Active volcanoes pose many dangers to life and property. Some risks, like the huge lava flows and explosive blasts associated with volcanic eruptions spectacular headline-grabbers, recognized by all. Others, like glowing avalanches and ash falls, are much less bright and less well-known to the public, but they can be just as deadly. After a few hazards such as landslides and debris flows may occur even in the absence of eruptions.
Flows of lava sheets and languages liquid rock was expelled from the corona or flank eruption of effusively, and probably the most famous volcanic hazards. They ...