Alaska earthquakes

M2.7 earthquake 150 km S of Unalaska, Alaska

A magnitude 2.7 earthquake struck 150 km S of Unalaska, Alaska on Mon, Sep 7, 2026, 1:13 PM AKDT (21:13 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.6 86 km SSW of Unalaska, Alaska. This one was a foreshock.

Unalaska forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.7 (ml), micro
Local time
UTC
2026-09-07 21:13:44 UTC
Depth
8.0 km (5.0 mi), shallow
Epicenter
52.522° N, 166.605° 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 10.4 km horizontally, 12.2 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
265°, poorly surrounded by stations
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 since this one and 57 in the 30 days before it.

After

  1. 2.076 km SE of Nikolski, Alaska · 13 days ago · 13 km deep · 92 km away
  2. 2.1153 km ESE of Nikolski, Alaska · 13 days ago · 20 km deep · 13 km away
  3. 2.3145 km ESE of Nikolski, Alaska · 12 days ago · 25 km deep · 29 km away
  4. 2.199 km SSE of Unalaska, Alaska · 11 days ago · 80 km deep · 63 km away
  5. 3.686 km SSW of Unalaska, Alaska · 11 days ago · 39 km deep · 80 km away
  6. 2.298 km SSW of Unalaska, Alaska · 10 days ago · 30 km deep · 63 km away
  7. 3.278 km E of Nikolski, Alaska · 10 days ago · 21 km deep · 83 km away
  8. 2.391 km S of Unalaska, Alaska · 9 days ago · 19 km deep · 60 km away
  9. 2.464 km SSW of Unalaska, Alaska · 8 days ago · 11 km deep · 99 km away
  10. 4.092 km SSW of Unalaska, Alaska · 8 days ago · 18 km deep · 70 km away
  11. 2.592 km E of Nikolski, Alaska · 7 days ago · 3 km deep · 69 km away
  12. 3.695 km SSW of Unalaska, Alaska · 6 days ago · 20 km deep · 66 km away
  13. 2.177 km SW of Unalaska, Alaska · 6 days ago · 12 km deep · 97 km away

Before

  1. 2.3104 km SE of Unalaska, Alaska · 16 days ago · 13 km deep · 94 km away
  2. 2.583 km ESE of Nikolski, Alaska · 16 days ago · 1 km deep · 76 km away
  3. 2.780 km SW of Unalaska, Alaska · 17 days ago · 78 km deep · 94 km away
  4. 2.697 km S of Unalaska, Alaska · 17 days ago · 15 km deep · 53 km away
  5. 2.591 km SSW of Unalaska, Alaska · 19 days ago · 37 km deep · 62 km away
  6. 2.6149 km ESE of Nikolski, Alaska · 19 days ago · 10 km deep · 12 km away
  7. 2.6159 km SE of Nikolski, Alaska · 21 days ago · 10 km deep · 61 km away
  8. 2.6132 km SE of Unalaska, Alaska · 23 days ago · 20 km deep · 93 km away
  9. 2.6111 km S of Unalaska, Alaska · 23 days ago · 57 km deep · 42 km away
  10. 2.2146 km S of Unalaska, Alaska · 24 days ago · 20 km deep · 13 km away
  11. 2.6194 km SSE of Unalaska, Alaska · 24 days ago · 4 km deep · 98 km away
  12. 3.0134 km S of Unalaska, Alaska · 24 days ago · 10 km deep · 16 km away
  13. 2.8131 km S of Unalaska, Alaska · 24 days ago · 12 km deep · 20 km away
  14. 2.391 km SSW of Unalaska, Alaska · 25 days ago · 28 km deep · 62 km away
  15. 2.987 km S of Unalaska, Alaska · 26 days ago · 35 km deep · 65 km away
  16. 2.276 km SSW of Unalaska, Alaska · 26 days ago · 60 km deep · 77 km away
  17. 2.5102 km S of Unalaska, Alaska · 26 days ago · 17 km deep · 48 km away
  18. 2.080 km S of Unalaska, Alaska · 27 days ago · 39 km deep · 71 km away
  19. 2.7189 km SSE of Unalaska, Alaska · 28 days ago · 18 km deep · 87 km away
  20. 1.862 km SSW of Unalaska, Alaska · 28 days ago · 15 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026rtnyak. Read Tue, Sep 22, 2026, 10:31 PM UTC.