Mauna Loa

Eruption has moved to Mauna Loa's Northeast Rift Zone. Local hazards include lava flows, ash and tephra fall, and heavy vog.

The mountain, which is taller than Mount Everest measured from seafloor to summit, erupted Sunday. Its lava appears to be contained, but scientists say the ...

This is the volcano's first eruption since 1984, according to the U.S. Geological Survey. Officials said lava flows were "contained within the summit area ...

For the first time in nearly 40 years, the world's largest active volcano is erupting in Hawaii, after weeks of increased activity at the caldera.

No evacuation orders were issued, but officials advised residents to review their preparedness plans. The volcano last erupted in 1984.

For the first time in a generation, lava began flowing from Mauna Loa at the heart of Hawaii's Big Island late Sunday. No one knows when it will stop, ...

Lava, volcanic gas and smog are the main hazards from eruption of the world's largest active volcano.

Some residents chose to stay in a shelter after the volcanic eruption on the Big Island of Hawaii. There were no reports of mandatory evacuations.

Volcanologists have the first opportunity in nearly four decades to examine and measure an event of this magnitude at the largest volcano in the world.

Hawaii's Mauna Loa began erupting on Nov. 27 for the first time in nearly four decades. Here are some facts about the volcano:

The Mauna Loa Observatory has kept a nearly uninterrupted record of atmospheric carbon dioxide for more than 60 years, but a volcanic eruption has cut off ...

It's a big eruption, and it's in a bad place,” geoscientist Ralph Keeling says of the impact on long-running monitoring of carbon dioxide in the atmosphere.