What temperature can lava reach at its hottest?

Which volcanic eruption in 1883 was so loud that it was heard 3,000 miles away and circled the Earth four times?

What is the most active volcano in the world, with over 50 recorded eruptions since 1774?

Which ancient Roman city was preserved by the eruption of Mount Vesuvius in 79 AD?

What year did Mount St. Helens have its catastrophic eruption in Washington State?

How many active volcanoes are currently on Earth?

Which volcanic eruption in 1815 caused 'The Year Without a Summer'?

What percentage of the world's active volcanoes are found in the 'Ring of Fire'?

Which volcano in Antarctica constantly spews crystals called 'Erebus crystals'?

What is the largest active volcano on Earth?

Which type of volcano is known as a 'gentle giant' due to its fluid lava flows?

In what year did Italy's Mount Etna become a UNESCO World Heritage site?

How fast can volcanic mudflows (lahars) travel?

Which supervolcano's caldera forms much of Yellowstone National Park?

What is the approximate temperature of the Earth's inner core?

Which volcano created a new island off Japan in 2013?

What height did the ash plume reach during the 1991 Mount Pinatubo eruption?

How many people died in the 79 AD eruption of Mount Vesuvius?

What percentage of Earth's volcanoes are found underwater?

Which volcano's 1783 eruption killed 20% of Iceland's population?