Earthquakes
By Donny Qualters
What is an earthquake?
 An earthquake is used to describe a sudden slip on
a fault, and as a result the ground shaking an...
What causes earthquakes?
 Earthquakes are caused when tectonic plates
move past each other causing stress.
How do earthquakes form?
 Earthquakes are formed by the
movement of the Earth's plates. When a
plate squeezes or stretche...
Parts of an earthquake
 The two major parts of an earthquake are
the epicenter and the focus
 Focus – The point inside t...
Most destructive Earthquake
 The Great San Francisco Earthquake of
1906 was the most destructive earthquake
as it caused ...
How are earthquakes
measured?
 Earthquakes are measured by the Richter
scale
Question
 What causes earthquakes?
A- The epicenter and the focus
B- The mantle
C- When tectonic plates move past each
ot...
Question
 What was the most destructive
earthquake?
A- The Great San Francisco Earthquake
B- The Haiti earthquake
C- Chil...
Question
 How are earthquakes measured?
A- Richter scale
B- Mercalli scale
C- Interval scale
The End
 Thanks for watching!
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Earthquakes

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Earthquakes

  1. 1. Earthquakes By Donny Qualters
  2. 2. What is an earthquake?  An earthquake is used to describe a sudden slip on a fault, and as a result the ground shaking and radiating seismic energy caused by the slip  Caused by volcanic activity,  Caused by other sudden stress changes in the earth.
  3. 3. What causes earthquakes?  Earthquakes are caused when tectonic plates move past each other causing stress.
  4. 4. How do earthquakes form?  Earthquakes are formed by the movement of the Earth's plates. When a plate squeezes or stretches too much, huge rocks are formed at the edges, and these rocks can move with a lot of force, which causes an earthquake.
  5. 5. Parts of an earthquake  The two major parts of an earthquake are the epicenter and the focus  Focus – The point inside the Earth where an earthquake begins  Epicenter – The point on Earth’s surface above the focus
  6. 6. Most destructive Earthquake  The Great San Francisco Earthquake of 1906 was the most destructive earthquake as it caused $524 million in damage and killed 3,000 people.
  7. 7. How are earthquakes measured?  Earthquakes are measured by the Richter scale
  8. 8. Question  What causes earthquakes? A- The epicenter and the focus B- The mantle C- When tectonic plates move past each other causing stress.
  9. 9. Question  What was the most destructive earthquake? A- The Great San Francisco Earthquake B- The Haiti earthquake C- Chile Earthquake
  10. 10. Question  How are earthquakes measured? A- Richter scale B- Mercalli scale C- Interval scale
  11. 11. The End  Thanks for watching!
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