Volcanoes

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Do you want to know about volcano? Read the articles about volcano: parts, types, activity and eruptions according to National Geographic. Are you excited to learn about the 300 volcanoes around the Philippines? Then it's time for you to browse PHIVOLCS sites!

Volcano - Secondary damageProperty damage from volcanic eruptions is difficult to estimate, because of differing value systems and changes in land use. One study estimates an average of $1 billion per year in property damage worldwide from volcanic eruptions. As with casualties, a few eruptions cause staggering damage, while most are much less destructive. The Mount St. Helens eruption in 1980 caused more than $1 billion worth of damage, mainly to the timber industry. The economic cost of the 1991 eruption of Mount Pinatubo in the Philippines was estimated at $7 billion, though it is likely that losses continued to mount for years

VolcanoAccording to the United States Geologic Survey, there are approximately 1,500 potentially active volcanoes worldwide. Most are located around the Pacific Ocean in what is commonly called the Ring of Fire. A volcano is defined as an opening in the Earth's crust through which lava, ash, and gases erupt. The term also includes the cone-shaped landform built by repeated eruptions over time. Teach your students about volcanoes with this collection of engaging material.

Volcanoes of the PhilippinesThe Philippine Institute of Volcanology and Seismology classifies volcanoes according to its eruptive history  Active VolcanoesErupted within historical times (within the last 600 years), accounts of these eruptions were documented by man erupted within the last 10,000 years base...

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