Researchers in Kona Coast, Hawaii discovered how loud the underwater noise pollution was during the tsunami of 2011. During the tsunami, there was no boat activity and the researchers were able to capture what the bay could sound like without noise pollution. They discovered that the bay usually experiences noise pollution that is 16 times louder than it was on the day of the tsunami. Researchers fear that this significant disruption negatively impacts spinner dolphins, who sleep during the day and hunt at night. They plan to use this information to advocate for noise pollution reduction.
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