M6.4 earthquake 61 km ENE of Chignik, Alaska
A magnitude 6.4 earthquake struck 61 km ENE of Chignik, Alaska on Tue, Jan 1, 1963, 1:39 PM GMT-10 (23:39 UTC), 75 km (46 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.4 (mw), strong
- Local time
- UTC
- 1963-01-01 23:39:10 UTC
- Depth
- 74.8 km (46.5 mi), intermediate-depth
- Epicenter
- 56.575° N, 157.542° 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
- ±0.40
- 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 iscgem871639 (also filed as ushis2588). Read Mon, Sep 21, 2026, 7:53 PM UTC.