Preparing for a Volcanic Eruption: The Complete Family Survival Guide
Most people fear lava when they think about volcanoes. Lava kills almost no one — it moves at 5 mph and you can walk away from it. The real killers are pyroclastic flows (700°C gas clouds moving at 450 mph), volcanic ash (which collapses roofs and destroys engines), toxic gas emissions, and lahars (volcanic mudflows …