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Earthquakes Flashcards | StudBud

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Earthquakes

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Earth Science earthquakes

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Questions 8

Answers

1
What is the second fastest type of seismic wave?
Surface waves
Light waves
P-waves
S-waves
2
The S-P lag time can tell us the _____.
length of the earthquake in seconds
distance from the epicenter
magnitude of the earthquake
the duration of the surface waves
3
Where do earthquakes originate from?
the surface
the fault
the epicenter
the focus
4
P-waves can propagate through
solid
all are correct
liquid
gas
5
What is the fastest type of seismic wave?
Rayleigh waves
P-waves (primary)
Love waves
S-waves (secondary)
6
A P-wave shadow on Earth's surface is caused by
the Earth's atmosphere
the Sun
the bending of waves (refraction)
the absorption of waves
7
The length of time observed between P & S wave arrivals indicates an earthquake's ________.
distance
size
magnitude
scale
8
S-waves cannot propagate through the center of the Earth because
they cannot pass through liquid
none are correct
they can only travel on Earth's surface
they are reflected by the core