Transcript What is an Earthquake? - Live it, breathe it, love GEOGRAPHY

What is an Earthquake?
Y9 Geography
What is an Earthquake
• To understand how earthquakes are
measured, recorded and classified
• To evaluate the short and long term impacts
of an earthquake
Earthquakes
• http://www.youtube.com/watch?v=4Y62Ti5_6s&feature=fvsr
• An earthquake is the shaking and vibration of
the Earth's crust due to movement of the
Earth's plates (plate tectonics). Earthquakes
can happen along any type of plate boundary
How are Earthquakes Measured?
• The power of an
earthquake is measured
using a seismometer. A
seismometer detects the
vibrations caused by an
earthquake. It plots
these vibrations on a
seismograph.
• The strength of an
earthquake is measured
using the Richter scale.
Case Study: Japan 2011 Earthquake
• http://www.youtube.com/watch?v=UhkCgaYJoyI