tragedy

• "the whole city was affected by the irremediable calamity"
• "the earthquake was a disaster"

Synonyms

• calamityan event resulting in great loss and misfortune
• catastrophean event resulting in great loss and misfortune; a state of extreme (usually irremediable) ruin and misfortune; a sudden violent change in the earth's surface
• disastera state of extreme (usually irremediable) ruin and misfortune; an event resulting in great loss and misfortune; an act that has disastrous consequences
• cataclysma sudden violent change in the earth's surface ; an event resulting in great loss and misfortune

• "excites terror or pity"