EARTHQUAKE IMPACTS

Question 1

Facts about Haiti Earthquake 2010
Ground Shaking

Answer 1

Magnitude of 7 on the Mercalli Intensity Scale
Over a million people made homeless
Focus was only 8 miles below surface
Epicentre was only 15 miles west of Port au Prince.
Death toll 100,000-300,000 estimate

Question 2

Nepal Earthquake, April 2015
Mass Movement

Answer 2

An example of a mass movements.
Magnitude of 7.8 with a focus of 9 miles below the surface. Epicentre was 50 miles north west of Kathmandu
Death toll was 9000

Question 3

Liquefaction: Christchurch , New Zealand - February 2011

Answer 3

Magnitude of 6.3 and aftershock 7.1 on Richter scale
185 people killed. Total economic cost was 40 billion dollars
Liquefaction was a noteworthy feature. Destroyed houses built on soft , sandy soils

Question 4

Tsunami: Japan, March 2011

Answer 4

Magnitude of 9- Megathrust Earthquake A megathrust earthquake is a very large earthquake that occurs in a subduction zone, a region where one of the earth’s tectonic plates is thrust under another.
Focus was 18 miles below sea floor
Shifted the Sea Bed VERTICALLY by 8 metres
Waves produced were a peak height of 40 m and reached inland more than 6 miles.
Tsumani killed 20,000 people. Cost of damage estimated at US 360 Billion dollars.
Nuclear reactor went in to melt down in Fukusheima