Indonesia's Semeru volcano erupts, residents evacuated
Semeru volcano on Indonesia's Java Island has erupted, spewing a 1.5-km high ash column, authorities said, according to Xinhua. The country's Volcano Disaster Mitigation of the Center for Volcanology and Geological Hazard Mitigation (PVMBG) Sunday afternoon raised its volcanic alert level for Semeru volcano to level 4, the highest level of a four-tier volcanic alert system