M5.5 earthquake 123 km SSE of Cordova, Alaska
A magnitude 5.5 earthquake struck 123 km SSE of Cordova, Alaska on Fri, Oct 2, 1964, 12:23 PM GMT-10 (22:23 UTC), 15 km (9 mi) below the surface.
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
- 1964-10-02 22:23:32 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 59.569° N, 144.718° 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
- ±0.24
- 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: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem863217. Read Tue, Sep 22, 2026, 10:02 AM UTC.