Sand and large, wave-rounded boulders frame the edge of the 2018 Kīlauea lava delta near Isaac Hale Beach Park in Puna on the Big Island. Wave action has eroded these boulders from the 2018 lava flow ...

Following the opening of the new southern fissure, tiltmeters transitioned to showing deflationary motion typical of ...

Looming above Kilauea's glowing lava rivers and explosions of ash, is the most massive mountain on Earth. Measured from its deep ocean base, the Mauna Loa volcano is taller than Mount Everest. It ...

Water — H₂O — that originates from the atmosphere, including snow and rain, is called “meteoric water.” The large amounts of ...