M5.6 earthquake 51 km ESE of Chiniak, Alaska
A magnitude 5.6 earthquake struck 51 km ESE of Chiniak, Alaska on Sun, Dec 29, 1968, 9:03 PM GMT-10 (07:03 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.6 (mw), moderate
- Local time
- UTC
- 1968-12-30 07:03:13 UTC
- Depth
- 33.1 km (20.6 mi), shallow
- Epicenter
- 57.489° N, 151.445° 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
- ±0.30
- 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 iscgem814623. Read Wed, Sep 23, 2026, 5:55 PM UTC.