Hawaii's Mauna Loa, the largest active volcano on Earth, is taller than Tamu Massif but has only about 2 percent of its area.

Five weeks of mapping at sea suggests two possible origins for the underwater Tamu Massif. An article by Scientific American. Earth’s biggest volcano, its peak nearly two kilometers beneath the ...

The world's largest volcano lurks beneath the Pacific Ocean, researchers have announced.

News reports are claiming that scientists have recently found the largest volcano on Earth lurking deep under the ocean. Some even go so far as to call it the biggest in the solar system. So how ...

Mauna Loa, the largest volcano on Earth, has been showing signs of heightened unrest. Is it getting ready to erupt for the first time in almost 40 years?

Lava emerged from the north vent in Halemaumau Crater after midnight. The vent began shooting fountains of lava at 6:35 a.m., ...

Researchers revealed the largest and hottest shield volcano on Earth. A team of volcanologists and ocean explorers used several lines of evidence to determine which volcano holds that distinction.

The Bárðarbunga volcano system was responsible for Iceland's largest eruption for 300 years back in 2014. After a recent increase in seismic activity, could it be about to erupt again?

TOURISTS planning a trip to Tenerife have been warned about a “potentially scary” volcano “eruption” drill. It comes after ...

A seamount in the northwestern Pacific Ocean may be the largest volcano on Earth, and could rival the largest in the solar system -- the mighty Olympus Mons on Mars -- according to oceanographers.