Hidden in the Pacific, two very different volcanoes are forcing scientists to rethink what counts as “biggest.” Tamu Massif, ...

HONOLULU (KHON2) — Pūhāhonu means “turtle rising for breath” in Hawaiian. It’s also considered the largest and hottest oceanic shield volcano on Earth. A shield volcano is formed of fluid lava flows. ...

Deep below the Earth's surface, magma is churning and flowing into the Axial Seamount, an underwater shield volcano about 300 miles off the coast of Oregon. As the volcano grows and tremors increase, ...

“Noctis Mons” is the seventh-largest volcano on Mars, the biggest being this one pictured—Olympus Mons (artist's impression). Scientists have discovered a massive, deeply eroded giant shield volcano ...

This MCC image, taken on September 03, 2015 at an altitude of 6144 km with a resolution of 320 m, shows an intermediate sized shield volcano known as Tharsis Tholus. It is located in the eastern ...

Kama?ehuakanaloa (formerly L??ihi Seamount), a submarine Hawaiian volcano located about 20 miles off the south coast of the Big Island of Hawai'i, has erupted at least five times in the last 150 years ...

HONOLULU (KHON2) — When scientist say ‘newly forming’, it means relative to the age of other volcanoes in the region. The Kamaʻehuakanaloa — formerly known as Lōʻihi Seamount, which was renamed in ...