Question

when earthquakes occur infrasonic waves are produced.Can we hear this?But certain animals respond to it.Why?

Answer 1

Answer:

no we can't hear this

Explanation:

but certain animals respond to it because these animals are sensitive to that sound and they can hear that sound

Answer 2

This could explain why animals apparently fled from the approaching Tsunami in 2004. Low-frequency sound waves and vibrations from weak foreshocks can be felt by animals like elephants or birds, fracturing rocks generate high frequency sounds that could be heard by rodents.