Earthquake waves are of low pitch.
low pitch
Low frequency = low pitch = long waves
Low frequency = low pitch = long waves
high pitch is high frequency, low pitch is low frequency
Pitch is how high or low you sing, it your singing high, it means your singing at a high pitch. And if you sing low, it means you're singing at a low pitch.
A whistle is a High Pitch because its really loud and not really low.
I think the answer you seek is frequency. A low pitch equals a low frequency of the sound wave.
Low frequency = low pitch = long waves
It is medium pitch.
pitch
A high pitch note vibrates more rapidly than a low pitch note.
low