Learn about the largest active volcano on Earth Mauna Loa in Hawaii. Discover its massive size, eruption history, and ...

This image from webcam footage provided by the United States Geological Survey (USGS) shows lava fountains shooting up high ...

The 25th episode of the Halemaʻumaʻu eruption at Kīlauea ended after about eight hours of continuous fountaining on June 11.

Kīlauea Volcano’s Halemaʻumaʻu crater began erupting again on Wednesday, with lava fountains reaching more than 1,000 feet in ...

Lava fountains reached heights of more than 330 feet (100 meters) and feeding multiple lava streams. Scientists with the U.S. Geological Survey’s Hawaiian Volcano Observatory said the fountains were ...

Mount Etna produced a spectacularly explosive eruption Monday, sending a ripple of reddish clouds down from the southeast ...

Axial is a shield volcano similar to those found in Hawaii or Iceland. When it erupts, it doesn’t blow its top. Instead, lava seeps through cracks on its slopes, flowing slowly across the seafloor.

The method was applied to samples from three Hawaiian volcanoes representing different evolutionary stages: Kilauea, an active "shield" volcano, showed magma storage at shallow depths of 1–2 ...

One tool that scientists at the USGS Hawaiian Volcano Observatory use to measure ... it entered a multi-year phase of lava flows building a shield and traveling downslope towards the ocean.