M4.5 earthquake 50 km SE of Adak, Alaska
A magnitude 4.5 earthquake struck 50 km SE of Adak, Alaska on Sat, Jul 10, 1982, 10:11 AM GMT-10 (20:11 UTC), 62 km (38 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
- 4.5 (mb), light
- Local time
- UTC
- 1982-07-10 20:11:50 UTC
- Depth
- 61.5 km (38.2 mi), shallow
- Epicenter
- 51.606° N, 176.049° 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 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.438 km ENE of Adak, Alaska · 16118 days ago · 64 km deep · 38 km away
- 4.837 km E of Adak, Alaska · 16116 days ago · 68 km deep · 27 km away
- 4.847 km E of Adak, AK · 16115 days ago · 67 km deep · 24 km away
- 5.1Andreanof Islands, Aleutian Islands, Alaska · 16102 days ago · 59 km deep · 51 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001nbs. Read Tue, Sep 22, 2026, 7:22 AM UTC.