Up to 20 million tons of tsunami debris headed for U.S. shores

Debris
This post has been corrected. See note below for details.

Prepare for a garbage deluge.

An estimated 5 million tons to 20 million tons of debris sucked into the ocean during Japan's massive tsunami is due to hit U.S. shores, University of Hawaii scientists say. The wall of water struck in March, so that means the garbage should be here -- sometime in 2014.

Hey, it takes a long time to cross the Pacific Ocean if you’re a couch. Or a fridge. Or a piece of a house. Or a Coke can.

Earlier this year, Nikolai Maximenko, a senior researcher at the International Pacific Research Center in Hawaii, developed a model of how the tsunami debris is likely to move across the ocean. He based his model on the movements of thousands of buoys placed in the ocean over 30 years for purposes of studying the current.

According to Maximenko's calculations, the debris from the tsunami will wash up at Midway Attol (an island midway between Japan and Hawaii) this winter. It will start washing up on Hawaiian shores in the winter or spring of 2013. And in the beginning of 2014, it will hit the West Coast, mostly Oregon and Washington. (California will most likely be spared.)

Earlier this fall, Maximenko and Jan Hofman, a computer researcher who also worked on the model, got hard evidence that the garbage appears to be moving as they expected: A Russian ship, the STS Pallada, found an array of tsunami debris on its homeward voyage from Honolulu to Vladivostok.

Most of the debris likely didn’t start out as garbage, but rather as pieces of people’s lives. Such a fact lends poignancy to the bits of plastic and wood, both large and small, we can expect in this country. 

To be clear, the debris is not moving across the ocean en masse.

In an interview with The Times, Hofman said the moving debris field would be patchy, like "confetti soup." Some items will sink as they move across the Pacific, he said, but not as many as you might think.

What is likely to sink has already sunk. And the plastics, he said, are virtually indestructible.

[For the record, 12:47 p.m. Oct. 25: An earlier version of this story said that 5 tons to 20 tons of debris appeared headed toward the U.S. in the wake of the Japanese tsunami. The correct amount is 5 million tons to 20 million tons.]

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Image: Among the debris presumably washed out to shore by the March 11 tsunami in Japan was this boat, registered to the Fukushima prefecture and discovered by Russian sailors floating in the Pacific six months later. Credit: Courtesy Pallada

 

 
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Rene Lynch has been an editor and writer in Metro, Sports, Business, Calendar and Food. @ReneLynch

As an editor and reporter, Michael Muskal has covered local, national, economic and foreign issues at three newspapers, including the Los Angeles Times. @latimesmuskal


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