1 / 11

Why do earthquakes happen?

Why do earthquakes happen?. The two plates cannot move past each other easily. The two plates become locked, pressure builds up. Suddenly, the pressure is released and the plates move quickly. This sudden movement causes the earthquake. Epicentre and Focus. Epicentre. Focus.

hyoung
Download Presentation

Why do earthquakes happen?

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Why do earthquakes happen? The two plates cannot move past each other easily. The two plates become locked, pressure builds up. Suddenly, the pressure is released and the plates move quickly. This sudden movement causes the earthquake

  2. Epicentre and Focus Epicentre Focus seismic waves

  3. Match up the correct keyword with its meaning. Earthquakes are… Conservative margins are… Plate boundaries are… Destructive margins are… A seismograph is … The focus is…. Epicentre… ..where the earthquake begins in the crust. ..an instrument to measure earthquakes. ..a movement or tremor in the earths crust. ..where two plates move alongside each other. ..where one plate is forced below another. ..directly above the focus on the earths surface. ..a boundary between two plates.

  4. How we can limit the damage caused by earthquakes

  5. Can we predict earthquakes?

  6. Changing water level in wells Smaller tremors can be recorded by seismograph predict But noneoftheseareaccurate. The real answeris NO WE CANNOT PREDICT EARTHQUAKES animals can act strangely before the earthquake

  7. How can we plan for an earthquake?

  8. Be Prepared • Fix furniture to walls • Fire extinguishers • Know how to shut off water, gas and electricity • Be able to call the emergency services • Identify a meeting point outside of the house. • Every house should have an emergency kit

  9. What would you put in your emergency kit? • First aid kit, • Food in cans, • Sleeping bags, • Protective outer clothing, • Sturdy shoes, • Water supplies, • Torch & batteries, • Battery powered radio

  10. How could we be prepared in school? "EARTHQUAKE, DROP, COVER, HOLD!". Take cover under your desk Hold on to the legs of your desk "Please, everyone, GET BACK IN YOUR SEATS." Try to remain calm. DO NOT PANIC

  11. What would it be like to experience an earthquake?

More Related