M4.7 earthquake 151 km WNW of Adak, Alaska
A magnitude 4.7 earthquake struck 151 km WNW of Adak, Alaska on Sat, Sep 24, 1983, 11:55 PM GMT-10 (09:55 UTC), 197 km (122 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1983-09-25 09:55:16 UTC
- Depth
- 196.7 km (122.2 mi), intermediate-depth
- Epicenter
- 52.384° N, 178.678° 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.
Nearby
Within 100 km, magnitude 1.7 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001ynh. Read Thu, Oct 1, 2026, 6:10 AM UTC.