What are Jökulhlaups?

What is social vulnerability?

What type of hazard is flooding?

Do hotspots move with the overlying crust?

What are hotspots?

Who proposed plate tectonic theory and when?

What is plate tectonic theory?

How are mega disasters classed?

What index considers measures of exposure, susceptibility, coping capacity and adaptive capacity?

What word describes the changing of direction of the Earth's magnetic field?