Before the 20th century, people did not know that the continents moved around the planet. Continental drift is such a slow process that you can't see land masses shift with the naked eye. Because the continents never stop moving, however, the world map you know today will not look the same in the distant future.| Sciencing
Sciencing offers informative articles, instructional guides, and cutting-edge answers to pressing questions about science, engineering, and mathematics.| Sciencing
Mount St. Helens is an active volcano located in southern Washington state. Its most famous eruption on May 18, 1980, killed 57 people, destroyed 250 homes, and caused billions of dollars worth of damage. It was the most destructive volcanic event in American history. Fortunately, however, there was a great deal of activity in the months before the eruption. Nearby communities, as well as the rest of the nation, had plenty of warning that a major eruption was coming.| Sciencing
Volcanoes are one of nature's most destructive forces. However, volcanoes are also one of nature's chief constructive forces. Volcanic eruptions are responsible for creating new crust and geological landforms. The specific results of a volcanic eruption differ widely; each volcano type has a distinct eruptive nature.| Sciencing
While volcanoes can be frightening, supervolcanoes are even scarier. These five supervolcanoes are proof of that, having drastically altered Earth in the past.| Sciencing
Mount Vesuvius may be Europe's most famous volcano, but lurking nearby is an ancient supervolcano, a ticking timebomb that could cause massive destruction.| Sciencing
Yellowstone is a beloved natural wonder, but beneath that beautiful exterior, the park houses a scary secret. In fact, it even has a surprisingly violent past.| Sciencing
Last time Yellowstone's supervolcano erupted, it changed global weather patterns and permanently altered the landscape around it.| Sciencing
Sciencing offers informative articles, instructional guides, and cutting-edge answers to pressing questions about science, engineering, and mathematics.| Sciencing
