M4.7 earthquake 66 km ESE of Akutan, Alaska
A magnitude 4.7 earthquake struck 66 km ESE of Akutan, Alaska on Tue, Jul 25, 1978, 1:58 PM GMT-9 (22:58 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.8 66 km E 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
- 4.7 (mb), light
- Local time
- UTC
- 1978-07-25 22:58:27 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 53.886° N, 164.862° 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
- 30
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.866 km E of Akutan, Alaska · 17560 days ago · 64 km deep · 29 km away
- 4.243 km S of Akutan, Alaska · 17551 days ago · 33 km deep · 59 km away
- 5.198 km SSW of False Pass, Alaska · 17547 days ago · 40 km deep · 57 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000vs8. Read Tue, Sep 22, 2026, 7:04 AM UTC.