Unit 5 Earthquake Quiz #1

What scale was used before the moment magnitude scale?

• Magnitude scale

• Intensity scale

• Seismic scale

• Richter scale

In what year was the Richter scale replaced by the moment magnitude scale?

• 1985

• 1960

• 1979

• 2000

How does the moment magnitude scale differ from the Richter scale in terms of calculation?

• It multiplies units of energy as magnitude increases

• It subtracts units of energy as magnitude increases

• It adds units of energy as magnitude increases

• It divides units of energy as magnitude increases

What is the energy release difference between magnitude 1 and magnitude 4 earthquakes on the moment magnitude scale?

• 10,000 times more

• 40 units more

• 1,000 times more

• 100 times more

How often do magnitude 7 earthquakes occur?

• Once a decade

• Once a year

• Once a month

• Once a week

Tags

NGSS.HS-ESS3-1

What magnitude was the earthquake that hit Chile in 1960?

• 9.1

• 9.3

• 10.0

• 9.5

What amount of energy did the nuclear bomb dropped on Hiroshima release compared to earthquakes?

• Magnitude 5

• Magnitude 7

• Magnitude 6

• Magnitude 6.5

How are magnitude 1 and 2 earthquakes generally perceived by people?

• Slightly felt

• Can't be felt

• Causes damage

• Clearly felt

What is the estimated magnitude of the 2004 earthquake that created a tsunami in the Indian Ocean?

• Exactly 9.0

• Between 9.1 and 9.3

• Between 8.5 and 9.0

• Between 9.5 and 10.0

Tags

NGSS.HS-ESS1-5

What is the energy release pattern on the moment magnitude scale?

• Decrease then increase

• Constant increase

• Exponential increase

• Linear increase