M5.5 earthquake 206 km WSW of Adak, Alaska
A magnitude 5.5 earthquake struck 206 km WSW of Adak, Alaska on Wed, Mar 1, 1967, 11:16 AM GMT-11 (22:16 UTC), 36 km (22 mi) below the surface.
A larger quake followed: M5.7 126 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
- 5.5 (mw), moderate
- Local time
- UTC
- 1967-03-01 22:16:31 UTC
- Depth
- 36.2 km (22.5 mi), shallow
- Epicenter
- 51.074° N, 179.314° 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.
- Magnitude uncertainty
- ±0.42
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.5 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem837308. Read Tue, Sep 22, 2026, 3:15 PM UTC.