^{Factors tending to Factors tending to}

^{increase risk perception decrease risk perception}

Involuntary Voluntary

^{(“having” to live on a fault ) (“knowingly” live on a fault )}

Uncontrollable Controllable

^{(passenger in a car) (driving a car)}

Immediate Impact Delayed Impact

^{(wildfire) (global warming)}

Dreaded Hazard Common Hazard

^{(cancer) (heart attack)}

Much Media Attention Little Media Attention

^{(nuclear power plant) (coal burning power plant)}

Many Fatalities per event Few Fatalities per event

^{(jet-liner crash) (car crash)}

Unfamiliar Hazard Familiar Hazard

^{(lahar or debris flow) (river flood)}

Not Well Understood Well Understood

^{(nuclear waste) (coal-burning waste)}