M4.8 earthquake 21 km SSW of Adak, Alaska
A magnitude 4.8 earthquake struck 21 km SSW of Adak, Alaska on Thu, May 2, 1985, 3:30 AM HADT (12:30 UTC), 60 km (37 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1985-05-02 12:30:29 UTC
- Depth
- 60.0 km (37.3 mi), shallow
- Epicenter
- 51.688° N, 176.724° 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.
Nearby
Within 100 km, magnitude 1.8 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002ecx. Read Mon, Sep 21, 2026, 7:39 AM UTC.