Science & Nature

Manhattan-sized horde of volcanic rocks journeys across the ocean – Mashable

Manhattan-sized horde of volcanic rocks journeys across the ocean – Mashable

Kaboom. Somewhere beneath the waters of the tropical Pacific Ocean, likely around the island of Tonga, a volcano recently erupted. The proof lies in a sprawling raft of extremely lightweight volcanic rock called pumice, which is so porous that it floats. NASA posted satellite images of the drifting mass on Aug. 23, though the geologic…

Kaboom.

Someplace under the waters of the tropical Pacific Ocean, seemingly across the island of Tonga, a volcano honest now now not too long ago erupted. The proof lies in a sprawling raft of extraordinarily lightweight volcanic rock called pumice, which is so porous that it floats. NASA posted satellite photos of the drifting mass on Aug. 23, despite the incontrovertible truth that the geologic level to used to be first spotted in mid-August. 

“Many of the area’s volcanoes are shrouded by the waters of the oceans,” wrote NASA. “After they erupt, they can discolor the ocean ground with gases and particles. They moreover can spew heaps of lava which would be lighter than water.”

Huge pumice raft on August 13.

Huge pumice raft on August 13.

Image: usgs / nasa

As of Aug. 13, the raft, in total, regarded better than the island of Huge apple, which is ready 23 square miles in dimension. Pumice is created at some level of explosive volcanic eruptions, wherein the gasoline trapped molten rock explodes out of the hot topic fabric in a violent tension free up.

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Adventuring sailors on a catamaran met the massive pumice raft up shut. They encountered floating pumice ranging in dimension from marbles to basketballs, some of which jammed their rudders. The team moreover renowned the ominous smell of sulfur wafting via the air, and posted their skills on Fb. 

The oceans will incrementally disperse this fleeting geologic shock, nonetheless it absolutely’s normal for some marine life to hitch a budge on the floating stones, and recede across the globe. 

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