geological phenomenon a natural phenomenon involving the structure or composition of the earth
catastrophe -
a state of extreme (usually irremediable) ruin and misfortune; "lack of funds has resulted in a catastrophe for our school system"; "his policies were a disaster"
catastrophe -
an event resulting in great loss and misfortune; "the whole city was affected by the irremediable calamity"; "the earthquake was a disaster"
apocalypse a cosmic cataclysm in which God destroys the ruling powers of evil
famine a severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
kiss of death something that is ruinous; "if this were known it would be the kiss of death for my political career"
meltdown a disaster comparable to a nuclear meltdown; "there is little likelihood of a meltdown comparable to the American banking collapse in March 1933"
plague an annoyance; "those children are a damn plague"
visitation an official visit for inspection or supervision; "the commissioner made visitations to all the precinct stations"; "the recent visitation of the bishop to his diocese"
tidal wave a wave resulting from the periodic flow of the tides that is caused by the gravitational attraction of the moon and sun
