Magnitude and Intensity Questions

• Answer the following questions on a separate sheet of paper.
• Answer the questions using complete sentences – any answers not in complete
sentences will get no credit.
• Answers are due THURSDAY!!!
• Part 1 = C; Parts 1 & 2 = B; Parts 1, 2, & 3 = A
Part 1 – These answers can be found directly in the reading, and go in order in the
reading. Answer them using complete sentences!!
1. What are two ways geologists measure an earthquake?
2. What does the Richter scale measure?
3. What does the Richter scale enable people to do?
4. How is magnitude determined?
5. What does each increase in magnitude on the Richter scale represent?
6. What does the word "intensity" describe?
7. What are six factors that affect intensity?
8. What is felt during an earthquake with an intensity of V?
Part 2 - Answer these questions using COMPLETE SENTENCES!!
1. Describe the circumstances for an earthquake with a high magnitude and low
intensity.
2. Describe the circumstances for an earthquake with a low magnitude and high
intensity.
3. Recall the earthquakes in Kobe, Japan and Northridge, California. Tell what the
differences were in the intensities of these earthquakes.
4. Approximately how many earthquakes occur each year that have a magnitude in
the range of 3 - 4.9?
5. Why was the magnitude of the earthquake in Alaska changed?
Part 3 - Write three scenarios in which you are in your house doing homework.
Describe what you would experience during earthquakes with the intensities of III,
VI, and IX. Tell what happens in your house, and what you feel and do.