M4.8 earthquake 91 km SW of False Pass, Alaska
A magnitude 4.8 earthquake struck 91 km SW of False Pass, Alaska on Wed, Oct 23, 1985, 6:13 PM AKDT (02:13 UTC), 64 km (40 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1985-10-24 02:13:12 UTC
- Depth
- 63.8 km (39.6 mi), shallow
- Epicenter
- 54.252° N, 164.380° 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
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.8106 km SE of Akutan, Alaska · 14940 days ago · 33 km deep · 81 km away
- 4.7103 km ESE of Akutan, Alaska · 14933 days ago · 33 km deep · 70 km away
- 4.884 km ENE of Akutan, Alaska · 14898 days ago · 33 km deep · 22 km away
- 4.8123 km SSW of False Pass, Alaska · 14897 days ago · 33 km deep · 57 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002m2w. Read Mon, Sep 21, 2026, 8:36 AM UTC.