M4.3 earthquake 127 km S of False Pass, Alaska
A magnitude 4.3 earthquake struck 127 km S of False Pass, Alaska on Sun, Dec 8, 1974, 6:23 AM GMT-11 (17:23 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.6 84 km SSE 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
- 4.3 (mb), light
- Local time
- UTC
- 1974-12-08 17:23:18 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 53.713° N, 163.461° 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
- 7
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.486 km S of False Pass, Alaska · 18907 days ago · 30 km deep · 41 km away
- 4.684 km SSE of False Pass, Alaska · 18905 days ago · 44 km deep · 70 km away
- 4.3124 km S of False Pass, Alaska · 18875 days ago · 33 km deep · 15 km away
- 4.3125 km S of False Pass, Alaska · 18875 days ago · 33 km deep · 7 km away
- 4.6152 km S of False Pass, Alaska · 18870 days ago · 18 km deep · 27 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000920. Read Wed, Sep 30, 2026, 6:34 PM UTC.