Podcast
Questions and Answers
What instrument is used to detect ground vibrations and determine the magnitude of an earthquake?
What instrument is used to detect ground vibrations and determine the magnitude of an earthquake?
- Hygrometers
- Barometers
- Seismometers (correct)
- Thermometers
How is earthquake magnitude calculated using the Richter Scale?
How is earthquake magnitude calculated using the Richter Scale?
- Calculating the speed of the seismic waves
- Using the height of the largest wave recorded on seismometers (correct)
- Counting the total number of waves recorded on seismometers
- Measuring the wavelength of the seismic waves
What is the advantage of the Moment Magnitude Scale (Mw) over the Richter Scale (ML) when measuring earthquakes of magnitude 8 and above?
What is the advantage of the Moment Magnitude Scale (Mw) over the Richter Scale (ML) when measuring earthquakes of magnitude 8 and above?
- It measures the wavelength of all seismic waves
- It calculates the speed of the seismic waves
- It counts the total number of waves recorded on seismometers
- It rates earthquakes based on the total energy released during the earthquake (correct)
What causes stress to build at plate boundaries, eventually resulting in earthquakes?
What causes stress to build at plate boundaries, eventually resulting in earthquakes?
What happens when the rocks can no longer contain the stress at plate boundaries?
What happens when the rocks can no longer contain the stress at plate boundaries?
Why do earthquakes generally occur along plate boundaries?
Why do earthquakes generally occur along plate boundaries?
Which term refers to the point in the earth's crust where the energy is suddenly released during an earthquake?
Which term refers to the point in the earth's crust where the energy is suddenly released during an earthquake?
What is the name for the smaller earthquakes that occur after the main shock along the fault line?
What is the name for the smaller earthquakes that occur after the main shock along the fault line?
What do seismic waves refer to?
What do seismic waves refer to?
In the context of earthquakes, what does 'magnitude' refer to?
In the context of earthquakes, what does 'magnitude' refer to?
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