A research team has found that the deepest known area in all the oceans, known as the Mariana Trench, is a noisy place filled with sound from weather-related events, animals, and ships.

What does the deepest part of the ocean sound like? 

It isn’t as quiet as many would think, says Robert Dziak, an oceanographer with the U.S. National Oceanic and Atmospheric Administration.

In fact, he says in a press release, “...there is almost constant noise.”

He explains that it consists of earthquakes, baleen whales, ship propellers, and weather-related events like a typhoon. 

This is what he and a team of researchers found when they recorded sound within the Mariana Trench, the deepest known area in all the oceans, for about three weeks.

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