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Using maps and graphics, Smithsonian geologist Dr. Liz Cottrell provides an overview of the major earthquake and tsunami that struck Japan on March 11, 2011—one of the largest ever recorded globally. She explains the...
Dr. Isaac Ginis presented "Eye on the Storm: Predicting a Hurricane's Path of...
Tsunamis, giant waves caused by underwater earthquakes, speed across the ocean...
How should you prepare for a hurricane? Students from Bay High School in Bay St...

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Watch as a team of wave chasers heads to Somoa where they search for an undersea river five kilometers beneath the ocean's surface. There they measured skyscraper-sized internal gravity waves, which break and produce strong...
Large waves are a draw for surfers, scientists and spectators alike to...
When hurricanes blow through an area, they don’t just have an impact on...

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I became interested in weather phenomena when I took physics in high school. At the time, I just wanted to understand how...
Hurricane Katrina battered the city of New Orleans and many other areas of the Gulf Coast when it came ashore in August 2005. Dr. Isaac Ginis, a Professor of Oceanography at The University of Rhode...
Since 1902, more than 40 centimeters of mangrove peat could have accumulated at the Belize site, enough to entrap and bury small pieces of pumice. But Juan’s vexing questions persisted: Why hadn’t...
Dr. Isaac Ginis, an expert in hurricane modeling from The University of Rhode Island's Graduate School of Oceanography, is the second featured speaker in Changing Tides: A Series of Ocean Discussions...
Geophysicist Jian Lin of Woods Hole Oceanographic Institution and chief U.S. scientist aboard the Chinese oceanographic ship DaYang Yihao studied the earthquake site that triggered 2004’s Indian...
Orange shaded areas are major drainage basins of Belize, Guatemala, and Honduras that contribute sediment to the Caribbean. Wind and current patterns are represented by red and black arrows,...
Dr. Isaac Ginis presented "Eye on the Storm: Predicting a Hurricane's Path of Destruction", in October 2010. This second installment of the Changing Tides lecture series featured Dr. Isaac Ginis, a...
Using maps and graphics, Smithsonian geologist Dr. Liz Cottrell provides an overview of the major earthquake and tsunami that struck Japan on March 11, 2011—one of the largest ever recorded globally...
This image shows four tropical storm systems in the Atlantic Ocean basin on September 8, 2011. In this arresting image you can see Maria, Katia, Nate, and Lee--all four storm systems--in one NOAA...
From the water, red mangroves appear to form an impenetrable tangle of roots, trunks, and leaves—a protective barrier against storms and tsunamis. More about mangroves can be found in our Mangroves...
This map shows volcanoes of Central America and within the Caribbean Sea. The red triangles represent volcanoes known to have erupted in recent time (within the last 10,000 years) and white stars are...
As a geological oceanographer at the Smithsonian National Museum of Natural History, Dr. Maggie Toscano has made a career of documenting how coastal systems have changed over thousands of years in...
Robotic gliders allow researchers to collect data in severe weather conditions without risking lives. In 2009 Hurricane Bill passed to the north during the Scarlet Knight’s mission, producing large...
At the entrance of most beaches, there is a bulletin board with notices about water conditions: maybe a faded sign warning about rip currents and a list of this week's tide tables. Most people pass...
A tsunami is a set of waves created by a disturbance, likely an earthquake, which reaches the surface of the sea.
Tsunamis, giant waves caused by underwater earthquakes, speed across the ocean at 400 miles per hour. Early warning systems, such as NOAA’s DART systems, are key to saving lives. Today, 47 DART...
I became interested in weather phenomena when I took physics in high school. At the time, I just wanted to understand how various things in nature worked. Unfortunately, most information about...
The ocean moves in many ways, one of which is the shape of a wave.
But what path, precisely, did this pumice take to reach Belize from the Guatemalan Highlands? Maps of drainage networks that reach the Gulf of Honduras and currents in the western Caribbean Sea are...
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