How long does it take for a rock to tumble naturally and then turn into a conglomerate

there is a treasure chest with billions of gold on a sunken ship.

explanation:

i mean it is

true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.