Admin Table of Contents
What type of volcano has the most explosive eruptions?
Stratovolcanoes are considered the most violent. Mount St. Helens, in Washington state, is a stratovolcano that erupted on May 18, 1980.
What makes a volcano more explosive?
A volcano’s explosiveness depends on the composition of the magma (molten rock) and how readily gas can escape from it. As magma rises and pressure is released, gas bubbles (mainly of water vapor and carbon dioxide) form and expand rapidly, causing explosions.
What volcano is the least explosive?
The least explosive type of volcano is called a basalt plateau. These volcanoes produce a very fluid basaltic magma with horizontal flows. The form of these volcanoes is flat to gently sloping and they can occupy an area from 100,000 to 1,000,000 square kilometers.
Which volcanoes are most likely to explode and why?
Composite volcanoes are some of the most dangerous volcanoes on the planet. They tend to occur along oceanic-to-oceanic or oceanic-to-continental boundaries because of subduction zones. They tend to be made of felsic to intermediate rock and the viscosity of the lava means that eruptions tend to be explosive.
Where are the most explosive volcanoes?
Subduction Zone Volcanism Most explosive eruptions occur in volcanoes above subduction zones, where one tectonic plate dives beneath the other. Eighty to 120 kilometers below the surface, magma forms when the rocks of the mantle melt just above the subducting plate.
What is the most violent supervolcano also called?
Campi Flegrei is an 18-mile-wide volcanic area, giving it the title of “supervolcano,” with a history of recent, large, explosive eruptions. It’s located partially beneath the Bay of Naples, extremely close to an area that is populated with more than 6 million people.
Which volcanoes are most likely to explode and why Strato or shield?
Composite volcanoes Andesitic magma, which is lower in temperature, has more silica and a lot of dissolved gases and is more likely to explode when it reaches the surface.
What are the 5 most dangerous volcanoes?
1) Mount Vesuvius. 2) Stromboli. 3) Santa Maria. 4) Mount Etna. 5) Mount Yasur.
What is the most dangerous volcano on Earth?
The top most dangerous volcano on our list of active volcanoes is the Yellowstone Caldera. The national park’s active volcanic caldera welcomes nearly three million visitors per year. Its hot springs and geysers are beautiful to behold, but they are also potentially deadly. Yellowstone is a supervolcano.
What are the top 10 volcanoes?
Top 10 Stunning Volcanoes Around the World 10. Mount Teide , Tenerife , Canary Islands , Spain 9. Mount Etna , Catania, Sicily, Italy 8. Sakurajima , Kyushu , Japan 7. Whakaari/White Island, Bay of Plenty, New Zealand 6. Mount Kilimanjaro , Kilimanjaro National Park , Tanzania 5. Kelimutu Volcano, Flores Island, Indonesia
Which volcanic eruptions were the deadliest?
The Deadliest Volcanic Eruption in History. It killed 100,000 people in the direct impact. But it led to tens of millions more deaths later. It killed 100,000 people in the direct impact. But it led to tens of millions more deaths later. In 1815, Mount Tambora erupted on Sumbawa , an island of modern-day Indonesia.