- http://video.nationalgeographic.com.au/video/101-videos/earthquake-101?source=relatedvideo
- http://environment.nationalgeographic.com.au/environment/natural-disasters/
- http://environment.nationalgeographic.com.au/environment/natural-disasters/hurricane-profile/
- http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/hurr/stages/td.rxml
- http://news.bbc.co.uk/cbbcnews/hi/find_out/guides/tech/extreme_weather/newsid_2296000/2296961.stm
- http://video.nationalgeographic.com.au/video/101-videos/tsunami-101
- http://video.nationalgeographic.com.au/video/101-videos/hurricanes-101
- http://environment.nationalgeographic.com.au/environment/natural-disasters/tsunami-profile/
- http://environment.nationalgeographic.com.au/environment/natural-disasters/earthquake-profile/
- http://www.ga.gov.au/scientific-topics/hazards/earthquake/basics/what
- https://en.wikipedia.org/wiki/Fault_(geology)
- http://www.geo.mtu.edu/UPSeis/magnitude.html
- http://www.gns.cri.nz/Home/Learning/Science-Topics/Earthquakes/Earthquakes-at-a-Plate-Boundary/Tectonic-Plates-and-Plate-Boundaries