Alaska earthquakes

M2.4 earthquake 261 km ESE of Chiniak, Alaska

A magnitude 2.4 earthquake struck 261 km ESE of Chiniak, Alaska on Mon, Jul 21, 2025, 4:40 AM AKDT (12:40 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.2 249 km ESE 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
2.4 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-07-21 12:40:15 UTC
Depth
11.6 km (7.2 mi), shallow
Epicenter
56.695° N, 148.306° 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
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 3.2249 km ESE of Chiniak, Alaska · 429 days ago · 10 km deep · 28 km away
  2. 2.8292 km E of Chiniak, Alaska · 428 days ago · 10 km deep · 77 km away
  3. 2.3267 km ESE of Chiniak, Alaska · 424 days ago · 2 km deep · 58 km away
  4. 3.1212 km SE of Chiniak, Alaska · 423 days ago · 10 km deep · 66 km away
  5. 2.6256 km SE of Chiniak, Alaska · 423 days ago · 10 km deep · 50 km away
  6. 3.0255 km ESE of Chiniak, Alaska · 418 days ago · 10 km deep · 28 km away
  7. 2.8273 km SE of Chiniak, Alaska · 417 days ago · 10 km deep · 57 km away
  8. 2.7237 km SE of Chiniak, Alaska · 416 days ago · 10 km deep · 76 km away
  9. 2.6237 km ESE of Chiniak, Alaska · 414 days ago · 10 km deep · 24 km away
  10. 3.2249 km ESE of Chiniak, Alaska · 414 days ago · 10 km deep · 41 km away
  11. 2.5235 km SE of Chiniak, Alaska · 409 days ago · 10 km deep · 78 km away
  12. 3.1225 km ESE of Chiniak, Alaska · 404 days ago · 30 km deep · 52 km away

Before

  1. 2.7263 km ESE of Chiniak, Alaska · 440 days ago · 10 km deep · 6 km away
  2. 3.4254 km SE of Chiniak, Alaska · 443 days ago · 10 km deep · 76 km away
  3. 3.1195 km ESE of Chiniak, Alaska · 451 days ago · 11 km deep · 80 km away
  4. 3.1263 km ESE of Chiniak, Alaska · 452 days ago · 10 km deep · 22 km away
  5. 2.8234 km SE of Chiniak, Alaska · 459 days ago · 10 km deep · 55 km away
  6. 2.7223 km ESE of Chiniak, Alaska · 465 days ago · 10 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0259a9y05d. Read Fri, Oct 2, 2026, 3:19 PM UTC.