M5.5 earthquake 29 km SSW of Cordova, Alaska
A magnitude 5.5 earthquake struck 29 km SSW of Cordova, Alaska on Thu, Jun 4, 1964, 11:50 PM GMT-10 (09:50 UTC), 13 km (8 mi) below the surface.
A larger quake followed: M5.7 100 km ESE of Chenega, 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, moment), moderate
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1964-06-05 09:50:36 UTC
- Depth
- 13.1 km (8.1 mi), shallow
- Epicenter
- 60.307° N, 145.989° 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
- ±0.21
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
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
- 5.471 km ESE of Chenega, Alaska · 22739 days ago · 16 km deep · 63 km away
- 5.216 km E of Cordova, Alaska · 22736 days ago · 21 km deep · 39 km away
- 5.7100 km ESE of Chenega, Alaska · 22729 days ago · 25 km deep · 80 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem866581. Read Sat, Oct 3, 2026, 3:25 PM UTC.