M4.6 earthquake 71 km S of False Pass, Alaska
A magnitude 4.6 earthquake struck 71 km S of False Pass, Alaska on Tue, Oct 2, 1984, 8:15 PM AKDT (04:15 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.0 141 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
- 4.6 (mb), light
- Local time
- UTC
- 1984-10-03 04:15:02 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 54.212° N, 163.321° 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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.0141 km S of False Pass, Alaska · 15319 days ago · 33 km deep · 72 km away
- 4.8135 km S of False Pass, Alaska · 15319 days ago · 33 km deep · 65 km away
- 4.835 km SW of False Pass, Alaska · 15278 days ago · 33 km deep · 60 km away
- 4.874 km SSW of False Pass, Alaska · 15274 days ago · 33 km deep · 35 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00027vw. Read Tue, Sep 22, 2026, 8:44 AM UTC.