Alaska earthquakes

M4.0 earthquake 261 km W of Adak, Alaska

A magnitude 4.0 earthquake struck 261 km W of Adak, Alaska on Thu, Jan 8, 1998, 2:44 PM GMT+12 (02:44 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.7 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1998-01-08 02:44:24 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.630° N, 179.595° E
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 19 in the 30 days before it.

After

  1. 4.0281 km WSW of Adak, Alaska · 10494 days ago · 33 km deep · 93 km away
  2. 4.5216 km WSW of Adak, Alaska · 10484 days ago · 33 km deep · 54 km away
  3. 4.7Rat Islands, Aleutian Islands, Alaska · 10468 days ago · 43 km deep · 52 km away
  4. 4.1210 km W of Adak, Alaska · 10462 days ago · 99 km deep · 52 km away
  5. 4.4Rat Islands, Aleutian Islands, Alaska · 10460 days ago · 64 km deep · 69 km away
  6. 3.6195 km W of Adak, Alaska · 10457 days ago · 100 km deep · 67 km away
  7. 4.1Rat Islands, Aleutian Islands, Alaska · 10438 days ago · 80 km deep · 77 km away
  8. 3.8Rat Islands, Aleutian Islands, Alaska · 10438 days ago · 72 km deep · 70 km away

Before

  1. 5.4273 km WSW of Adak, Alaska · 10494 days ago · 33 km deep · 46 km away
  2. 5.0278 km WSW of Adak, Alaska · 10494 days ago · 33 km deep · 49 km away
  3. 4.1282 km WSW of Adak, Alaska · 10494 days ago · 33 km deep · 50 km away
  4. 4.5278 km WSW of Adak, Alaska · 10494 days ago · 33 km deep · 58 km away
  5. 4.2Rat Islands, Aleutian Islands, Alaska · 10503 days ago · 33 km deep · 66 km away
  6. 5.6Rat Islands, Aleutian Islands, Alaska · 10506 days ago · 33 km deep · 65 km away
  7. 3.1260 km W of Adak, Alaska · 10507 days ago · 33 km deep · 2 km away
  8. 3.7287 km WSW of Adak, Alaska · 10511 days ago · 33 km deep · 49 km away
  9. 4.2Rat Islands, Aleutian Islands, Alaska · 10513 days ago · 33 km deep · 73 km away
  10. 4.4180 km W of Adak, Alaska · 10513 days ago · 33 km deep · 83 km away
  11. 4.6Rat Islands, Aleutian Islands, Alaska · 10513 days ago · 33 km deep · 78 km away
  12. 4.3203 km WSW of Adak, Alaska · 10515 days ago · 33 km deep · 72 km away
  13. 4.2Rat Islands, Aleutian Islands, Alaska · 10515 days ago · 33 km deep · 78 km away
  14. 4.6Rat Islands, Aleutian Islands, Alaska · 10515 days ago · 33 km deep · 91 km away
  15. 5.5Rat Islands, Aleutian Islands, Alaska · 10515 days ago · 33 km deep · 63 km away
  16. 4.1Rat Islands, Aleutian Islands, Alaska · 10516 days ago · 33 km deep · 81 km away
  17. 4.3Rat Islands, Aleutian Islands, Alaska · 10516 days ago · 33 km deep · 53 km away
  18. 6.6Rat Islands, Aleutian Islands, Alaska · 10516 days ago · 20 km deep · 70 km away
  19. 5.0190 km WSW of Adak, Alaska · 10522 days ago · 33 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0008dx8. Read Thu, Oct 1, 2026, 10:05 PM UTC.