M4.4 earthquake 280 km WSW of Adak, Alaska
A magnitude 4.4 earthquake struck 280 km WSW of Adak, Alaska on Tue, Oct 22, 1974, 1:28 AM GMT+12 (13:28 UTC), 65 km (40 mi) below the surface.
A larger quake followed: M4.9 271 km WSW 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
- 1974-10-21 13:28:44 UTC
- Depth
- 65.0 km (40.4 mi), shallow
- Epicenter
- 51.322° N, 179.421° E
- 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
- 9
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 usp00008gp. Read Sat, Oct 3, 2026, 5:53 PM UTC.