9: Earth’s Interior (Exercises)

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Q9.1 How Soon Will Seismic Waves Get Here?

Times shown for velocity of 5km/s.

Location/distance	Time (s)	Location/distance	Time (s)	Location/distance	Time (s)
Nanaimo (120 km)	24 s	Surrey (200 km)	40 s	Kamloops (390 km)	78 s

Q9.2 Liquid Cores in Other Planets

S-wave shadow zones used to determine the extent of a liquid core [SE]

Q9.3 What Does Your Magnetic Dip Meter Tell You?

Vertical orientation	General location	Vertical orientation	General location
Straight down	North pole	Up at a shallow angle	Southern hemisphere, near the equator
Down at a steep angle	Northern hemisphere, near the pole	Parallel to the ground	Equator

Q9.4 Rock Density and Isostasy

Rock densities [SE]

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