Earthquakes and Faults

Definition, Cause and Anatomy

Science DepartmentCorpus Christi School

Short Review

- is the result of a sudden release of energy in the Earth's crust that creates a sudden and violent shaking of the ground, sometimes causing great destruction

What is an Earthquake?

As the plates move against each other they put forces on themselves and each other. When the force is large enough, the crust is forced to break . When the break occurs, the stress is released as energy which moves through the earth in the form of waves.

What causes an Earthquake?

- a crack in the earth's crust resulting from the displacement of one side with respect to the other

What are Faults?

San Andreas Fault

Types of Fault

Strike Slip

Dip Slip - ReverseDip Slip - Normal

Oblique Slip

Dip Slip - Normal

Dip Slip - Reverse

Strike Slip

Oblique Slip

How are earthquakes produced?

Bring the following:- Used cardboards or folders

- Scotch tape or Masking Tape

- Pair of Scissors- Pencil- Glue and Art paper (optional)

Assignment