New Zealand Local Weather Forum
Climate and Science => Space, Science and Nature => Topic started by: Deano on April 02, 2013, 07:39:50 PM
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Giant craters found on the sea floor off the South Island coast may be the world's biggest pockmarks, say scientists.
Three giant pockmarks - the largest 11km long and 6km wide and 100m deep - were discovered at Chatham Rise, 500km east of Christchurch, by New Zealand, German and American scientists.
The structures, caused by fluids and gases erupting through sediment into the ocean, were possibly twice the size of the largest pockmarks recorded in scientific literature, GNS Science said.
"It's most unusual for scientists to encounter sea floor structures of this size and complexity. They are big enough to enclose the Wellington city urban area, or lower Manhattan," said GNS Science marine geophysicist Bryan Davy.
Full story & picture http://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=10874910 (http://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=10874910)
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Massive eruption-born craters found | Stuff.co.nz (http://www.stuff.co.nz/the-press/news/8498931/Massive-eruption-born-craters-found)
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