Earthquakes

Which scale rates earthquakes based on the intensity?

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

Which scale measures the magnitude of an earthquake?

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

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

• Aftershock
• Liquefaction
• Seismic Gap
• Tsunami

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

An instrument that detects and measures earthquakes is a 

• seismogram
• focus seismic map
• focus
• seismograph 

A fracture in Earth's lithosphere along which blocks of rock move past each other

• Focus

• Fault

• Stress

• Earthquake

In which type of location is earthquake risk the greatest?

• at plate centers

• on big plates

• at plate boundaries

• on small plates

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

• Earthquake
• Epicenter
• Magnitude
• Seismogram

The magnitude of an earthquake is measured by an instrument called

• a digital scale

• a seismogram

• a seismograph

• kilogram