M4.4 earthquake 48 km WSW of Adak, Alaska
A magnitude 4.4 earthquake struck 48 km WSW of Adak, Alaska on Sun, Mar 31, 1974, 5:34 AM GMT-10 (15:34 UTC), 61 km (38 mi) below the surface.
A larger quake followed: M4.9 41 km ENE 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1974-03-31 15:34:24 UTC
- Depth
- 61.0 km (37.9 mi), shallow
- Epicenter
- 51.713° N, 177.285° 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.
- Stations used
- 19
Nearby
Within 100 km, magnitude 1.5 and up: 2 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 usp00005tp. Read Thu, Oct 1, 2026, 8:36 PM UTC.