Mount Karangetang, a volcano in Siau, Sulawesi erupted on Friday.
Mount Karangetang is one of Indonesia’s most active volcano.
1,110 degree Fahrenheit (600 Celsius) clouds of gas and hot lava was spit out from the mountain.
Ash and hot lava destroyed houses and other buildings.
A bridge and road is badly damaged.
Four people were missing and feared dead.
Five others were hospitalized, one in critical condition.
The mountain last erupted in July 2006.