In a volcano eruption the most serious environmental effect is the burial by ash, mud or lava. If you are caught by it you will die. After an eruption ash is every where houses, buildings and roads. If hot ash is on your house it will burn down your house down. The lava is to slow to catch people if they run fast enough. When there is a volcano eruption it produces good framing for the people. In big eruptions you have to be 25-30 km away to be safe, in a small eruption you have to be 3-5 km away. In a big eruption a lot of animals die, in the eruption of Mount San Helen 6,000 deer died. In eruptions the weather will change is could be sunny then a volcano explodes. The weather would be lighting and a thunder storm that’s how it effects is weather. The particles flying through the air are separated between negative and positive charged particles. In a volcano eruption there is like fog stuff all around in the air that stuff is called fog.

If you have been in an eruption you know that if it is raining it cleans the air well. All the animals can come back right away or it could take about 100 years for them to come back to there home. Did you know in the eruption of mount San Helen the whole top of the volcano came off? In the whole world we have 1500 volcanoes that are active. Scientist only knows of 80 volcanoes that are under water and active. The most deadly volcano is located in Indonesia. In a big eruption lave can shoot 25 miles that a long distance! There are 25 different types of volcanoes if the world the most common is strato-volcanoes. In the United States there are 186 active volcanoes. I f you where to throw a bunch of diamonds into a lava flow they would not melt; the reason way is because diamonds are formed deep in the mantel. Some of the most active volcanoes in the world are Kilcuea, Merapi, Erta Ale, Unzen and Erebus. The regions highest volcano activity is in java it is about the size of California and it has more then 20 active volcanoes. There are erupting volcanoes on mars, and they also have the biggest volcano in the whole solar system.