Have you ever wondered what an earthquake would sound like? Well, it wouldn't sound like anything because earthquake frequencies are in the 0.01 - 100 Hz range and we humans can't hear anything below 20 Hz.
But if you were to speed up the frequency, it would sound like this. (Note: in speeding up the frequency, they speed up the recording so what you hear in a minute, took an hour in real life.)
Update:
Look at all the other things we can listen for.
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