M4.8 earthquake 88 km SE of Adak, Alaska
A magnitude 4.8 earthquake struck 88 km SE of Adak, Alaska on Mon, Jun 28, 1982, 8:52 PM GMT-10 (06:52 UTC), 48 km (30 mi) below the surface.
A larger quake followed: M5.4 38 km ENE of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1982-06-29 06:52:12 UTC
- Depth
- 47.7 km (29.6 mi), shallow
- Epicenter
- 51.306° N, 175.743° 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 1.8 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.550 km SE of Adak, Alaska · 16145 days ago · 62 km deep · 40 km away
- 5.438 km ENE of Adak, Alaska · 16119 days ago · 64 km deep · 75 km away
- 4.837 km E of Adak, Alaska · 16116 days ago · 68 km deep · 65 km away
- 4.847 km E of Adak, AK · 16115 days ago · 67 km deep · 59 km away
- 5.1Andreanof Islands, Aleutian Islands, Alaska · 16102 days ago · 59 km deep · 82 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001n67. Read Tue, Sep 22, 2026, 9:28 PM UTC.