Aspects of this topic are discussed in the following places at Britannica.
...through the Alexander Archipelago and thence offshore along the coast of southeastern Alaska and western British Columbia. West of the St. Elias Mountains and Fairweather Range is the still-active Fairweather Fault, a northward extension of California’s coastal San Andreas Fault. The Fairweather Fault parallels the southeastern Alaska coast from Cape Spencer north and northwestward to the...
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