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Under Sea Volcanoes – The Axial Seamount
By Jim Le Maistre
300 kilometers off the coast of Oregon there is an undersea volcano, The Axial Seamount. It erupted in 1982, 1998, 2011 and 2015. New Scientist July 9 th , 2007 suggests that there are roughly 3 million volcanoes under the oceans of the world, this one is the only under sea volcano ever, regularly, studied. It is estimated that about 80 % of all volcanic activity on Earth occurs under the oceans. Almost nothing is known about these volcanoes. Scientists do not even have a scale by which to measure volcanoes that erupt under the sea. No system has ever been developed to describe or rate their magnitude like the systems rating Volcanoes above land.
Environment Canada – August 2015 . . . arrow pointing to ’Axial Seamount’- by author
Read the whole article: https://carbon-sense.com/wp-content/uploads/2022/07/axial-sea-mount.pdf [PDF, 881 KB]
[…] Satellite based thermal scanning of the Earth’s Oceans by NASA have shown that there may be as many as 3 million volcanoes down under the Ocean. These volcanoes can warm the ocean and drive dissolved carbon dioxide into the air. (Source) […]