Mount Semeru, located on the border between Lumajang and Malang in East Java, erupted dozens of times over the past few weeks, triggering ash columns and ashfall on villages around the volcano.

Mount Spurr is not the kind of lava-spewing volcano familiar from Hawaii, but instead has historically ejected huge plumes of ...

Scientists have raised concerns after the alert levels for three U.S. volcanoes were upgraded due to increased activity. The ...