Study Quiz: Earthquakes

The ______ rates earthquakes according to the level of damage at any given place.

• Mercalli Scale

• Richter Scale

• Seismograph

• Moment Magnitude Scale

The ______ is a rating of an earthquake's magnitude based only on the size of its seismic waves.

• Mercalli Scale

• Richter Scale

• Seismograph

• Moment Magnitude Scale

The ______ is can only accurately measure small, nearby earthquakes.

• Mercalli Scale

• Richter Scale

• Seismograph

• Moment Magnitude Scale

The ______ is a rating system that estimates the total energy released by an earthquake. It includes seismograph data and inferences about plate tectonics.

• Mercalli Scale

• Richter Scale

• Seismograph

• Moment Magnitude Scale

The ______ can be used to accurately rate earthquakes of all sizes, near and far.

• Mercalli Scale

• Richter Scale

• Seismograph

• Moment Magnitude Scale

Which scale(s) below are used to measure the magnitude of an earthquake? Select all that apply.

• Mercalli Scale

• Richter Scale

• Seismograph

• Moment Magnitude Scale

The same earthquake can have a different rating when measured at different locations using the ______.

• Mercalli Scale

• Richter Scale

• Seismograph

• Moment Magnitude Scale

What do geologists measure to determine the distance from a seismograph to an epicenter?

• P wave

• Seismic waves

• S wave

• P wave & S wave

• Difference between P wave & S wave

How many circles are required to determine the location of an earthquakes epicenter?

• 1

• 2

• 3

• 4

______ times less energy is released during a magnitude 7 earthquake than a magnitude 8 earthquake?