Alaska earthquakes

M3.4 earthquake 68 km SE of Adak, Alaska

A magnitude 3.4 earthquake struck 68 km SE of Adak, Alaska on Mon, Dec 8, 1997, 9:44 PM HAST (07:44 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.7 88 km SW of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
3.4 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1997-12-09 07:44:18 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.487° N, 175.872° 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: 9 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 3.764 km ESE of Adak, Alaska · 10509 days ago · 33 km deep · 9 km away
  2. 4.3103 km SW of Atka, Alaska · 10505 days ago · 33 km deep · 58 km away
  3. 3.689 km SSW of Atka, Alaska · 10505 days ago · 33 km deep · 66 km away
  4. 4.788 km SW of Atka, Alaska · 10505 days ago · 33 km deep · 61 km away
  5. 4.183 km SW of Atka, Alaska · 10503 days ago · 33 km deep · 62 km away
  6. 4.169 km WSW of Atka, Alaska · 10503 days ago · 33 km deep · 71 km away
  7. 3.895 km S of Adak, Alaska · 10502 days ago · 33 km deep · 71 km away
  8. 3.633 km NNW of Adak, Alaska · 10476 days ago · 100 km deep · 100 km away
  9. 4.3109 km SE of Adak, Alaska · 10469 days ago · 33 km deep · 42 km away

Before

  1. 4.280 km SSE of Adak, Alaska · 10531 days ago · 33 km deep · 32 km away
  2. 4.683 km S of Adak, Alaska · 10532 days ago · 33 km deep · 75 km away
  3. 4.495 km S of Adak, Alaska · 10537 days ago · 33 km deep · 63 km away
  4. 4.131 km ESE of Adak, Alaska · 10537 days ago · 61 km deep · 41 km away
  5. 5.242 km ESE of Adak, Alaska · 10546 days ago · 51 km deep · 35 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0008cas. Read Thu, Oct 1, 2026, 11:02 PM UTC.