What is the largest volcano in the solar system?
Which is the most active volcano in the world?
What is an extinct volcano?
Which country has the most volcanoes?
Which scale is used to measure the strength of an earthquake?
What causes most earthquakes?
What is the area around the Pacific Ocean with many earthquakes called?
What is the study of earthquakes called?
Which continent has the least number of earthquakes?
Which disaster involves the shifting of tectonic plates?