How long can aftershocks continue after the mainshock?

• Days

• Weeks, months, and even years

• Hours

• Minutes

What type of fault is described as an inclined fracture where the rock mass above moves down?

• Strike-slip fault

• Normal (dip-slip) fault

• Reverse fault

• Transform fault

What is the term for the smaller earthquakes that happen before the mainshock?

• Aftershocks

• Foreshocks

• Mainshocks

• Epicenters

What is the term for the surface where two blocks of the earth slip past one another?

• Hypocenter

• Fault plane

• Epicenter

• Aftershock

What is the term for the location below the earth’s surface where the earthquake starts?

• Epicenter

• Hypocenter

• Fault plane

• Foreshock

What is the Earth's crust compared to in the text?

• A solid rock

• A thin skin

• A thick blanket

• A liquid layer

What causes most earthquakes around the world?

• Movement of water

• Movement of tectonic plates

• Movement of air

• Movement of animals

What is the outer core of the Earth made of?

• Solid rock

• Liquid metal

• Water

• Air

What is the inner core of the Earth made of?

• Solid metal

• Liquid rock

• Water

• Air

What is the Earth's crust made of?

• Solid rock

• Liquid metal

• Water

• Air