Alaska earthquakes

M4.1 earthquake 156 km WSW of Adak, Alaska

A magnitude 4.1 earthquake struck 156 km WSW of Adak, Alaska on Wed, Nov 5, 1997, 6:08 PM HAST (04:08 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.0 190 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1997-11-06 04:08:19 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.430° N, 178.773° 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.

Depth from
OPERATOR_ASSIGNED

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.4146 km WSW of Adak, Alaska · 10555 days ago · 33 km deep · 10 km away
  2. 4.7117 km WSW of Adak, Alaska · 10554 days ago · 33 km deep · 41 km away
  3. 4.990 km WSW of Adak, Alaska · 10550 days ago · 33 km deep · 73 km away
  4. 4.5127 km WSW of Adak, Alaska · 10540 days ago · 33 km deep · 46 km away
  5. 4.7194 km WSW of Adak, Alaska · 10540 days ago · 33 km deep · 39 km away
  6. 4.5193 km W of Adak, Alaska · 10540 days ago · 131 km deep · 82 km away
  7. 4.2137 km SW of Adak, Alaska · 10539 days ago · 33 km deep · 42 km away
  8. 3.9190 km W of Adak, Alaska · 10537 days ago · 33 km deep · 45 km away
  9. 4.3152 km SW of Adak, Alaska · 10532 days ago · 33 km deep · 46 km away
  10. 4.7172 km WSW of Adak, Alaska · 10529 days ago · 33 km deep · 17 km away
  11. 5.0190 km WSW of Adak, Alaska · 10523 days ago · 33 km deep · 34 km away
  12. 4.3203 km WSW of Adak, Alaska · 10515 days ago · 33 km deep · 48 km away
  13. 4.4180 km W of Adak, Alaska · 10514 days ago · 33 km deep · 58 km away
  14. 3.2137 km WSW of Adak, Alaska · 10512 days ago · 33 km deep · 20 km away

Before

  1. 4.1106 km W of Adak, Alaska · 10575 days ago · 110 km deep · 79 km away
  2. 4.7107 km SW of Adak, Alaska · 10578 days ago · 33 km deep · 65 km away
  3. 6.499 km WSW of Adak, Alaska · 10579 days ago · 22 km deep · 62 km away
  4. 4.6136 km WSW of Adak, Alaska · 10582 days ago · 33 km deep · 26 km away
  5. 4.587 km SW of Adak, Alaska · 10583 days ago · 33 km deep · 77 km away
  6. 4.9113 km WSW of Adak, Alaska · 10585 days ago · 33 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0008a5z. Read Fri, Oct 2, 2026, 11:36 AM UTC.