M4.5 earthquake 197 km WSW of Adak, Alaska
A magnitude 4.5 earthquake struck 197 km WSW of Adak, Alaska on Fri, Jul 26, 1996, 9:15 AM HADT (18:15 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M6.0 Andreanof Islands, Aleutian Islands, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1996-07-26 18:15:08 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.120° N, 179.212° 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: 11 in the 60 days after this one and 7 in the 30 days before it.
After
- 3.7145 km WSW of Adak, Alaska · 11001 days ago · 33 km deep · 56 km away
- 4.0145 km WSW of Adak, Alaska · 11001 days ago · 33 km deep · 61 km away
- 4.1134 km SW of Adak, Alaska · 11001 days ago · 33 km deep · 72 km away
- 4.2138 km WSW of Adak, Alaska · 10998 days ago · 33 km deep · 61 km away
- 6.0Andreanof Islands, Aleutian Islands, Alaska · 10992 days ago · 33 km deep · 69 km away
- 5.3129 km WSW of Adak, Alaska · 10990 days ago · 33 km deep · 70 km away
- 5.2126 km WSW of Adak, Alaska · 10990 days ago · 33 km deep · 71 km away
- 4.4127 km SW of Adak, Alaska · 10981 days ago · 33 km deep · 77 km away
- 4.3162 km WSW of Adak, Alaska · 10981 days ago · 33 km deep · 36 km away
- 5.5117 km WSW of Adak, Alaska · 10979 days ago · 44 km deep · 81 km away
- 5.1131 km WSW of Adak, Alaska · 10966 days ago · 33 km deep · 71 km away
Before
- 4.5121 km SW of Adak, Alaska · 11018 days ago · 33 km deep · 82 km away
- 3.7206 km WSW of Adak, Alaska · 11020 days ago · 33 km deep · 36 km away
- 3.8182 km W of Adak, Alaska · 11020 days ago · 33 km deep · 71 km away
- 4.7133 km WSW of Adak, Alaska · 11021 days ago · 33 km deep · 66 km away
- 4.3171 km WSW of Adak, Alaska · 11026 days ago · 33 km deep · 26 km away
- 5.2101 km SW of Adak, Alaska · 11028 days ago · 33 km deep · 98 km away
- 4.0202 km SW of Adak, Alaska · 11034 days ago · 33 km deep · 38 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0007mn2 (also filed as ak9969kal82p). Read Tue, Sep 22, 2026, 8:24 PM UTC.