Indonesia’s rumbling Mount Lewotobi Laki Laki erupted on Monday, sending a column of volcanic materials as high as 18 km into the sky and depositing ash on villages. The volcano has been at the highest alert level since last month and no casualties were reported.

Indonesia’s Mount Lewotobi Laki Laki has erupted, sending volcanic materials 18 kilometers into the sky. The eruption has also released searing gas clouds down its slopes, according to