Alaska earthquakes

M4.0 earthquake 281 km WSW of Adak, Alaska

A magnitude 4.0 earthquake struck 281 km WSW of Adak, Alaska on Thu, Jan 8, 1998, 3:32 PM GMT+12 (03:32 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.6 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.

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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 03:32:42 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
50.793° N, 179.715° 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: 4 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 4.6Rat Islands, Aleutian Islands, Alaska · 10494 days ago · 33 km deep · 79 km away
  2. 4.5216 km WSW of Adak, Alaska · 10486 days ago · 33 km deep · 84 km away
  3. 4.4Rat Islands, Aleutian Islands, Alaska · 10462 days ago · 64 km deep · 93 km away
  4. 3.8Rat Islands, Aleutian Islands, Alaska · 10440 days ago · 72 km deep · 100 km away

Before

  1. 4.0261 km W of Adak, Alaska · 10496 days ago · 33 km deep · 93 km away
  2. 5.4273 km WSW of Adak, Alaska · 10496 days ago · 33 km deep · 48 km away
  3. 5.0278 km WSW of Adak, Alaska · 10496 days ago · 33 km deep · 47 km away
  4. 4.1282 km WSW of Adak, Alaska · 10496 days ago · 33 km deep · 48 km away
  5. 4.5278 km WSW of Adak, Alaska · 10496 days ago · 33 km deep · 37 km away
  6. 4.2Rat Islands, Aleutian Islands, Alaska · 10505 days ago · 33 km deep · 77 km away
  7. 5.6Rat Islands, Aleutian Islands, Alaska · 10508 days ago · 33 km deep · 86 km away
  8. 3.1260 km W of Adak, Alaska · 10509 days ago · 33 km deep · 95 km away
  9. 3.7287 km WSW of Adak, Alaska · 10513 days ago · 33 km deep · 53 km away
  10. 4.2Rat Islands, Aleutian Islands, Alaska · 10515 days ago · 33 km deep · 66 km away
  11. 4.6Rat Islands, Aleutian Islands, Alaska · 10515 days ago · 33 km deep · 64 km away
  12. 4.3203 km WSW of Adak, Alaska · 10516 days ago · 33 km deep · 85 km away
  13. 4.2Rat Islands, Aleutian Islands, Alaska · 10517 days ago · 33 km deep · 36 km away
  14. 4.6Rat Islands, Aleutian Islands, Alaska · 10517 days ago · 33 km deep · 68 km away
  15. 5.5Rat Islands, Aleutian Islands, Alaska · 10517 days ago · 33 km deep · 69 km away
  16. 4.1Rat Islands, Aleutian Islands, Alaska · 10517 days ago · 33 km deep · 62 km away
  17. 4.3Rat Islands, Aleutian Islands, Alaska · 10518 days ago · 33 km deep · 65 km away
  18. 6.6Rat Islands, Aleutian Islands, Alaska · 10518 days ago · 20 km deep · 74 km away
  19. 5.0190 km WSW of Adak, Alaska · 10524 days ago · 33 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0008dxc. Read Sat, Oct 3, 2026, 6:17 PM UTC.