days ago · 24 km deep · 89 km away

Before

  1. 3.3210 km SE of Chiniak, Alaska · 1815 days ago · 10 km deep · 94 km away
  2. 2.8290 km SE of Chiniak, Alaska · 1823 days ago · 10 km deep · 78 km away
  3. 3.3216 km SE of Chiniak, Alaska · 1826 days ago · 10 km deep · 88 km away
  4. 3.4Gulf of Alaska · 1827 days ago · 10 km deep · 37 km away
  5. 2.6181 km ESE of Chiniak, Alaska · 1829 days ago · 10 km deep · 63 km away
  6. 3.4249 km SE of Chiniak, Alaska · 1830 days ago · 10 km deep · 72 km away
  7. 3.1224 km SE of Chiniak, Alaska · 1835 days ago · 10 km deep · 81 km away
  8. 3.2Gulf of Alaska · 1842 days ago · 10 km deep · 69 km away
  9. 2.8239 km SE of Chiniak, Alaska · 1843 days ago · 10 km deep · 60 km away
  10. 3.1261 km SE of Chiniak, Alaska · 1843 days ago · 10 km deep · 76 km away
  11. 2.8227 km SE of Chiniak, Alaska · 1843 days ago · 10 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021crwtb6r. Read Wed, Sep 23, 2026, 11:15 PM UTC.