Volcano Info Sheet
WGS Volcano Hazards Brochure
Guidelines For Ash fall
Health Hazards For Volcanic Ash
How To Protect Yourself From Breathing Ash
A volcano is a vent in the Earth’s crust that allows molten rock, gases, and debris to escape to the surface. Over time, accumulation of these erupted products creates a volcanic mountain. A volcanic eruption may involve lava and other debris that can flow up to 100 mph, destroying everything in their path. Volcanic ash can travel 100s of miles and cause severe health problems. A volcanic eruption can:
Washington has five major volcanoes - Mount Baker, Glacier Peak, Mount Rainer, Mount St. Helens and Mount Adams.
Volcanoes lie dormant for many years but research and past activity shows that these volcanoes will erupt again.