A spotlight on: Earthquakes. Initial Thoughts What is an earthquake? What happens during an earthquake? Have you or anyone you know have any experiences.

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Presentation transcript:

A spotlight on: Earthquakes

Initial Thoughts What is an earthquake? What happens during an earthquake? Have you or anyone you know have any experiences with earthquakes? What should you do during an earthquake?

Breaking it down…. Causes Where they occur Famous cases Safety

Causes Fault lines occur where the earth’s plates move, creating a lot of pressure and friction. This is similar to the pressure and friction when you rub your hands together The movement of the earth on these fault lines causes the earth to shake

Where they occur Red is where they are most likely to occur White is where they are least likely to occur (but it is still possible) Yellow, Blue and Green are in the middle

Fast Finger! Is an earthquake more likely to occur in: A)California B)Texas C)Earthquakes never occur in California or Texas

Famous Cases Loma Prieta Earthquake in San Francisco and Monterey Bay Areas in California 7.1 on Richter Scale- very high! San Francisco Earthquake in San Francisco, California 7.7 to 8.25 on Richter scale

Safety What should you do during an earthquake? Stay Calm If you are inside, find a large, steady structure to hide under If you are outside, stay away from any structures. Look for open areas where things can’t fall Don’t take elevators What other things should you do and not do?

Fast Finger! The scale used to measure earthquakes is called the: A) Donner Scale B) Rigid Scale C) Earthquake Scale D) Richter Scale

Conclusion On a blank sheet of paper, write down: 3 things you didn’t know 2 things that you already knew 1 question you have

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