1964, the Denali fault, and the subduction zone.

The Good Friday earthquake of 27 March 1964 reached magnitude 9.2 and reshaped coastline hundreds of miles away. The second largest earthquake ever recorded
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The Good Friday earthquake of 27 March 1964 reached magnitude 9.2 and reshaped coastline hundreds of miles away.
The Aleutian subduction zone produces the largest events, and the monitoring network across the state exists because of it.
Elsewhere on the river