Katelyn Cornelius

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What causes a tsunami? - CNN Video

CNN's Jennifer Gray explains the effects of tsunamis and what causes this oceanic phenomenon.

The 8 Most Powerful Earthquakes Ever Recorded

Based on total energy released<p>This list gives a numerical ranking of the most powerful earthquakes that have been scientifically measured. In short, …

Understanding tornadoes: 5 questions answered

<i>Editor’s note: Tornado season in North America typically starts in the Southeast in March and April, then moves north and west into the Plains states</i> …

Ranking the 10 Most Dangerous Volcanoes, From Vesuvius to Santa Maria

Time to count down some dangerous volcanoes. I've gone through what might make a volcano dangerous and how I tried to rank dangerous volcanoes, …

Geology

World's deadliest disasters caused by weather revealed by UN

World Meteorological Organisation declares 1970 cyclone in Bangladesh worst ever.<p>The World Meteorological Organisation has revealed the deadliest …