SES4U0
Earthquakes
Earthquake –
Types of Stress
Stress-Strain Curve
Faults
Fault –
Reverse fault
Example: Label each fault type
Normal fault
Strike-Slip fault
SES4U0
Seismic Waves
Seismic waves –
Material Able
to Travel
Through
Speed
Significance

P-waves slow down at the mantle core boundary, so we know the outer core is less rigid
than the mantle.

S-waves disappear at the mantle core boundary, so the outer core is liquid.