Alaska earthquakes

M3.7 earthquake 280 km SW of Adak, Alaska

A magnitude 3.7 earthquake struck 280 km SW of Adak, Alaska on Thu, Nov 17, 2022, 5:44 AM GMT-12 (17:44 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.9 279 km SW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
3.7 (mb), minor
Local time
UTC
2022-11-17 17:44:44 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.038° N, 179.363° 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 6.5 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.14
Depth from
Operator assigned
Station coverage gap
162°
Stations used
39

Nearby

Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 2.6218 km WSW of Adak, Alaska · 1399 days ago · 12 km deep · 94 km away
  2. 3.9279 km SW of Adak, Alaska · 1371 days ago · 10 km deep · 4 km away
  3. 3.1Rat Islands, Aleutian Islands, Alaska · 1362 days ago · 10 km deep · 61 km away
  4. 2.8249 km SW of Adak, Alaska · 1357 days ago · 10 km deep · 31 km away

Before

  1. 2.4215 km SSW of Adak, Alaska · 1427 days ago · 26 km deep · 79 km away
  2. 2.6Rat Islands, Aleutian Islands, Alaska · 1431 days ago · 10 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000irk3 (also filed as ak022er5wb35). Read Wed, Sep 30, 2026, 11:16 PM UTC.