Alaska earthquakes

M4.2 earthquake 285 km WSW of Adak, Alaska

A magnitude 4.2 earthquake struck 285 km WSW of Adak, Alaska on Thu, Mar 27, 1997, 10:55 PM GMT+12 (10:55 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.7 281 km WSW of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1997-03-27 10:55:05 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.044° N, 179.480° 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: 23 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 4.3288 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 10 km away
  2. 4.5278 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 10 km away
  3. 4.0294 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 9 km away
  4. 4.0296 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 17 km away
  5. 4.5277 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 13 km away
  6. 4.5283 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 2 km away
  7. 4.3276 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 14 km away
  8. 3.9277 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 20 km away
  9. 4.3284 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 13 km away
  10. 4.1274 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 11 km away
  11. 3.1293 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 29 km away
  12. 4.7281 km WSW of Adak, Alaska · 10779 days ago · 33 km deep · 22 km away
  13. 3.8Rat Islands, Aleutian Islands, Alaska · 10779 days ago · 33 km deep · 38 km away
  14. 4.0269 km WSW of Adak, Alaska · 10779 days ago · 33 km deep · 23 km away
  15. 4.0297 km WSW of Adak, Alaska · 10769 days ago · 33 km deep · 27 km away
  16. 4.6252 km W of Adak, Alaska · 10759 days ago · 68 km deep · 66 km away
  17. 4.6Rat Islands, Aleutian Islands, Alaska · 10757 days ago · 33 km deep · 42 km away
  18. 3.9Rat Islands, Aleutian Islands, Alaska · 10755 days ago · 33 km deep · 33 km away
  19. 3.8193 km WSW of Adak, Alaska · 10745 days ago · 33 km deep · 92 km away
  20. 4.4194 km WSW of Adak, Alaska · 10745 days ago · 33 km deep · 92 km away
  21. 4.4243 km WSW of Adak, Alaska · 10745 days ago · 33 km deep · 47 km away
  22. 4.2196 km WSW of Adak, Alaska · 10745 days ago · 33 km deep · 89 km away
  23. 3.4Rat Islands, Aleutian Islands, Alaska · 10740 days ago · 33 km deep · 59 km away

Before

  1. 5.6288 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 23 km away
  2. 4.4Rat Islands, Aleutian Islands, Alaska · 10780 days ago · 33 km deep · 24 km away
  3. 3.8Rat Islands, Aleutian Islands, Alaska · 10780 days ago · 33 km deep · 35 km away
  4. 3.3Rat Islands, Aleutian Islands, Alaska · 10780 days ago · 33 km deep · 26 km away
  5. 3.7286 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 20 km away
  6. 4.2283 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 21 km away
  7. 4.8281 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 21 km away
  8. 4.8282 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 10 km away
  9. 5.2282 km WSW of Adak, Alaska · 10780 days ago · 33 km deep · 20 km away
  10. 5.3280 km WSW of Adak, Alaska · 10781 days ago · 33 km deep · 18 km away
  11. 3.9269 km W of Adak, Alaska · 10781 days ago · 33 km deep · 79 km away
  12. 4.1280 km WSW of Adak, Alaska · 10781 days ago · 33 km deep · 6 km away
  13. 3.5286 km WSW of Adak, Alaska · 10781 days ago · 33 km deep · 33 km away
  14. 4.7283 km WSW of Adak, Alaska · 10781 days ago · 33 km deep · 38 km away
  15. 4.1262 km W of Adak, Alaska · 10781 days ago · 33 km deep · 82 km away
  16. 6.7273 km WSW of Adak, Alaska · 10781 days ago · 33 km deep · 26 km away
  17. 4.6283 km WSW of Adak, Alaska · 10782 days ago · 33 km deep · 27 km away
  18. 4.2194 km WSW of Adak, Alaska · 10786 days ago · 33 km deep · 95 km away
  19. 3.8255 km W of Adak, Alaska · 10786 days ago · 33 km deep · 65 km away
  20. 4.3290 km WSW of Adak, Alaska · 10786 days ago · 33 km deep · 18 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007zht. Read Thu, Oct 1, 2026, 8:26 AM UTC.