[/caption] Shield volcanoes are some of the largest volcanoes in the world. For example, Mauna Kea and Mauna Loa on the big island of Hawaii are examples of shield volcanoes. And so is Olympus Mons on Mars, which towers 27 km above the surrounding plains. But how are shield volcanoes formed? Shield volcanoes form like … Continue reading "How Are Shield Volcanoes Formed?"