How old is the first volcano?
The oldest volcano is probably Etna and that is about 350,000 years old. Most of the active volcanoes that we know about seem to be less than 100,000 years old. Volcanoes grow because lava or ash accumulates on the volcano, adding layers and height.
How long do volcanoes live?
Volcanoes usually have a life of many thousands of years. Once a volcano has begun to erupt, it usually takes about ten years before that particular eruption comes to an end. Sometimes the eruption lasts for hundreds of years.
What’s the worst volcano?
In 1980, the eruption of Mount St. Helens became the deadliest and most destructive volcanic event in U.S. history: 57 people died, about 200 square miles of forest was destroyed, and thousands of animals perished.
Is Volcano good or bad?
Living with volcanoes is not all bad. Volcanoes provide a wealth of natural resources in the form of building materials, hot springs, freshwater and fertile soil. However, there are more hidden aspects, which was the focus of a recent collaboration with an archaeologist.
What are the four major volcanoes?
List of Major Active Volcanoes of the World
What are the most common volcanoes?
The most common types of volcanoes, from largest to smallest, are the shield volcano, composite volcano, and cinder cone.
What are causes and effects of volcanoes?
Volcanoes can change the weather. They can cause rain, thunder and lightning. Volcanoes can also have long-term effects on the climate, making the world cooler. Fast-moving lava can kill people and falling ash can make it hard for them to breathe. They can also die from famine, fires and earthquakes which can be related to volcanoes.
What are some things about volcanoes?
The lava and ash deposited can provide nutrients for soil making it very fertile. The high level of heat and activity inside the volcano can provide geothermal energy. Volcanoes can provide valuable materials such as Zinc, Copper, Gold and Crystals.