M5.6 earthquake 158 km W of Attu Station, Alaska
A magnitude 5.6 earthquake struck 158 km W of Attu Station, Alaska on Fri, Dec 8, 1972, 6:18 AM GMT+11 (19:18 UTC), 22 km (13 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.6 (mw), moderate
- Local time
- UTC
- 1972-12-07 19:18:52 UTC
- Depth
- 21.5 km (13.4 mi), shallow
- Epicenter
- 53.063° N, 170.849° 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.
- Magnitude uncertainty
- ±0.26
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem765821. Read Tue, Sep 22, 2026, 8:56 PM UTC.