Mount Lewotobi Laki Laki in Indonesia erupted twice on Monday, launching volcanic materials up to 18 km into the sky and covering villages with ash. The eruptions caused flight cancellations and heightened evacuation warnings.

Indonesia’s rumbling Mount Lewotobi Laki Laki erupted Monday, sending a column of volcanic materials as high as 18 kilometers (11 miles) into the sky and depositing ash on villages.

Indonesian volcano Mount Lewotobi Laki Laki dramatically erupted on Monday morning, propelling a huge column of ash 11 miles into the sky and blanketing nearby villages. No casualties have been reported in the eruption,