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Which hazard most directly results when large concentrations of tephra are remobilized downslope after initial deposition?

A)Secondary lahar formation
B)Pyroclastic surge propagation
C)Caldera collapse acceleration
D)Enhanced ash cloud electrification

💡 Explanation

Secondary lahars form through the remobilization of deposited tephra by rainfall or meltwater creating mudflows, because water entrains loose ash creating a dense slurry; therefore lahars are the direct outcome rather than other volcanic processes.

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