Alaska earthquakes

M5.0 earthquake 190 km WSW of Adak, Alaska

A magnitude 5.0 earthquake struck 190 km WSW of Adak, Alaska on Wed, Dec 10, 1997, 1:12 AM HAST (11:12 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.4 273 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
5.0 (Ms, surface-wave), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1997-12-10 11:12:44 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.308° N, 179.228° 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 2.0 and up: 14 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.3203 km WSW of Adak, Alaska · 10515 days ago · 33 km deep · 17 km away
  2. 4.4180 km W of Adak, Alaska · 10514 days ago · 33 km deep · 61 km away
  3. 3.2137 km WSW of Adak, Alaska · 10512 days ago · 33 km deep · 54 km away
  4. 3.7287 km WSW of Adak, Alaska · 10511 days ago · 33 km deep · 99 km away
  5. 3.1260 km W of Adak, Alaska · 10508 days ago · 33 km deep · 88 km away
  6. 4.5278 km WSW of Adak, Alaska · 10495 days ago · 33 km deep · 88 km away
  7. 4.1282 km WSW of Adak, Alaska · 10495 days ago · 33 km deep · 93 km away
  8. 5.0278 km WSW of Adak, Alaska · 10495 days ago · 33 km deep · 89 km away
  9. 5.4273 km WSW of Adak, Alaska · 10494 days ago · 33 km deep · 85 km away
  10. 4.0261 km W of Adak, Alaska · 10494 days ago · 33 km deep · 89 km away
  11. 4.0281 km WSW of Adak, Alaska · 10494 days ago · 33 km deep · 93 km away
  12. 4.5216 km WSW of Adak, Alaska · 10485 days ago · 33 km deep · 35 km away
  13. 4.9123 km WSW of Adak, Alaska · 10479 days ago · 33 km deep · 75 km away
  14. 4.6133 km WSW of Adak, Alaska · 10466 days ago · 33 km deep · 67 km away

Before

  1. 4.7172 km WSW of Adak, Alaska · 10529 days ago · 33 km deep · 20 km away
  2. 4.3152 km SW of Adak, Alaska · 10532 days ago · 33 km deep · 62 km away
  3. 3.9190 km W of Adak, Alaska · 10537 days ago · 33 km deep · 33 km away
  4. 4.2137 km SW of Adak, Alaska · 10539 days ago · 33 km deep · 66 km away
  5. 4.5193 km W of Adak, Alaska · 10540 days ago · 131 km deep · 83 km away
  6. 4.7194 km WSW of Adak, Alaska · 10540 days ago · 33 km deep · 10 km away
  7. 4.5127 km WSW of Adak, Alaska · 10540 days ago · 33 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0008cdb. Read Fri, Oct 2, 2026, 6:46 AM UTC.