Cicadas 2024 Noise. After 13 years or 17 years, depending on their brood, the cicadas will tunnel to the surface to reach maturity and engage in a monthlong, noisy search for a mate. In cicadas 2024, a public facebook group with more than 10,000 members, users have remarked on the humming roar, describing it as endearing or deafening.
Since the cicadas emerge all at once, their sound is hard to miss, but the cdc advises folks not to fret. After spending more than a decade underground, trillions of amorous cicadas are noisily clamoring for a mate—and in a rare phenomenon, two broods.
