Padang, West Sumatra, Aug. 12 -- Mount Marapi, which straddles the Agam and Tanah Datar districts of West Sumatra province, erupted on Tuesday morning, sending volcanic ash 1,600 meters above its summit.

"An eruption occurred at Mount Marapi in West Sumatra at 8:39 a.m. local time, with the ash column observed at approximately 1,600 meters above the summit," an officer from the Mount Marapi Volcanology and Geological Hazard Mitigation (PGA), Ahmad Rifandi, informed on Tuesday.

The PGA reported that the ash column was white-gray, thick in intensity, and drifting northeast. Seismograph readings recorded a maximum amplitude of 30.4 millimeters, with the eruption lasting around 34 seconds.

Mount Marapi's alert level remains at Level II. Th...