3 ms·
Ok, sure. Vibrations in the soil. Maybe overstating it to call it 'tremors'. Not gonna knock down anything with those. Barely perceptible meters away with sensi
by JoeAltmaier 3y ago
Ok, sure. Vibrations in the soil. Maybe overstating it to call it 'tremors'. Not gonna knock down anything with those. Barely perceptible meters away with sensitive instruments. Sound waves really.