Alaska earthquakes

M4.6 earthquake 133 km WSW of Adak, Alaska

A magnitude 4.6 earthquake struck 133 km WSW of Adak, Alaska on Thu, Feb 5, 1998, 2:01 AM HAST (12:01 UTC), 33 km (21 mi) below the surface.

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The earthquake

Magnitude
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1998-02-05 12:01:05 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.241° N, 178.277° 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 1.6 and up: 8 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 3.8Andreanof Islands, Aleutian Islands, Alaska · 10458 days ago · 33 km deep · 49 km away
  2. 3.391 km SSW of Adak, Alaska · 10457 days ago · 33 km deep · 89 km away
  3. 3.6195 km W of Adak, Alaska · 10457 days ago · 100 km deep · 90 km away
  4. 4.571 km SSW of Adak, Alaska · 10453 days ago · 33 km deep · 88 km away
  5. 4.558 km SSW of Adak, Alaska · 10423 days ago · 33 km deep · 98 km away
  6. 4.549 km SSW of Adak, Alaska · 10423 days ago · 33 km deep · 96 km away
  7. 4.6126 km WSW of Adak, Alaska · 10411 days ago · 33 km deep · 8 km away
  8. 3.876 km SSW of Adak, Alaska · 10411 days ago · 33 km deep · 73 km away

Before

  1. 4.888 km WSW of Adak, Alaska · 10474 days ago · 42 km deep · 46 km away
  2. 4.9123 km WSW of Adak, Alaska · 10479 days ago · 33 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0008fg8. Read Fri, Oct 2, 2026, 3:20 AM UTC.