These may include avalanches (where snow comes down a mountain), cold (where animals and people freeze), diseases (sicknesses), droughts (when there is no water), earthquakes (where the ground moves), famine (where there is not enough food), fire that burns things and people, flood (where rivers grow too big and invade land), hail (hard ice falls like rain), heat that lowers the water supply, hurricanes that break everything, the hyper nova of a star that kills life, an impact event where meteors hit the earth, a limnic eruption (where bad chemicals come from lakes and can kill people), landslides and mudslides (where the top of the ground moves because of extra water), sink holes (where a cave falls in), solar flares (where the sun reaches out at the earth and burns it), storm surge (where water piles up and then suddenly comes on land), thunderstorms (rain with lightning and thunder), tornadoes (currents of wind that break things), tsunami (where a wall of water comes on land), volcanoes (where lava from inside the earth comes out slowly or shoots into the air), a waterspout (like a tornado on water), or winter storms (where snow falls thick and you cannot see).