M4.7 earthquake 170 km SE of Akutan, Alaska
A magnitude 4.7 earthquake struck 170 km SE of Akutan, Alaska on Tue, Aug 17, 1982, 3:05 PM GMT-9 (00:05 UTC), 44 km (27 mi) below the surface.
A larger quake followed: M5.0 143 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
- 4.7 (mb), light
- Local time
- UTC
- 1982-08-18 00:05:46 UTC
- Depth
- 44.0 km (27.3 mi), shallow
- Epicenter
- 53.076° N, 163.916° 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 1.7 and up: 4 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.0143 km S of False Pass, Alaska · 16103 days ago · 38 km deep · 58 km away
- 4.7107 km SSW of False Pass, Alaska · 16098 days ago · 33 km deep · 99 km away
- 4.7140 km S of False Pass, Alaska · 16089 days ago · 33 km deep · 60 km away
- 4.6163 km S of False Pass, Alaska · 16061 days ago · 33 km deep · 41 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001p3z. Read Tue, Sep 22, 2026, 12:12 PM UTC.