Krakatoa eruptions of 1883 and 1979, Eruption of Mt.
Vesuvius in A.
79, Hurricane Katrina in 2005, and Indian Ocean Tsunami in 2005.
Research another catastrophic geologic event (a volcanic eruption, a large earthquake, a big landslide, etc), and describe it using 10-15 sentences.
Be sure you differentiate what makes the event you selected unique and special.
Spelling and grammar also count!