Alaska earthquakes

M2.7 earthquake 194 km SSE of Unalaska, Alaska

A magnitude 2.7 earthquake struck 194 km SSE of Unalaska, Alaska on Fri, Sep 27, 2024, 3:24 PM AKDT (23:24 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M4.5 192 km SSE of Unalaska, 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
2.7 (ml), micro
Local time
UTC
2024-09-27 23:24:53 UTC
Depth
18.3 km (11.4 mi), shallow
Epicenter
52.312° N, 165.240° 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.

Location uncertainty
About 8.4 km horizontally, 9.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
260°, poorly surrounded by stations
Stations used
11

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 7 in the 30 days before it.

After

  1. 2.9225 km SSE of Unalaska, Alaska · 727 days ago · 16 km deep · 40 km away
  2. 3.9184 km SSE of Unalaska, Alaska · 727 days ago · 27 km deep · 19 km away
  3. 3.0161 km S of Unalaska, Alaska · 726 days ago · 35 km deep · 93 km away
  4. 3.2101 km SE of Unalaska, Alaska · 721 days ago · 35 km deep · 100 km away
  5. 2.3197 km SSE of Unalaska, Alaska · 721 days ago · 5 km deep · 47 km away
  6. 2.6141 km SSE of Akutan, Alaska · 715 days ago · 10 km deep · 95 km away
  7. 2.7212 km SSE of Akutan, Alaska · 714 days ago · 10 km deep · 88 km away
  8. 1.8112 km SSE of Unalaska, Alaska · 714 days ago · 26 km deep · 83 km away
  9. 2.7143 km SSE of Akutan, Alaska · 712 days ago · 28 km deep · 93 km away
  10. 2.1116 km SSE of Unalaska, Alaska · 711 days ago · 10 km deep · 78 km away
  11. 2.0163 km SSE of Unalaska, Alaska · 709 days ago · 5 km deep · 33 km away
  12. 2.6139 km SE of Akutan, Alaska · 708 days ago · 10 km deep · 99 km away
  13. 2.6143 km S of Unalaska, Alaska · 706 days ago · 10 km deep · 100 km away
  14. 2.7105 km SE of Unalaska, Alaska · 702 days ago · 35 km deep · 95 km away
  15. 3.0212 km SE of Unalaska, Alaska · 697 days ago · 10 km deep · 41 km away
  16. 4.5192 km SSE of Unalaska, Alaska · 696 days ago · 15 km deep · 10 km away

Before

  1. 2.7209 km SSE of Unalaska, Alaska · 741 days ago · 10 km deep · 51 km away
  2. 3.0158 km S of Unalaska, Alaska · 741 days ago · 10 km deep · 64 km away
  3. 3.7155 km S of Unalaska, Alaska · 741 days ago · 10 km deep · 68 km away
  4. 2.5138 km S of Unalaska, Alaska · 743 days ago · 24 km deep · 81 km away
  5. 2.2121 km SSE of Unalaska, Alaska · 752 days ago · 15 km deep · 73 km away
  6. 2.6186 km SSE of Akutan, Alaska · 752 days ago · 10 km deep · 78 km away
  7. 1.695 km SSE of Unalaska, Alaska · 755 days ago · 21 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000npyj (also filed as ak024cgkha5c). Read Tue, Sep 29, 2026, 7:04 AM UTC.