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Scientists identify Earth’s largest shield volcano, and it’s not Mauna Loa

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Amanda Kooser
2020-05-15 12:53:00

The a part of Puhahonu seen above the water is a small island. 


Mauna Loa in Hawaii has lengthy reigned on the world’s largest defend volcano, however it may have to acknowledge a brand new champion in that class. 

A crew of researchers on the University of Hawaii at Manoa has declared nearby Puhahonu as “Earth’s largest and hottest defend volcano” in a study published online this month in the journal Earth and Planetary Science Letters

There are a number of sorts of volcanoes (together with stratovolcanoes and cinder cones), however defend volcanoes like Mauna Loa and Kilauea are among the many most well-known and recognizable. “Defend volcanoes are virtually completely basalt, a sort of lava that may be very fluid when erupted,” Oregon State University explains. That provides these volcanoes their distinctive sloping sides.  

Puhahonu, which interprets to “turtle rising for breath,” is situated within the Papahanaumokuakea Marine National Monument within the Pacific Ocean. It does not seem like a lot when seen from above the water, however the researchers say it is practically twice as large as Mauna Loa. 

The crew of volcanologists and ocean scientists used an ocean flooring survey and chemical evaluation of rocks to assist attain the brand new conclusion on Puhahonu. The College of Hawaii famous that scientists had suspected as far again on the 1970s that Puhahonu was the most important of the Hawaiian volcanoes. They only did not have the analysis to again it up till now.

The visible islands atop Puhahonu have been known as Gardner Pinnacles, however the research crew hopes to carry consideration to its correct title. 

Said study lead Michael Garcia, “We’re sharing with the science group and the general public that we needs to be calling this volcano by the title the Hawaiians have given to it, somewhat than the western title for the 2 rocky small islands which can be the one above sea stage remnants of this as soon as majestic volcano.” 

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