Chapter 8 Earthquakes and Earth Structures Review

Front

What is the point on Earth’s surface directly above the initial rupture point (focus) of an earthquake?

Back

Epicenter

Front

What is a three-dimensional zone of earthquake foci within and along the upper portion of a subducting plate?

Back

Benioff zone

Front

What is the term for the initial rupture point of an earthquake, typically located below Earth’s surface?

Back

Focus

Front

What instrument is used to measure the ground motion of earthquakes?

Back

Seismograph

Front

What layer of the Earth is located beneath the crust and above the outer core?

Back

Mantle

Front

What is the term for the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere?

Back

Earthquake

Front

What scale is used to measure the intensity of an earthquake based on its effects on people and structures?

Back

Mercalli scale

Front

What is the name of the boundary where two tectonic plates meet?

Back

Plate boundary

Front

What type of plate boundary occurs when two plates slide past each other?

Back

Transform boundary

Front

What is the term for the process by which one tectonic plate moves under another?

Back

Subduction