boxing day tsunami
- Created by: tami.atkinson
- Created on: 13-01-16 18:36
View mindmap
- Boxing Day Tsunami 2004
- Where?
- 150 miles from sumatra
- 30 kilometer focus - shallow
- eurasian and australian plate
- enery disapates are waves through the water
- little public education about tsunamis
- impacts
- 3/4 of its victims died in sumatra
- no tsunami warning system in the indian ocean
- pacific tsunami warning centre
- no tsunami warning system in the indian ocean
- 1 meter squared of water weighs 1 tonne - force
- 20% of coral reefs destroyed
- 30000 hectares of land has long term soil damage
- fisheries buildings and bridges destroyed
- 1,000,000+ killed
- 3/4 of its victims died in sumatra
- out at sea versus in land
- out at sea
- low amplitude
- 200m wave length
- 500-900km/h
- 200m wave length
- low amplitude
- inland
- out at sea
- formation: earthquake triggers tsunami - quake causes sea bed to move - movement displaces water above - waves radiate out from epicentre - waves travel at high speeds- as water gets shallower the waves compress concentrating their energy, waves slow and draw back. wave hits but only travels a short distance inland
- Where?
- high amplitude up to 30m
- 20 meter wave length
- 80km/h
- wave train
- 80km/h
- 20 meter wave length
Comments
No comments have yet been made