Ten months of unrest at Mount Spurr could be a sign of an upcoming eruption from a side vent or, less likely, from the main ...

A half-hour later, lava burst out of a vent in the volcano’s summit crater with tremendous power, hitting heights of about 330 feet. Geologists deployed to the rim looking over the lava ...

A volcanic vent in the Axial Seamount. Credit: Woods Hole Oceanographic Institution This work, published in the journal Nature, shows the main magma chamber reaching melt fractions of 37%.