Alaska earthquakes

M4.0 earthquake 202 km SW of Adak, Alaska

A magnitude 4.0 earthquake struck 202 km SW of Adak, Alaska on Sun, Jul 7, 1996, 5:32 PM HADT (02:32 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.3 171 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
4.0 (mb), light
Local time
UTC
1996-07-08 02:32:56 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
50.805° N, 178.988° 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: 16 in the 60 days after this one and 67 in the 30 days before it.

After

  1. 3.9117 km SW of Adak, Alaska · 11034 days ago · 33 km deep · 95 km away
  2. 4.3171 km WSW of Adak, Alaska · 11026 days ago · 33 km deep · 43 km away
  3. 4.7133 km WSW of Adak, Alaska · 11021 days ago · 33 km deep · 71 km away
  4. 3.7206 km WSW of Adak, Alaska · 11020 days ago · 33 km deep · 74 km away
  5. 4.5121 km SW of Adak, Alaska · 11018 days ago · 33 km deep · 81 km away
  6. 4.5197 km WSW of Adak, Alaska · 11015 days ago · 33 km deep · 38 km away
  7. 3.7145 km WSW of Adak, Alaska · 11001 days ago · 33 km deep · 78 km away
  8. 4.0145 km WSW of Adak, Alaska · 11001 days ago · 33 km deep · 86 km away
  9. 4.1134 km SW of Adak, Alaska · 11001 days ago · 33 km deep · 68 km away
  10. 4.2138 km WSW of Adak, Alaska · 10998 days ago · 33 km deep · 66 km away
  11. 6.0Andreanof Islands, Aleutian Islands, Alaska · 10992 days ago · 33 km deep · 84 km away
  12. 5.3129 km WSW of Adak, Alaska · 10990 days ago · 33 km deep · 87 km away
  13. 5.2126 km WSW of Adak, Alaska · 10990 days ago · 33 km deep · 80 km away
  14. 4.4127 km SW of Adak, Alaska · 10981 days ago · 33 km deep · 75 km away
  15. 4.3162 km WSW of Adak, Alaska · 10981 days ago · 33 km deep · 58 km away
  16. 5.5117 km WSW of Adak, Alaska · 10979 days ago · 44 km deep · 93 km away

Before

  1. 4.0105 km SW of Adak, Alaska · 11041 days ago · 33 km deep · 99 km away
  2. 3.9139 km WSW of Adak, Alaska · 11045 days ago · 33 km deep · 82 km away
  3. 4.3147 km WSW of Adak, Alaska · 11048 days ago · 33 km deep · 67 km away
  4. 4.0132 km SW of Adak, Alaska · 11050 days ago · 33 km deep · 75 km away
  5. 4.2107 km SW of Adak, Alaska · 11051 days ago · 33 km deep · 98 km away
  6. 4.0147 km WSW of Adak, Alaska · 11051 days ago · 33 km deep · 80 km away
  7. 4.4135 km WSW of Adak, Alaska · 11052 days ago · 33 km deep · 67 km away
  8. 5.1126 km WSW of Adak, Alaska · 11054 days ago · 33 km deep · 78 km away
  9. 3.7157 km WSW of Adak, Alaska · 11055 days ago · 10 km deep · 77 km away
  10. 5.3131 km WSW of Adak, Alaska · 11055 days ago · 30 km deep · 88 km away
  11. 3.9118 km WSW of Adak, Alaska · 11055 days ago · 33 km deep · 91 km away
  12. 4.4155 km WSW of Adak, Alaska · 11056 days ago · 33 km deep · 59 km away
  13. 3.9203 km SW of Adak, Alaska · 11056 days ago · 33 km deep · 15 km away
  14. 4.7120 km WSW of Adak, Alaska · 11058 days ago · 34 km deep · 96 km away
  15. 4.1138 km WSW of Adak, Alaska · 11058 days ago · 33 km deep · 86 km away
  16. 4.5104 km WSW of Adak, Alaska · 11058 days ago · 33 km deep · 99 km away
  17. 3.8107 km WSW of Adak, Alaska · 11058 days ago · 33 km deep · 98 km away
  18. 4.4122 km WSW of Adak, Alaska · 11059 days ago · 33 km deep · 97 km away
  19. 4.5104 km SW of Adak, Alaska · 11059 days ago · 33 km deep · 99 km away
  20. 5.5123 km WSW of Adak, Alaska · 11060 days ago · 33 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007kuf (also filed as ak9968q9hsa0). Read Tue, Sep 22, 2026, 9:42 PM UTC.