text: Mauna Kea is the tallest mountain on Earth as measured from base to summit, with a total height of 10,203 meters (33,474 feet). The base of Mauna Kea on the floor of the Pacific Ocean is 5,998 meters (19,678 feet) below mean sea level and its summit is 4,205 meters (13,796 feet) above mean sea level.\n\nMauna Loa is the most voluminous mountain on Earth with a volume of 74,000 cubic kilometers (17,800 cubic miles), enough material to fill the Grand Canyon more than 18 times. Though 35 meters (116 feet) lower than neighboring Mauna Kea, Mauna Loa is the most massive mountain on Earth.\n\nThe summit of Mount Everest is the highest point on the Earth's surface as measured from sea level at 8,850 meters (29,035 feet) above the Geoid. Mount Everest continues to rise at an average rate of about 40 millimeters (1.6 inches) per year as the Indian Tectonic Plate slides north under the Eurasian Plate.\n\nThe summit of Volcán Chimborazo in Ecuador is the farthest point on the Earth's surface from the Earth's center of mass at 6,384,404 meters (3,967.085 miles).