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3 cards from this section. Quick, good the night before a test.
What does Mw stand for?
Think about what we use to measure the size of earthquakes.
Name one component of the seismic moment.
These components tell us how much energy was released.
What does Mw stand for?
It's the term commonly used among seismologists.
True or False: The Moment Magnitude scale is only applicable to large earthquakes.
Think about how we need to quantify all earthquakes.
An earthquake occurs on a fault measuring 100 km² with an average slip of 1 meter. If the shear modulus of the rocks is 30 GPa, calculate the seismic moment and corresponding Mw.
Ensure unit consistency while calculating.
How would you compare the energy release between two earthquakes, one with Mw 6.0 and another with Mw 7.0? Show the energy difference.
Keep in mind the logarithmic nature of the scale.
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