Alaska earthquakes

M4.6 earthquake 252 km W of Adak, Alaska

A magnitude 4.6 earthquake struck 252 km W of Adak, Alaska on Thu, Apr 17, 1997, 3:26 PM GMT+12 (03:26 UTC), 68 km (42 mi) below the surface.

A larger quake followed: M4.9 184 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1997-04-17 03:26:32 UTC
Depth
68.3 km (42.4 mi), shallow
Epicenter
51.621° N, 179.731° 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.

Nearby

Within 100 km, magnitude 1.6 and up: 11 in the 60 days after this one and 37 in the 30 days before it.

After

  1. 4.6Rat Islands, Aleutian Islands, Alaska · 10757 days ago · 33 km deep · 74 km away
  2. 3.9Rat Islands, Aleutian Islands, Alaska · 10755 days ago · 33 km deep · 90 km away
  3. 3.8193 km WSW of Adak, Alaska · 10745 days ago · 33 km deep · 80 km away
  4. 4.4194 km WSW of Adak, Alaska · 10745 days ago · 33 km deep · 83 km away
  5. 4.9184 km WSW of Adak, Alaska · 10745 days ago · 33 km deep · 89 km away
  6. 4.4243 km WSW of Adak, Alaska · 10745 days ago · 33 km deep · 34 km away
  7. 4.2196 km WSW of Adak, Alaska · 10745 days ago · 33 km deep · 83 km away
  8. 4.5179 km W of Adak, Alaska · 10734 days ago · 33 km deep · 78 km away
  9. 3.5176 km WSW of Adak, Alaska · 10704 days ago · 33 km deep · 80 km away
  10. 4.0240 km WSW of Adak, Alaska · 10701 days ago · 33 km deep · 38 km away
  11. 4.2260 km WSW of Adak, Alaska · 10701 days ago · 62 km deep · 29 km away

Before

  1. 4.0297 km WSW of Adak, Alaska · 10769 days ago · 33 km deep · 58 km away
  2. 4.0269 km WSW of Adak, Alaska · 10779 days ago · 33 km deep · 44 km away
  3. 3.8Rat Islands, Aleutian Islands, Alaska · 10779 days ago · 33 km deep · 79 km away
  4. 4.7281 km WSW of Adak, Alaska · 10779 days ago · 33 km deep · 47 km away
  5. 3.1293 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 94 km away
  6. 4.1274 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 60 km away
  7. 4.3284 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 76 km away
  8. 3.9277 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 47 km away
  9. 4.3276 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 53 km away
  10. 4.5283 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 64 km away
  11. 4.5277 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 53 km away
  12. 4.0296 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 84 km away
  13. 4.0294 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 74 km away
  14. 4.5278 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 57 km away
  15. 4.3288 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 60 km away
  16. 4.2285 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 66 km away
  17. 5.6288 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 51 km away
  18. 4.4Rat Islands, Aleutian Islands, Alaska · 10780 days ago · 33 km deep · 44 km away
  19. 3.8Rat Islands, Aleutian Islands, Alaska · 10780 days ago · 33 km deep · 32 km away
  20. 3.3Rat Islands, Aleutian Islands, Alaska · 10780 days ago · 33 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00080q7. Read Thu, Oct 1, 2026, 9:12 AM UTC.