What are some negative effects of volcanoes?

A secondary school revision resource for GCSE Geography covering key facts about volcanoes and volcanic eruptions. ... read more

Volcanoes also have a negative effect on aircraft passing over the area, as volcanic ash can get into planes' engines and cause significant damage. Pilots have also reported losing power when flying over areas of volcanic eruptions. The Hawaiian Islands. Another influence of volcanoes is the creation of islands. read more

Let us see some negative effects of volcanoes: Eruptions occurring close to human settlements may spill and destroy lives and property. People often have to be evacuated. Example: Chaparrastique volcano in El Salvador started erupting on 29 Dec, 2013. Anyone living within 2 miles of the volcano is evacuated. read more