Any coastal area has the potential to be struck by a tsunami but out of the options you provided Alaska is definitely at most risk.
This is because Alaska is facing what scientists call a megathrust (subduction zones) in which almost three quarters of all tsunamis tend to occur.
Fun Fact: The largest tsunami ever recorded was in Alaska with waves reaching a whopping 1720 feet high (524 meters)!
A complete sentence contains a subject and verb. So this is not a complete sentence.
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Hope you have a nice day!
