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