Glencoesci blue ch8.1

What is the cause of the vibrations felt during an earthquake?

• rocks breaking under pressure

• elastic rebound

• rocks breaking under pressure

• all of the above

What dictates the type of fault formed when a surface breaks?

• the way in which the forces are applied to a rock

• the weather conditions at the time of the faulting

• the type of soil involved at the location of the fault

• the current barometric pressure

What kind of forces cause normal faults?

• gravity

• inertia

• tension forces

• compression forces

Compression forces cause __________ faults.

• slip

• reverse

• normal

• tension

How are strike-slip faults formed?

• Shear forces form them.

• Slip forces form them.

• Gravitational forces form them.

• Strike forces form them.

What kind of waves do earthquakes transmit?

• sound waves

• tidal waves

• seismic waves

• air waves

Which form of energy is transformed into seismic waves during an earthquake?

• potential energy

• kinetic energy

• radiation

• fusion

What is the point on Earth's surface where an earthquake's energy is received?

• epicenter

• focus

• center

• equator

From where do seismic waves originate?

• epicenter

• center

• equator

• focus

Which waves cause the most damage during an earthquake?

• ones that travel deep within Earth

• ones that travel perpendicular to the mantle

• ones that travel along the surface

• ones that only travel downward