Alaska earthquakes

M3.7 earthquake 47 km NE of Adak, Alaska

A magnitude 3.7 earthquake struck 47 km NE of Adak, Alaska on Wed, Jan 1, 1997, 6:18 AM HAST (16:18 UTC), 90 km (56 mi) below the surface.

A larger quake followed: M4.7 41 km E of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
3.7 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1997-01-01 16:18:53 UTC
Depth
89.7 km (55.7 mi), intermediate-depth
Epicenter
52.161° N, 176.118° 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
FROM_LOCATION

Nearby

Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 4.347 km WSW of Adak, Alaska · 10861 days ago · 60 km deep · 95 km away
  2. 4.741 km E of Adak, Alaska · 10825 days ago · 48 km deep · 28 km away
  3. 4.356 km SE of Adak, Alaska · 10824 days ago · 33 km deep · 75 km away
  4. 4.460 km SE of Adak, Alaska · 10824 days ago · 33 km deep · 80 km away

Before

  1. 4.246 km SE of Adak, Alaska · 10868 days ago · 41 km deep · 69 km away
  2. 4.726 km ESE of Adak, Alaska · 10877 days ago · 68 km deep · 40 km away
  3. 4.552 km WSW of Adak, Alaska · 10884 days ago · 10 km deep · 98 km away
  4. 3.255 km W of Adak, Alaska · 10885 days ago · 10 km deep · 99 km away
  5. 4.659 km W of Adak, Alaska · 10885 days ago · 10 km deep · 99 km away
  6. 3.348 km SSW of Adak, Alaska · 10886 days ago · 10 km deep · 94 km away
  7. 3.459 km W of Adak, Alaska · 10886 days ago · 10 km deep · 99 km away
  8. 3.656 km W of Adak, Alaska · 10886 days ago · 10 km deep · 99 km away
  9. 3.991 km SW of Atka, Alaska · 10891 days ago · 33 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007va4. Read Thu, Oct 1, 2026, 3:12 PM UTC.