Olympus Mons is a shield volcano 624 km (374 mi) in diameter (approximately the same size as the state of Arizona), 25 km (16 mi) high, and is rimmed by a 6 km (4 mi) high scarp. A caldera 80 km (50 mi) wide is located at the summit of Olympus Mons. To compare, the largest volcano on Earth is Mauna Loa.
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Aug 16, 2023 · Towering roughly two and a half times the height of Mount Everest, Olympus Mons sits on the equatorial region of the planet Mars. A circular ...
Jul 28, 2023 · Mars' mighty Olympus Mons may have once been a volcanic island surrounded by an ocean nearly 4 miles (6km) deep, according to geological ...