Some Intro's

First up this little power-point simply shows what makes something hazardous or not - http://www.slideshare.net/geographyalltheway/ib-geography-2011-new-syllabus-hazards

And if that wasn't enough this is a great website giving information out about Tectonic Events and much more - http://www.s-cool.co.uk/a-level/geography/natural-hazards/revise-it/natural-hazards