Alaska earthquakes

M4.1 earthquake 134 km SW of Adak, Alaska

A magnitude 4.1 earthquake struck 134 km SW of Adak, Alaska on Fri, Aug 9, 1996, 6:59 PM HADT (03:59 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.0 Andreanof Islands, Aleutian Islands, 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), light
Local time
UTC
1996-08-10 03:59:10 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.150° N, 178.179° 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: 14 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 4.2138 km WSW of Adak, Alaska · 11006 days ago · 33 km deep · 16 km away
  2. 6.0Andreanof Islands, Aleutian Islands, Alaska · 10999 days ago · 33 km deep · 36 km away
  3. 5.3129 km WSW of Adak, Alaska · 10998 days ago · 33 km deep · 41 km away
  4. 5.2126 km WSW of Adak, Alaska · 10997 days ago · 33 km deep · 25 km away
  5. 4.261 km SSW of Adak, Alaska · 10995 days ago · 33 km deep · 89 km away
  6. 4.595 km SW of Adak, Alaska · 10993 days ago · 33 km deep · 38 km away
  7. 5.138 km SW of Adak, Alaska · 10993 days ago · 33 km deep · 98 km away
  8. 4.552 km SSW of Adak, Alaska · 10992 days ago · 33 km deep · 95 km away
  9. 4.4127 km SW of Adak, Alaska · 10988 days ago · 33 km deep · 7 km away
  10. 4.3162 km WSW of Adak, Alaska · 10988 days ago · 33 km deep · 47 km away
  11. 5.5117 km WSW of Adak, Alaska · 10986 days ago · 44 km deep · 38 km away
  12. 4.279 km SSW of Adak, Alaska · 10986 days ago · 33 km deep · 88 km away
  13. 5.1131 km WSW of Adak, Alaska · 10974 days ago · 33 km deep · 48 km away
  14. 4.3124 km SW of Adak, Alaska · 10968 days ago · 33 km deep · 35 km away

Before

  1. 4.0145 km WSW of Adak, Alaska · 11009 days ago · 33 km deep · 56 km away
  2. 3.7145 km WSW of Adak, Alaska · 11009 days ago · 33 km deep · 48 km away
  3. 4.5197 km WSW of Adak, Alaska · 11023 days ago · 33 km deep · 72 km away
  4. 5.138 km WSW of Adak, Alaska · 11024 days ago · 55 km deep · 95 km away
  5. 4.5121 km SW of Adak, Alaska · 11025 days ago · 33 km deep · 13 km away
  6. 3.7206 km WSW of Adak, Alaska · 11027 days ago · 33 km deep · 96 km away
  7. 4.291 km W of Adak, Alaska · 11027 days ago · 33 km deep · 76 km away
  8. 4.7133 km WSW of Adak, Alaska · 11028 days ago · 33 km deep · 17 km away
  9. 5.181 km WSW of Adak, Alaska · 11030 days ago · 33 km deep · 55 km away
  10. 4.496 km SSW of Adak, Alaska · 11032 days ago · 33 km deep · 66 km away
  11. 4.074 km SW of Adak, Alaska · 11033 days ago · 33 km deep · 59 km away
  12. 4.3171 km WSW of Adak, Alaska · 11034 days ago · 33 km deep · 47 km away
  13. 5.2101 km SW of Adak, Alaska · 11036 days ago · 33 km deep · 32 km away
  14. 4.089 km SW of Adak, Alaska · 11036 days ago · 33 km deep · 45 km away
  15. 4.290 km WSW of Adak, Alaska · 11037 days ago · 33 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007nbe. Read Wed, Sep 30, 2026, 7:40 AM UTC.