Detailed comparison of Hurricanes Helene and Katrina analyzing landfall intensity, storm surge, rainfall impact, human cost, and economic damage. Understand why ranking these catastrophic storms involves complex factors beyond wind speed, with key takeaways for disaster preparedness and climate change impacts.

Explore the deadliest earthquakes in history including the catastrophic 1556 Shaanxi disaster. Learn what makes earthquakes devastating and discover life-saving preparedness strategies based on seismic science.