What would happen if Mount Saint Helen erupted again?

"Probably the most important lesson" from Mount St. Helens is that volcanoes can rumble back to life and erupt in short periods of time, he said. "These volcanoes—at the risk of anthropomorphizing a little bit—can be kind of sneaky." Mount St. read more

Volcanoes such as Mount St. Helens in Washington state generate a wide variety of phenomena that can alter the earth's surface and atmosphere, endangering people, wildlife, and property. These volcanic dangers include not only an eruption of a mountain and associated lava flows but also ash fall and debris flows. read more

Mt. St. Helens awoke from an 18-year slumber roughly 10 years ago. Now, scientists are saying it looks like Mt. St. Helens 'is getting ready to erupt again and it can happen in the order of years to decades.' read more

After the 1980 eruption, the volcano started to erupt again in 2004 but it fell silent in July 2008. Nonetheless, Mount St. Helens is still considered a high risk volcano and is closely monitored by the U.S. Geological Survey. read more