Which Disaster Would Most Likely Cause the Most Long-Lasting Mental

Which disaster would most likely cause the most long-lasting mental health concerns for its victims?

A) For the fourth year in a row a flood hit an area,demolishing several houses,but families heard the warning siren and evacuated in time
B) A forest fire was deliberately set but was not a major concern until the fire suddenly changed direction and people attempting to evacuate at the last minute were burned in their cars
C) A tsunami hit the beach with unbelievable force,water sweeping over the entire harbor,although most boats had been moved to deep water
D) A volcano erupted and lava destroyed the main road to the village where several houses burned,but no one died in the eruption.