2.2 Landslides, earthquakes and tsunamis

1. Landslides involve the movement of a mass of rock or sections of Earth's crust under the force of gravity.
2. Torrential rain, earthquake, human activity.
3. Roads and railways, de-vegetation, man-made hills.
4. the movement of tectonic plates to release stress, a rector scale, highest = 10.
5. inter plate tension
6. every 15 months. in the middle of a plate.
7. 13 people killed, more than 120 people injured.
8. Earthquakes are bigger, effect more people.
9. a wave caused by the movement of the Earth's crust.
10. Earthquakes, Landslide, volcano.
11. when an earthquake force land under water upwards causing large waves.
12. water going out into the ocean rapidly, hear or feel an earthquake and a loud roar.
13. an undersea earthquake measuring 9.3 occurred.
14. 23, it took 20 minutes
15. as waves near land they slow to about 45kph, they squeeze upwards, getting taller.
16. they created the tsunami warning system
17. a Wollongong university geoscience professor, be prepared for a tsunami which will come soon becuase every 500 or so years a tsunami occurs in the apline fault line.
18.
a. 95 E, 5 N.
b.
i.India: 2hours
ii. Africa: 7 hours
iii. Australia: 5 hours
iv. Tasmania: 9.5 hours