THE earths surface is made of big pieces called plates . 

sometimes these plates get stuck then start to move and that is what makes the ground start to shake 

What is  FAULT ?

fault is a crack in the earth .

earthquakes happen when rocks move along a fault     

what is focus ?

deep underground is focus this is the spot where the earthquakes starts  

 Seismic waves 

Earthquakes send out energy called seismic waves 

these waves travel through the ground and make it shake 

 scientists used tool called seismograph it helps them see the measure the earthquakes 

magnitude Richter scale 

 earthquakes are mesured by how strong they are this is called magnitude and its shown on theseismograph

the epicenter is the place on earths surface right above where the earthquake starts 

Prep before the earthquake 

before an earthquake have an emergency kit full of water portable changers food and blankets depending on how long the earthquake is Don't go by any windows .

during an earthquake  drop and cover your head face down feet crossed over .

And now u know everything there is to know about earthquakes to be safe .

 THE END .