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Hurricane Katrina
Overview

Hurricanes, Typhoons, and Cyclones

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The grasses and animals living in marshes help to filter water and stabilize shorelines, along with providing habitat for a variety of mammals, fish, shellfish and amphibians and a haven for migratory waterfowl.
Article

How Hurricanes Shape Wetlands in Southern Louisiana

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Aerial image of Hurricane Bill
Article

The Ingredients for a Hurricane

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It is estimated that the March 11, 2011 earthquake in Japan was 1,000 times more powerful than the quake that struck Haiti in 2010. Watch as Smithsonian geologist Dr. Liz Cottrell explains this and more about the major earthquake and tsunami in Japan.
Video

Understanding the Japan Earthquake and Tsunami

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a colored shakemap from the M5.8 Virginia Earthquake depicts the shake range and epicenter of the earthquake
Article

A Guide to Earthquake Lesson Plans

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The formation of a hurricane is complicated, but basically, it depends on three factors. First, you need warm water, at least 80 degrees. The second ingredient is moist air. And finally, there needs to be converging winds for a hurricane to
Video

Where Do Hurricanes Get Their Strength?

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Isaac Ginis, hurricane modeling expert from The University of Rhode Island
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Dr. Isaac Ginis

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wooden ships are swept into Providence, RI during a storm
Photo

The Great Gale

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A bridge is flooded in Oklahoma after a hurricane
Photo

Flooding Waters

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A NASA satellite image from August 23, 2011 of Hurricane Irene, the Atlantic basin's first hurricane of 2011.
Photo

Hurricane Irene

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Thumbnail of Earth focused on Indonesia.
Video

Tsunami Science

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NOAA satellite image of four tropical storms in the Atlantic Ocean basin on 9/8/2011
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NASA Spots Four Tropical Storms in Atlantic Basin on Sept 8, 2011

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