Unit 1

What is a break in the lithosphere along which movement in an earthquake has first occurred?

• Earthquake
• Epicenter
• Fault
• Focus

Where is the point at which the first movement occurs during an earthquake?

• Epicenter
• Focus
• Fault
• Plate

Where is the point on the Earth’s surface directly above the focus of an earthquake?

• Epicenter
• Fault
• Hypocenter
• Tremor

What is the measure of the amount of energy released in an earthquake?

• Earthquake
• Epicenter
• Magnitude
• Seismogram

What is the temporary state in which loose soil and rock materials take on the property of a liquid?

• Aftershock
• Liquefaction
• Seismic Gap
• Tsunami

What is a smaller earthquake that follows a larger earthquake?

• Aftershock
• Liquefaction
• Seismic Gap
• Tsunami

What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?

• Aftershock
• Liquefaction
• Seismic Gap
• Tsunami

An earthquake scored high on the Richter scale but low on the Mercalli scale. Why?

• it probably happened in an area with no people
• it was a fast earthquake
• because it damaged a lot
• impossible to tell

What was the magnitude of the Japan earthquake of 2011?

• 8

• 9

• 10

• 7

What kind of boundary caused the Japan earthquake?

• Subduction

• Conservative

• Constructive

• Collision