Alaska earthquakes

M2.3 earthquake 75 km ESE of Nikolski, Alaska

A magnitude 2.3 earthquake struck 75 km ESE of Nikolski, Alaska on Mon, Sep 21, 2026, 8:12 PM AKDT (04:12 UTC), 28 km (18 mi) below the surface.

A larger quake followed: M3.5 119 km ESE of Nikolski, 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
2026-09-22 04:12:47 UTC
Depth
28.4 km (17.6 mi), shallow
Epicenter
52.804° N, 167.761° 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. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 10.0 km horizontally, 4.6 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
239°, poorly surrounded by stations
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 5 since this one and 65 in the 30 days before it.

After

  1. 1.642 km NE of Nikolski, Alaska · 9 days ago · 99 km deep · 67 km away
  2. 2.371 km SE of Nikolski, Alaska · 9 days ago · 12 km deep · 44 km away
  3. 3.5119 km ESE of Nikolski, Alaska · 7 days ago · 17 km deep · 54 km away
  4. 2.490 km SSW of Unalaska, Alaska · 3 days ago · 23 km deep · 70 km away
  5. 2.274 km SW of Unalaska, Alaska · 2 days ago · 11 km deep · 75 km away

Before

  1. 2.9112 km E of Nikolski, Alaska · 10 days ago · 6 km deep · 37 km away
  2. 2.374 km E of Nikolski, Alaska · 10 days ago · 55 km deep · 10 km away
  3. 2.898 km SE of Nikolski, Alaska · 10 days ago · 28 km deep · 56 km away
  4. 2.758 km SE of Nikolski, Alaska · 10 days ago · 31 km deep · 36 km away
  5. 2.784 km S of Nikolski, Alaska · 11 days ago · 10 km deep · 96 km away
  6. 2.472 km ESE of Nikolski, Alaska · 12 days ago · 38 km deep · 14 km away
  7. 2.282 km SW of Unalaska, Alaska · 12 days ago · 19 km deep · 62 km away
  8. 2.441 km SE of Nikolski, Alaska · 13 days ago · 42 km deep · 48 km away
  9. 2.177 km SW of Unalaska, Alaska · 14 days ago · 12 km deep · 67 km away
  10. 3.695 km SSW of Unalaska, Alaska · 15 days ago · 20 km deep · 59 km away
  11. 2.952 km SSW of Unalaska, Alaska · 15 days ago · 70 km deep · 93 km away
  12. 2.592 km E of Nikolski, Alaska · 16 days ago · 3 km deep · 17 km away
  13. 4.092 km SSW of Unalaska, Alaska · 16 days ago · 18 km deep · 59 km away
  14. 2.464 km SSW of Unalaska, Alaska · 16 days ago · 11 km deep · 80 km away
  15. 2.391 km S of Unalaska, Alaska · 18 days ago · 19 km deep · 82 km away
  16. 3.278 km E of Nikolski, Alaska · 18 days ago · 21 km deep · 8 km away
  17. 2.357 km SSE of Nikolski, Alaska · 18 days ago · 6 km deep · 58 km away
  18. 2.298 km SSW of Unalaska, Alaska · 19 days ago · 30 km deep · 56 km away
  19. 2.055 km SW of Unalaska, Alaska · 19 days ago · 24 km deep · 91 km away
  20. 3.689 km SSW of Unalaska, Alaska · 19 days ago · 35 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026styfbb. Read Thu, Oct 1, 2026, 4:43 AM UTC.