By the end of the day, about 7 p.m. Pacific Standard Time, data from 16 crystals was collected and analyzed. The data, which ...

Several past eruptions were characterized by similar lava fountaining episodes, including at the start of the Puʻuʻōʻō ...

Consider a can of soda. When the can is closed (pressurized), the soda contains dissolved carbon dioxide (CO2). When you open ...

Video footage captured by Scott Malis during the volcano's 11th episode shows lava spewing out of Kilauea volcano and spinning into the air.

Mauna Loa is not erupting. Its USGS Volcano Alert Level is at NORMAL.

The observatory said fountains of the eruptions reached peak heights ... summits of two of the world's most active volcanoes, Kilauea and Mauna Loa, and is a popular tourist destination.

A rare 'lavanado' was spotted swirling over the eruption Kilauea volcano. Lava at the bottom of the vortex could be seen ...

Deadliest volcanic eruption: The 1815 eruption of Mount ... Though they don't form a classic cone shape, shield volcanoes can be massive: Mauna Loa has an estimated volume of 18,000 cubic miles ...