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Which hazard results from excessive outgassing within a volcanic dome?

A)Potential for lateral dome collapse
B)Rapid lahar formation during eruption
C)Increased viscosity blocking vent system
D)Depletion of volatile tephra quantities

💡 Explanation

Lateral dome collapse risk increases because increased outgassing destabilizes external structure material via elevated pore pressure effects; therefore collapse becomes likely, rather than other eruption-related problems, which might not affect instability.

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