An eruption from the side of a volcano is called a lateral eruption. This usually happens at rift zones where a volcano breaks apart. It is also called a flank eruption. If the volcano is explosive, it may also be called a lateral blast.

A volcano eruption can cause an earthquake and or aftershocks

An eruption from the side of a volcano is called a lateral eruption. This usually happens at rift zones where a volcano breaks apart. It is also called a flank eruption. If the volcano is explosive, it may also be called a lateral blast.

its an eruption which is quiet.

The type of eruption that a composite volcano has is lava flow with cinders and bombs in an explosive eruption