Hazards and Disasters


How many active volcanoes are there in the world?

There are about 1,500 active volcanoes around the world. Most are located in the Ring of Fire surrounding the Pacific Ocean. About one-tenth of the world’s active volcanoes are located in the United States. A volcano is considered active if it has erupted in the last 10,000 years.


This is a web preview of the "The Handy Geography Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App