Alaska earthquakes

M4.4 earthquake 56 km SSW of Adak, Alaska

A magnitude 4.4 earthquake struck 56 km SSW of Adak, Alaska on Wed, Mar 12, 1997, 4:55 PM HAST (02:55 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.5 115 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1997-03-13 02:55:25 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.393° N, 176.905° 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 8 in the 30 days before it.

After

  1. 4.037 km NNE of Adak, Alaska · 10790 days ago · 33 km deep · 94 km away
  2. 4.8112 km WSW of Adak, Alaska · 10782 days ago · 33 km deep · 78 km away
  3. 5.5115 km WSW of Adak, Alaska · 10777 days ago · 33 km deep · 82 km away
  4. 4.348 km SSE of Adak, Alaska · 10762 days ago · 33 km deep · 41 km away
  5. 2.844 km E of Adak, Alaska · 10759 days ago · 33 km deep · 80 km away
  6. 4.129 km S of Adak, Alaska · 10757 days ago · 64 km deep · 28 km away
  7. 3.259 km S of Adak, Alaska · 10754 days ago · 33 km deep · 20 km away
  8. 4.796 km SSW of Adak, Alaska · 10746 days ago · 33 km deep · 41 km away
  9. 4.6106 km SSW of Adak, Alaska · 10746 days ago · 33 km deep · 50 km away

Before

  1. 4.242 km W of Adak, Alaska · 10799 days ago · 64 km deep · 52 km away
  2. 4.8107 km WSW of Adak, Alaska · 10799 days ago · 56 km deep · 78 km away
  3. 3.083 km SE of Adak, Alaska · 10803 days ago · 33 km deep · 86 km away
  4. 4.192 km SSW of Adak, Alaska · 10816 days ago · 33 km deep · 37 km away
  5. 3.793 km WSW of Adak, Alaska · 10816 days ago · 33 km deep · 69 km away
  6. 3.298 km W of Adak, Alaska · 10818 days ago · 33 km deep · 90 km away
  7. 4.460 km SE of Adak, Alaska · 10825 days ago · 33 km deep · 56 km away
  8. 4.356 km SE of Adak, Alaska · 10825 days ago · 33 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007yr6. Read Fri, Oct 2, 2026, 2:43 AM UTC.