Magnitude of Earthquakes

Front

Another word for an earthquake's strength.

Back

Magnitude

Front

What is the science in which earthquakes are studied?

Back

Seismology

Front

The Richter scale is used to measure the energy released during the event of an earthquake. Since the Richter scale is exponential, each whole number increase correlates to...

Back

32 times more energy released

Front

This scale is used to identify the magnitude of an earthquake and is a logarithmic scale.

Back

Richter Scale

Front

When reading a seismograph and determining where it falls on the Richter Scale, seismologists use the _____ to determine the magnitude of the earthquake. Options: Wavelength, Amplitude, Frequency, Period.

Back

Amplitude

Front

When we measure the magnitude of an earthquake, which scale should we use? Options: Richter scale, Earthquake scale, Mercalli scale, Body-wave magnitude scales

Back

Richter scale

Front

When we measure the intensity of an earthquake, which scale should we use? Options: Richter scale, Earthquake scale, Mercalli scale, Body-wave magnitude scales

Back

Mercalli scale

Front

This scale is based on how individuals perceive the effects of an earthquake...

Back

The Mercalli scale

Front

When we measure the damage of an earthquake, which scale should we use? Options: Richter scale, Earthquake scale, Mercalli scale, Body-wave magnitude scales

Back

Mercalli scale

Front

Why are earthquakes common in areas like California and Japan?

Back

Both areas are on the boundary of active plates, the motion of the plates causes earthquakes.