The blast speed, wind direction and the nature of the ash determine how far its will travel.
Explanation:
As volcanic ash consists of the ricks material and the volcanic glass that erupt during an eruption and they also refer to the loosely associated materials that are tephra and particles that are larger than 2 mm. As the magma has dissolved gases it explodes violently with reaction to the atmosphere. Due to the widespread dispersal of this ash, the anything and everything is affected if its located nearby.
