Sometimes lava touches the water. It can turn the water into acid.
When lava touches houses it can start a fire outside of the houses.
A volcano can make mud flows. Mud flows are thick sticky mud made by snow and ice melting.
When done erupting the weather can change, heavy rains, strong winds and mud flows occur.
Clouds blow down volcanic ash into the air and it makes it hFarder to breath.
Volcanoes may produce choking clouds of steam and poisonous gases.
Lava streams or lava steam can burn, bury or flatten anything and anyone in their path.
Volcanoes sometimes can make earthquakes.
When a volcano erupts it can cover a whole town in ash.
When a volcano erupts it can cause red sunsets, and block the sun's rays.
Sometimes tidal waves from a volcano can kill people.
Acid rain is made of ash that can burn people.
Heat from inside the earth seeps out slowly through cracks in the surface and you can use the heat for power. This is called geothermal power.
When volcanoes erupt in the water they make land. When thousands of eruptions underwater built up they emerged as the Hawaiian Islands.
Some farmers grow crops near volcanoes because the soil is good there. Ash from the volcano makes the dirt richer. Special plants can grow on a volcano. Did you know that sedge and other grasses and products can grow through the crust of ash?
Some small animals survive under the ash and snow packs. Scientists also found many tiny living things.