M5.8 earthquake 92 km SSW of Adak, Alaska
A magnitude 5.8 earthquake struck 92 km SSW of Adak, Alaska on Sun, May 25, 1958, 3:54 AM GMT-11 (14:54 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 14:54:34 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 51.063° N, 176.952° 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
- ±0.23
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.8 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 6.041 km SW of Adak, Alaska · 24928 days ago · 25 km deep · 65 km away
- 5.871 km S of Adak, Alaska · 24911 days ago · 25 km deep · 27 km away
- 5.968 km S of Adak, Alaska · 24911 days ago · 25 km deep · 28 km away
- 5.973 km S of Adak, Alaska · 24911 days ago · 25 km deep · 37 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem884444 (also filed as ushis2306). Read Wed, Sep 30, 2026, 1:48 AM UTC.