CNN Editorial Research (CNN) — Here’s a look at volcanoes, mountains that open downward to a reservoir of molten rock. Facts: More than 80% of the Earth’s surface, both above and below sea ...

CNN Editorial Research (CNN) — Here’s a look at volcanoes, mountains that open downward to a reservoir of molten rock. Facts:More than 80% of the ...

CNN Editorial Research Here’s a look at volcanoes, mountains that open downward to a reservoir of molten rock. Facts: More than 80% of the Earth’s surface, both above and below sea level, is ...

CNN Editorial Research (CNN) — Here’s a look at volcanoes, mountains that open downward to a reservoir of molten rock. Facts: More than 80% of the Earth’s surface, both above and below sea ...

CNN Editorial Research (CNN) — Here’s a look at volcanoes, mountains that open downward to a reservoir of molten rock. Facts: More than 80% of the Earth’s surface, both above and below sea ...

Mauna Kea When you think of the tallest mountains, instinctively, Mount Everest comes to mind. But here's a shocker: Mauna ...

Learn about the largest active volcano on Earth Mauna Loa in Hawaii. Discover its massive size, eruption history, and fascinating facts about its role in shaping the Hawaiian Islands.

Meaning “long mountain” in Hawaiian, it is the quintessential shield volcano in its shape — signified by broad, rounded slopes. The volcano makes up roughly 51% of the island of Hawaii and ...

Mauna Loa is a shield volcano, named because the long, broad flanks built by repeated lava flows give it the appearance of a warrior’s shield. In 1989, Alaska’s Redoubt Volcano, ...

It lies underwater about 20 miles off the coast of Hawaii's Big Island, on the flank of Mauna Loa, the largest shield volcano on the planet. The top of the seamount lies 3,200 feet below sea level.