Semeru Volcano Observation Post officer, Yadi Yuliandi, reported that based on seismic observation on Saturday at 00:00-06:00 local times, Mount Semeru .
Mount Semeru, located on the border of Lumajang and Malang districts, East Java, erupted, Tuesday, at 5:27 local time, with an eruption height reaching 800 .
Some residents in the red zones of the Mount Semeru slopes fled their homes and moved to safer places after the volcano erupted hot cloud avalanches reaching .