A fatal mudslide in Washington State is a reminder of the lethal force of the fast-moving natural phenomenon.
Find out the difference between these killer storms.
From AvaLungs to snow science, technology and know-how can reduce risks.
Photograph by Deshakalyan Chowdhury/AFP/Getty Images
Tsunamis can wreak havoc on coastal populations and landscapes. The December 26, 2004, tsunami in the Indian Ocean claimed some 150,000 lives and cleared the landscape on millions of acres of oceanfront terrain. Here are some measures you can take to avoid trouble if you're caught in a tsunami.
- When in coastal areas, stay alert for tsunami warnings.
- Plan an evacuation route that leads to higher ground.
- Know the warning signs of a tsunami: rapidly rising or falling coastal waters and rumblings of an offshore earthquake.
- Never stay near shore to watch a tsunami come in.
- A tsunami is a series of waves. Do not return to an affected coastal area until authorities say it is safe.
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National Geographic Magazine
They are the Earth’s pollinators. And they come in more than 200,000 shapes and sizes.
It’s a new name for a new geologic epoch—one defined by our own massive impact on the planet.
The World's Water
NG's new Change the Course campaign launches. When individuals pledge to use less water in their own lives, our partners carry out restoration work in the Colorado River Basin.
A special series on how grabbing water from poor people and future generations threatens global food security, environmental sustainability, and local cultures.