Year 9 - Natural Hazards 9.4

What is an epicenter? 

• Where an earthquake started
• The surface right above where an earthquake started 

An instrument that detects and measures earthquakes is a 

• seismogram
• focus seismic map
• focus
• seismograph 

Most earthquakes happen along the _________________. 

• coast
• faults
• desert
• directions

Earthquakes under the water can cause _________________________________.

• tornadoes
• tsunamis
• lightening
• hailstorms

Which scale measures the intensity of the ground movement?

• Mercalli Scale
• Richter Scale
• Seismogram Scale
• Bernoulli Scale

What is a smaller earthquake that follows a larger earthquake?

• Aftershock
• Liquefaction
• Seismic Gap
• Tsunami

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

• Epicenter
• Focus
• Fault
• Plate

The outside layer of the earth is called ______________________.

• core
• crust
• mantle
• outer core

The huge pieces of the earth's crust are called ____________________________. 

• crust
• plates
• directions
• seismos

What are the puzzle pieces of the Earth's surface called?

• Tectonic plates
• Puzzles
• Earthquakes