Science 8 - Earthquake

It is the shaking or trembling caused by the sudden release of potential or stored energy.

• Seismic waves

• Earthquake

• Fault

• Plates

It forms as a result of tension.

• Reverse fault

• Normal fault

• Strike-slip fault

It is the point directly above the focus on the surface of the Earth.

• Epicenter

• Focus

• Seismic waves

• Fault

It occurs when rock layers in the crust are squeezed together.

• Normal Fault

• Strike-slip Fault

• Reverse fault

It is the starting point of the earthquake.

(a)  

It occurs when two forces pushes the object on two opposite sides.

• Tensional stress

• Compressional stress

• Shearing stress

It is the one who studies the earthquakes and its related phenomena.

(a)  

A device that can detect and record seismic waves.

(a)  

It describes the energy released by an earthquake.

• Intensity

• Magnitude

It measures the strength of shaking produced by an earthquake at a specific location.

• Mercalli Scale

• Richter Scale

• Intensity scale