When Mark Twain said "Buy land, they're not making it anymore.", he failed to consider the active volcano’s around the world. Every day oceanic volcano's and volcano's that are near the ocean spew lava that ends up cooling and forming new crust. Can anyone tell me how much new land that equates to per day?
2007-03-20 11:28:34 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Earth Sciences & Geology
In an average year eruptions with VEI>2 add about 42 million cubic meters of tephra to the land each year. This would cover and area 1 km on a side 42 m deep or square six city blocks on each side 140 feet deep.
http://volcano.und.edu/vwdocs/frequent_questions/grp12/question833.html
2007-03-20 11:35:44 · answer #1 · answered by Cotton 3 · 0⤊ 0⤋
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2016-12-15 04:51:21 · answer #2 · answered by Anonymous · 0⤊ 0⤋