EarthquakeMajor

M6.3 earthquake - 70 km E of Port Alsworth, Alaska

Name: M6.3 earthquake - 70 km E of Port Alsworth, Alaska
Start: 1968-12-17T12:02:19.54+00:00
Location: 70 km E of Port Alsworth, Alaska

21122 d ago · 17 Dec 1968, 12:02 UTC 70 km E of Port Alsworth, Alaska

What happened

A magnitude 6.3 earthquake struck 70 km E of Port Alsworth, Alaska on 17 Dec 1968, 12:02 UTC at a depth of 110 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.

The nearest town in our records is Anchorage, about 210 km away in Alaska, United States.

Timeline

First reported by USGS
16 Oct 2026, 20:46 UTC

Community

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