What is the pressure on a rock at 15-km depth in the Earth's crust?

Question

Quizplus · Accepted Answer

The pressure in the Earth's crust increases by approximately 1 atmosphere (14.7 pounds per square inch) for every 10-meter increase in depth. At a depth of 15 km (15,000 meters), the pressure would be approximately 1,000 times atmospheric pressure, which is equal to approximately 14,700 pounds per square inch (psi) or 101,300 kilopascals (kPa). Therefore, the best answer is D, which is approximately 4000 times atmospheric pressure (14.7 psi x 4000 = 58,800 psi or 405,200 kPa).

What Is the Pressure on a Rock at 15-Km Depth