The 9,737-foot Mount Merapi volcano sits on the densely populated island of Java. No residents were evacuated Wednesday morning, but officials are closely monitoring the volcano’s activity.

Published January 27, 2021 at 2560 × 1920 in Indonesia’s Most Active Volcano Erupts

TOPSHOT – People look up at Mount Merapi, Indonesia’s most active volcano, as it spews rocks and ash out for another day in Yogyakarta on January 27, 2021. (Photo by Agung Supriyanto / AFP) (Photo by AGUNG SUPRIYANTO/AFP via Getty Images)