Filipina marine geophysicist Jenny Anne Barretto has discovered what could be the largest caldera in the world, according to CNN Philippines. The New Zealand-based Pinay published the finding in a paper with scientists Ray Wood and John Milsom.
They named the caldera, a large volcanic crater typically formed due to a major eruption, the Apolaki Caldera after the Filipino mythical god. They discovered it in the Philippine Rise, previously known as Benham Rise, a 13-million-hectare region below sea level on the northeast side of the archipelago.
The University of the Philippines Marine Science Institute shared the scientists’ findings on Facebook. They said the Apolaki Caldera “may be the world's largest known caldera with a diameter of ~150 km. For comparison, [the Yellowstone, one of the Earth's largest calderas], is only about 60 km.”
In the paper, the scientists said the caldera’s features indicate a “volcanic history consisting of both quiet and explosive eruptions.”
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