An analysis of crystals in lava from the 2022 eruption of Mauna Loa has revealed an unknown magma reservoir within the ...

Scientists can’t know precisely when a volcano is about to erupt, but they can sometimes pick up telltale warning signs.

Hawaii’s Mauna Loa Observatory just captured an ominous sign about the pace of global warming. Atmospheric levels of planet-warming carbon dioxide aren’t just on their way to yet another ...

The U.S. Geological Survey’s Hawaiian Volcano Observatory has recorded numerous small earthquakes beneath Mauna Generally, as magma rises and eventually infiltrates and fills Mauna Loa’s ...

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This image provided by the USGS Hawaiian Volcano Observatory shows a view from a research camera on ... [+] the north rim of the summit caldera of the Mauna Loa volcano, Monday, Nov. 28 ...

The observatory said Friday’s earthquake didn’t affect either Mauna Loa or a neighboring volcano, Kilauea. There were no immediate reports of damage to telescopes on the summit of Mauna Kea ...

Mauna Loa is classified as a shield volcano, indicating that its eruptions are typically mild and extended, rather than violent. The USGS Hawaiian Volcano Observatory (HVO) keeps a close eye on ...