The term "earthfall" refers to the sudden or unexpected arrival of natural events that affect the earth or the planet's inhabitants negatively. It can also signify a large chunk of the earth falling from space and landing on the planet's surface. Some synonyms for earthfall include natural disasters, cataclysms, earthquakes, landslides, and avalanches. Other words that can be used in place of earthfall include environmental catastrophes, apocalyptic events, cosmic disasters, and planetary crises. Regardless of which synonym is used, the overall meaning remains the same. It signifies the devastating impact of natural phenomena on the earth and human life.