M5.7 earthquake 260 km ESE of Attu Station, Alaska
A magnitude 5.7 earthquake struck 260 km ESE of Attu Station, Alaska on Wed, Jun 30, 1965, 8:33 PM GMT+12 (08:33 UTC), 45 km (28 mi) below the surface.
A larger quake followed: M5.8 244 km SE of Attu Station, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (mw), moderate
- Local time
- UTC
- 1965-06-30 08:33:32 UTC
- Depth
- 45.0 km (28.0 mi), shallow
- Epicenter
- 51.755° N, 176.569° 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.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.6283 km SE of Attu Station, Alaska · 22342 days ago · 44 km deep · 98 km away
- 5.8244 km SE of Attu Station, Alaska · 22339 days ago · 23 km deep · 53 km away
- 5.5Rat Islands, Aleutian Islands, Alaska · 22337 days ago · 32 km deep · 97 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem856536 (also filed as ushis2827). Read Tue, Sep 22, 2026, 12:15 PM UTC.