Nature of Earthquakes

No laughing matter

Tension

• Tension is the stretching of rock

• In other words rock is being pulled apart

Compression

• Compression pushes rock together

in a more better way of understanding think of pressing two pieces of biscuits together hard

Shearing

• Shearing causes masses to slip

• so think of the Earth’s crust slipping and imagine the seismic wave

• To inform you there are two or more waves

• p and s

Fault

• In a normal fault ,the hanging wall slips down

• Click here to see video

Reverse Fault

• In a reverse hanging wall moves up

• click here to see reverse fault

Strike- slip fault

• Rock on either side of a strike- slip fault slips pass each other

Anticlines

• Which arch upward

Synclines

• Synclines which dip downward

Plateau

• A plateau is s large area of flat elevated land

Stress

• Stress force pushes, pulls, and twists the rock in the Earth’s

Authors

• By Anthony Woodlief and Kentrell French