M5.4 earthquake 101 km SE of Akhiok, Alaska
A magnitude 5.4 earthquake struck 101 km SE of Akhiok, Alaska on Sun, Sep 19, 1971, 9:44 PM GMT-9 (06:44 UTC), 23 km (15 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (mw), moderate
- Local time
- UTC
- 1971-09-20 06:44:14 UTC
- Depth
- 23.4 km (14.5 mi), shallow
- Epicenter
- 56.265° N, 153.067° 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.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 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 iscgem780458. Read Tue, Sep 22, 2026, 8:56 AM UTC.