M4.5 earthquake 125 km SE of Akutan, Alaska
A magnitude 4.5 earthquake struck 125 km SE of Akutan, Alaska on Mon, Aug 4, 1986, 8:56 PM AKDT (04:56 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.0 38 km ESE of Akutan, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1986-08-05 04:56:32 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 53.374° N, 164.371° 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 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.688 km ESE of Akutan, Alaska · 14654 days ago · 33 km deep · 60 km away
- 4.6125 km S of False Pass, Alaska · 14648 days ago · 33 km deep · 89 km away
- 5.038 km ESE of Akutan, Alaska · 14611 days ago · 33 km deep · 94 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002wvx. Read Sun, Sep 27, 2026, 4:24 AM UTC.