By Matt Atherton Indonesian authorities have sounded the tsunami alarm after a series of major eruptions at Ruang mountain, with ash clouds reaching thousands of feet into the sky. Over 11,000 locals have been instructed to evacuate the danger zone. The volcano, situated on Sulawesi island’s northern flank, has experienced no less than five significant eruptions within the last day, as reported by Indonesia’s Center for Volcanology and Geological Disaster Mitigation. The alert level for the volcano has been escalated to the maximum. By Wednesday morning, at least 800 people had already vacated…