Alaska earthquakes

M4.0 earthquake 240 km WSW of Adak, Alaska

A magnitude 4.0 earthquake struck 240 km WSW of Adak, Alaska on Fri, Jun 13, 1997, 7:20 PM GMT-12 (07:20 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.4 195 km WSW of Adak, 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
1997-06-14 07:20:00 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.332° N, 179.988° 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 1.5 and up: 14 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 4.2260 km WSW of Adak, Alaska · 10701 days ago · 62 km deep · 23 km away
  2. 6.4195 km WSW of Adak, Alaska · 10698 days ago · 33 km deep · 46 km away
  3. 4.6196 km WSW of Adak, Alaska · 10697 days ago · 33 km deep · 46 km away
  4. 4.1195 km WSW of Adak, Alaska · 10687 days ago · 33 km deep · 54 km away
  5. 4.8198 km WSW of Adak, Alaska · 10682 days ago · 33 km deep · 42 km away
  6. 4.3Rat Islands, Aleutian Islands, Alaska · 10681 days ago · 33 km deep · 87 km away
  7. 5.1144 km WSW of Adak, Alaska · 10681 days ago · 33 km deep · 98 km away
  8. 5.9146 km WSW of Adak, Alaska · 10677 days ago · 33 km deep · 98 km away
  9. 3.4187 km WSW of Adak, Alaska · 10676 days ago · 33 km deep · 58 km away
  10. 4.7189 km WSW of Adak, Alaska · 10675 days ago · 33 km deep · 53 km away
  11. 4.1152 km WSW of Adak, Alaska · 10669 days ago · 33 km deep · 93 km away
  12. 4.3167 km W of Adak, Alaska · 10669 days ago · 33 km deep · 86 km away
  13. 4.1175 km WSW of Adak, Alaska · 10667 days ago · 33 km deep · 79 km away
  14. 4.8185 km WSW of Adak, Alaska · 10660 days ago · 33 km deep · 56 km away

Before

  1. 3.5176 km WSW of Adak, Alaska · 10704 days ago · 33 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00083ga. Read Thu, Oct 1, 2026, 1:16 PM UTC.