A level Geography Tectonic activity and hazards – ppt download Standard http://slideplayer.com/slide/6965720/
Edexcel AS/A-level Geography Student Guide 1: Tectonic Processes and Hazards … – Cameron Dunn – Google Books Standard https://books.google.co.uk/books?id=T4kkDAAAQBAJ&printsec=frontcover&dq=edexcel+a+level+geography&hl=en&sa=X&ved=0ahUKEwjcsvjZ9rrZAhXSL1AKHSBWD_UQ6AEIRDAF#v=onepage&q=Areal%20extent%20of%20hazard&f=false
Hazards and disasters – risk assessment and response – THE GEOGRAPHER ONLINE Standard https://www.thegeographeronline.net/hazards-and-disasters—risk-assessment-and-response.html
Glossary of geography terms – Wikipedia Standard https://en.m.wikipedia.org/wiki/Glossary_of_geography_terms
Greenfieldgeography – Earthquakes and Volcanoes Standard http://greenfieldgeography.wikispaces.com/Earthquakes+and+Volcanoes
