M5.8 earthquake 106 km SSW of Adak, Alaska
A magnitude 5.8 earthquake struck 106 km SSW of Adak, Alaska on Sat, May 24, 1958, 1:35 PM GMT-11 (00:35 UTC), 25 km (16 mi) below the surface.
A larger quake followed: M6.0 41 km SW of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.8 (mw), moderate
- Local time
- UTC
- 1958-05-25 00:35:27 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 51.014° N, 177.307° 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.
- Magnitude uncertainty
- ±0.41
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.892 km SSW of Adak, Alaska · 24957 days ago · 25 km deep · 25 km away
- 6.041 km SW of Adak, Alaska · 24920 days ago · 25 km deep · 71 km away
- 5.871 km S of Adak, Alaska · 24904 days ago · 25 km deep · 51 km away
- 5.968 km S of Adak, Alaska · 24904 days ago · 25 km deep · 50 km away
- 5.973 km S of Adak, Alaska · 24903 days ago · 25 km deep · 62 km away
- 6.1138 km WSW of Adak, Alaska · 24900 days ago · 35 km deep · 94 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem884442 (also filed as ushis2305). Read Tue, Sep 22, 2026, 9:38 AM UTC.