M3.9 earthquake 147 km SE of Akutan, Alaska
A magnitude 3.9 earthquake struck 147 km SE of Akutan, Alaska on Fri, May 11, 1973, 10:13 PM GMT-9 (07:13 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.5 147 km S of False Pass, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 1973-05-12 07:13:58 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 53.404° N, 163.912° 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
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.5147 km S of False Pass, Alaska · 19491 days ago · 30 km deep · 21 km away
- 6.096 km SSW of False Pass, Alaska · 19474 days ago · 30 km deep · 68 km away
- 4.899 km SSW of False Pass, Alaska · 19467 days ago · 17 km deep · 71 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00001sx. Read Tue, Sep 22, 2026, 10:01 AM UTC.