Volcanology Trivia Page - 2

What common igneous rock, often dark-colored and fine-grained, is formed from the rapid cooling of basaltic lava?

What devastating volcanic hazard is a rapidly flowing mixture of volcanic debris and water, often triggered by melting snow or heavy rainfall?

What hollow tunnels are formed when the outer surface of a lava flow solidifies, but the interior molten lava continues to flow?

Which volcano, located on an island north of Sicily, is one of the most active in the world and has been erupting almost continuously for over 2,000 years, earning it the nickname 'Lighthouse of the Mediterranean'?