> whereas on the surface it's the equivalent pressure of Earth's Mariana trench. The surface pressure on Venus is around 90 atm which is equivalent to the pres

> whereas on the surface it's the equivalent pressure of Earth's Mariana trench. The surface pressure on Venus is around 90 atm which is equivalent to the pressure one km below the ocean surface. The Mariana trench is a little over 11 km deep.