M4.4 earthquake 78 km NNE of Adak, Alaska
A magnitude 4.4 earthquake struck 78 km NNE of Adak, Alaska on Wed, Jun 11, 1986, 3:09 PM HADT (00:09 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.5 27 km E 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
- 4.4 (mb), light
- Local time
- UTC
- 1986-06-12 00:09:37 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 52.534° N, 176.220° 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
- OPERATOR_ASSIGNED
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.665 km WSW of Atka, Alaska · 14708 days ago · 33 km deep · 90 km away
- 5.446 km WNW of Atka, Alaska · 14701 days ago · 33 km deep · 96 km away
- 4.743 km W of Atka, Alaska · 14701 days ago · 33 km deep · 99 km away
- 5.527 km E of Adak, Alaska · 14691 days ago · 50 km deep · 70 km away
- 4.669 km ESE of Adak, Alaska · 14675 days ago · 33 km deep · 95 km away
- 4.844 km E of Adak, Alaska · 14672 days ago · 33 km deep · 75 km away
Before
- 4.247 km ENE of Adak, Alaska · 14729 days ago · 33 km deep · 51 km away
- 4.885 km E of Adak, Alaska · 14740 days ago · 33 km deep · 96 km away
- 3.851 km W of Atka, Alaska · 14742 days ago · 33 km deep · 98 km away
- 5.048 km W of Atka, Alaska · 14742 days ago · 33 km deep · 94 km away
- 5.451 km W of Atka, Alaska · 14742 days ago · 33 km deep · 91 km away
- 4.657 km W of Atka, Alaska · 14743 days ago · 33 km deep · 86 km away
- 3.845 km WNW of Atka, Alaska · 14746 days ago · 33 km deep · 97 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002uzd. Read Mon, Sep 28, 2026, 10:01 AM UTC.