M6.2 earthquake 136 km SE of Akutan, Alaska
A magnitude 6.2 earthquake struck 136 km SE of Akutan, Alaska on Mon, Apr 1, 1946, 6:59 AM GMT-10 (16:59 UTC), 25 km (16 mi) below the surface.
A larger quake followed: M6.6 146 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
- 6.2 (mw), strong
- Local time
- UTC
- 1946-04-01 16:59:18 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 53.440° N, 164.065° 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.
- Magnitude uncertainty
- ±0.22
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.2 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 6.6146 km ESE of Akutan, Alaska · 29402 days ago · 25 km deep · 22 km away
- 6.2136 km S of False Pass, Alaska · 29401 days ago · 25 km deep · 30 km away
- 6.2172 km SSE of False Pass, Alaska · 29401 days ago · 25 km deep · 81 km away
- 6.1136 km ESE of Akutan, Alaska · 29401 days ago · 25 km deep · 11 km away
- 6.0155 km S of False Pass, Alaska · 29400 days ago · 25 km deep · 40 km away
- 6.2184 km SE of Akutan, Alaska · 29397 days ago · 25 km deep · 48 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem898322 (also filed as ushis1537). Read Wed, Sep 30, 2026, 11:37 AM UTC.