How loud are whales?

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Whales use their sounds for different kinds of communication. Blue whales mostly produce very loud, highly structured, repetitive low-frequency rumbling sounds that can travel for many miles underwater.

These sounds may be used for communicating with other blue whales, especially in order to attract and find mates. Blue whales make a sound up to about 188 decibels. The sperm whale is the loudest animal on the planet.

It makes clicking sounds at a decibel level of 236. A jet taking off 80 feet away from you will hit you with about 150 decibels. — the point at which your eardrums could rupture.

This is the loudest sound produced by a living animal and has been detected as far away as 530 miles. The amplitude of whale sound is measured underwater, so although it would be painful to humans, it doesn’t hurt other animals in the sea because they have different ears and can tolerate such high amplitudes.