"Although to some, the noise is annoying, they pose no danger to humans or pets," the sheriff wrote. "Unfortunately, it is the sounds of nature."

Some people have even flagged down deputies to ask what the noise is all about, Newberry County Sheriff Lee Foster said. The nosiest cicadas were moving around the county of about

Emerging cicadas are so loud in one South Carolina county that residents are calling the sheriff's office asking why they can hear sirens or a loud roar. The Newberry County Sheriff's Office sent out a message on Facebook on Tuesday letting people know that the whining sound is just the male cicadas singing to attract mates after more than a decade of being dormant.

Trillions of red-eyed periodical cicadas are emerging from underground in the eastern U.S. this month. The broods emerging are on 13- or 17-year cycles.