M4.9 earthquake 191 km WSW of Adak, Alaska
A magnitude 4.9 earthquake struck 191 km WSW of Adak, Alaska on Sun, Mar 24, 1985, 7:49 AM HAST (17:49 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1985-03-24 17:49:57 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.219° N, 179.193° 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 1.9 and up: 0 in the 60 days after this one and 2 in the 30 days before it.
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002d5y. Read Tue, Sep 22, 2026, 9:34 AM UTC.