Alaska earthquakes

M4.4 earthquake 180 km W of Adak, Alaska

A magnitude 4.4 earthquake struck 180 km W of Adak, Alaska on Fri, Dec 19, 1997, 4:49 AM HAST (14:49 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.9 123 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1997-12-19 14:49:25 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.852° N, 179.257° 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: 8 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 3.2137 km WSW of Adak, Alaska · 10511 days ago · 33 km deep · 60 km away
  2. 3.1260 km W of Adak, Alaska · 10507 days ago · 33 km deep · 81 km away
  3. 4.0261 km W of Adak, Alaska · 10494 days ago · 33 km deep · 83 km away
  4. 4.5216 km WSW of Adak, Alaska · 10484 days ago · 33 km deep · 54 km away
  5. 4.9123 km WSW of Adak, Alaska · 10479 days ago · 33 km deep · 98 km away
  6. 4.6133 km WSW of Adak, Alaska · 10465 days ago · 33 km deep · 96 km away
  7. 4.1210 km W of Adak, Alaska · 10462 days ago · 99 km deep · 32 km away
  8. 3.6195 km W of Adak, Alaska · 10457 days ago · 100 km deep · 30 km away

Before

  1. 4.3203 km WSW of Adak, Alaska · 10514 days ago · 33 km deep · 57 km away
  2. 5.0190 km WSW of Adak, Alaska · 10522 days ago · 33 km deep · 61 km away
  3. 4.7172 km WSW of Adak, Alaska · 10529 days ago · 33 km deep · 50 km away
  4. 3.9190 km W of Adak, Alaska · 10537 days ago · 33 km deep · 29 km away
  5. 4.2137 km SW of Adak, Alaska · 10539 days ago · 33 km deep · 99 km away
  6. 4.5193 km W of Adak, Alaska · 10539 days ago · 131 km deep · 24 km away
  7. 4.7194 km WSW of Adak, Alaska · 10540 days ago · 33 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0008cxk. Read Thu, Oct 1, 2026, 9:06 PM UTC.