Alaska earthquakes

M3.7 earthquake 64 km ESE of Adak, Alaska

A magnitude 3.7 earthquake struck 64 km ESE of Adak, Alaska on Tue, Dec 23, 1997, 5:17 AM HAST (15:17 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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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.7 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1997-12-23 15:17:09 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.563° N, 175.841° 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: 13 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.3103 km SW of Atka, Alaska · 10505 days ago · 33 km deep · 57 km away
  2. 3.689 km SSW of Atka, Alaska · 10505 days ago · 33 km deep · 64 km away
  3. 4.788 km SW of Atka, Alaska · 10505 days ago · 33 km deep · 57 km away
  4. 4.183 km SW of Atka, Alaska · 10503 days ago · 33 km deep · 58 km away
  5. 4.169 km WSW of Atka, Alaska · 10503 days ago · 33 km deep · 64 km away
  6. 3.895 km S of Adak, Alaska · 10502 days ago · 33 km deep · 79 km away
  7. 3.633 km NNW of Adak, Alaska · 10476 days ago · 100 km deep · 95 km away
  8. 4.3109 km SE of Adak, Alaska · 10469 days ago · 33 km deep · 45 km away
  9. 4.640 km ESE of Adak, Alaska · 10458 days ago · 43 km deep · 24 km away
  10. 3.391 km SSW of Adak, Alaska · 10457 days ago · 33 km deep · 97 km away
  11. 3.493 km S of Adak, Alaska · 10457 days ago · 33 km deep · 69 km away
  12. 4.472 km S of Adak, Alaska · 10455 days ago · 58 km deep · 65 km away
  13. 4.571 km SSW of Adak, Alaska · 10452 days ago · 33 km deep · 88 km away

Before

  1. 3.468 km SE of Adak, Alaska · 10524 days ago · 33 km deep · 9 km away
  2. 4.280 km SSE of Adak, Alaska · 10531 days ago · 33 km deep · 40 km away
  3. 4.683 km S of Adak, Alaska · 10532 days ago · 33 km deep · 81 km away
  4. 4.495 km S of Adak, Alaska · 10537 days ago · 33 km deep · 71 km away
  5. 4.131 km ESE of Adak, Alaska · 10537 days ago · 61 km deep · 35 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0008d33. Read Fri, Oct 2, 2026, 1:46 AM UTC.