29.1.1. Richter Magnitude Scale (Local Magnitude, ML)

Try these first

1. 1.

   What does the Richter Scale measure?

   Hint

   Think about the impact of seismic waves.

2. 2.

   Who developed the Richter Scale?

   Hint

   Look for the historical context of the scale.

3. 3.

   What is the primary measurement of the Richter Scale?

   • Energy released
   • Duration of shaking
   • Distance from epicenter

   Hint

   Think about what the scale aims to quantify.

4. 4.

   True or False: The Richter Scale can measure any size earthquake equally well.

   • True
   • False

   Hint

   Consider the limitations discussed previously.

5. 5.

   If an earthquake produces an amplitude of 1000 micrometers, what would the Richter magnitude be?

   Hint

   Assume a standard value for the distance effect if not given.

6. 6.

   Explain how engineers might respond differently to a 5.0 vs. a 7.0 on the Richter scale when designing buildings in earthquake-prone areas.

   Hint

   Think about the implications of higher magnitudes on structural design.