This section of historic Mauna Loa Road — not to be confused with Mauna Loa Observatory Road off Daniel K. Inouye Highway — ...

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

About two months before Mauna Loa spewed rivers of glowing orange molten lava ... a research geologist at the Hawaiian ...

American scientist Charles David Keeling starts measuring CO2 levels over Hawaii’s Mauna Loa Observatory, resulting in the “Keeling Curve” graph that shows CO2 concentrations rising.

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 ...

That happened two years ago with the world’s largest active volcano. About two months before Mauna Loa spewed rivers of ...

About two months before Mauna Loa spewed rivers of glowing orange molten lava, geologists detected small earthquakes nearby ...