M5.0 earthquake 245 km WSW of Adak, Alaska
A magnitude 5.0 earthquake struck 245 km WSW of Adak, Alaska on Sun, Jun 8, 1986, 9:06 AM GMT+12 (21:06 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.7 226 km WSW 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
- 5.0 (mb), moderate
- Local time
- UTC
- 1986-06-07 21:06:41 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.221° N, 179.992° E
- 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
Nearby
Within 100 km, magnitude 2.0 and up: 4 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.9183 km SW of Adak, Alaska · 14704 days ago · 33 km deep · 91 km away
- 5.7226 km WSW of Adak, Alaska · 14690 days ago · 33 km deep · 18 km away
- 4.2239 km WSW of Adak, Alaska · 14690 days ago · 33 km deep · 28 km away
- 4.6285 km WSW of Adak, Alaska · 14658 days ago · 33 km deep · 42 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002uvx. Read Wed, Sep 23, 2026, 1:57 AM UTC.