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3 cards from this section. Quick, good the night before a test.
What does the term hypocentre refer to?
Think about where the earthquake starts.
Why are P-waves significant in earthquakes?
Recall what waves come first during a quake.
What are P-waves known for?
Recall which waves arrive first.
True or False: S-waves arrive before P-waves.
Remember the order of wave arrivals.
A seismo station records the arrival time of P-waves at 2 seconds and S-waves at 6 seconds. If the seismic velocity of P-waves is 6 km/s, what is the hypocentral distance from the station?
Remember the formula for distance is speed multiplied by time.
Discuss how delays in P-wave arrival could affect seismic safety alerts. What systems could mitigate this risk?
Think about advancements in technology to improve current systems.
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