There is nothing scarier than natural disasters.
I can't understand why they built the nuclear power plant on a potential disaster site to begin with.
Each room has been prepared with flashlights and water bottles in case of a natural disaster.
A disaster that does damage. Usually these are natural disasters, though they could also just be regular disasters as well.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.