Biggest underwater volcanic eruption in Pacific Ocean: Covers 600 miles, forms pumice island

It took six years for researchers to uncover the truth behind the strange substance spreading across the Pacific Ocean, spotted by an airline passenger in 2012. Scientists back then claimed the strange substance to be pumice. However, it was discovered that the Havre volcano, discovered in 2002 and located 600 miles off the coast of New Zealand, had erupted, leaving behind a floating raft of rock. The volcano sits one mile below the surface of the Pacific Ocean. With the aid of deep search robots controlled by remotes, the scientists studied the scale of this volcanic eruption and the expelled materials.

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