Alaska earthquakes

M4.1 earthquake 63 km S of Adak, Alaska

A magnitude 4.1 earthquake struck 63 km S of Adak, Alaska on Fri, Aug 30, 1996, 4:01 AM HADT (13:01 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.1 33 km SE of Adak, 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
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1996-08-30 13:01:48 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.304° N, 176.704° 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: 8 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 4.279 km SSW of Adak, Alaska · 10987 days ago · 33 km deep · 20 km away
  2. 4.274 km SSE of Adak, Alaska · 10980 days ago · 33 km deep · 44 km away
  3. 5.133 km SE of Adak, Alaska · 10980 days ago · 60 km deep · 51 km away
  4. 4.3124 km SW of Adak, Alaska · 10969 days ago · 33 km deep · 80 km away
  5. 4.489 km SSE of Adak, Alaska · 10963 days ago · 33 km deep · 47 km away
  6. 4.784 km SW of Adak, Alaska · 10936 days ago · 33 km deep · 62 km away
  7. 4.754 km SW of Adak, Alaska · 10935 days ago · 42 km deep · 43 km away
  8. 4.680 km SSW of Adak, Alaska · 10931 days ago · 33 km deep · 35 km away

Before

  1. 4.4127 km SW of Adak, Alaska · 10990 days ago · 33 km deep · 99 km away
  2. 4.064 km S of Adak, Alaska · 10991 days ago · 33 km deep · 2 km away
  3. 4.268 km S of Adak, Alaska · 10992 days ago · 33 km deep · 8 km away
  4. 4.552 km SSW of Adak, Alaska · 10993 days ago · 33 km deep · 19 km away
  5. 5.138 km SW of Adak, Alaska · 10994 days ago · 33 km deep · 37 km away
  6. 4.595 km SW of Adak, Alaska · 10994 days ago · 33 km deep · 75 km away
  7. 4.261 km SSW of Adak, Alaska · 10997 days ago · 33 km deep · 17 km away
  8. 4.364 km S of Adak, Alaska · 11002 days ago · 33 km deep · 7 km away
  9. 4.064 km SSE of Adak, Alaska · 11007 days ago · 33 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007p89. Read Thu, Oct 1, 2026, 1:34 PM UTC.