eruption – n. the release of rocks, ash, lava, etc. in a sudden explosion

evacuate – v. move people from a dangerous place to somewhere else

visibility – n. how far or well a person can see

mayor – n. the top government official in a city of town

panic – v. to suddenly feel so worried or frightened that you cannot think or behave calmly

lava – n. hot melted rock that comes out of a volcano

escalation – n. when a violent or bad situation becomes worse or more serious

hazardous – adj. dangerous