The document discusses different types of dangerous natural disasters including avalanches, floods, hurricanes, tsunamis, tornadoes, volcanic eruptions, and blizzards. It provides brief definitions for each type of disaster, with avalanches defined as heavy falls of snow and ice down mountains, floods as large amounts of water in usually dry areas, hurricanes as extremely strong winds, tsunamis as large, fast-moving amounts of sea water towards coasts, and blizzards as strong winds combined with heavy snowfall.
