Created by
Mildred (who else?)
Final Jeopardy
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My Fault
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What is the density of
oceanic crust?
About 3.0 g/cm3
What is the depth, below the
surface, of the outer core?
2800 - 2900 km
What is the interior
temperature at a depth of
3000 km in the earth?
5000oC
What is the melting point of the
rock at a depth of 4000 km?
About
o
5500 C
What is the name of the mountain
range that lies on the western edge
of the North American continent?
The Cascades
The 'plastic mantle' is also
known as the..........
Asthenosphere
What is the pressure at a
depth of 3500 km below
the surface of the earth?
(GIVE UNITS!)
About 2 million
atmospheres
In what state of matter is the
rock at a depth of 3500 km in
the earth?
Liquid
DAILY
DOUBLE
You may wager some or all of your money.
What is the thickness of the
outer core?
2200 - 2300 km
What is the name of the
interface between the crust and
the plastic mantle?
The MOHO
How long does it take S waves
to travel 3000 km?
10 minutes
How far will P waves travel in
11 minutes 20 seconds?
8000 km
A seismic station is 4000 km from
the epicenter of an earthquake.
How long after P waves arrive
will the S waves arrive at the
same station?
5 minutes 40 seconds
It takes P waves 11 minutes and 20
seconds to travel from the epicenter of an
earthquake to a seismic station. How long
will it take S waves from the same
earthquake to reach that seismic station?
20 minutes and 40 seconds
S waves from an earthquake arrive at a
seismic station at 2:15:20 PM. If the
seismic station is located 2000 km from
the epicenter, at what time did the
earthquake occur?
2:08:00 PM
What is the difference in
arrival time between P and S
waves at a distance of 2600 km
from an epicenter?
4 minutes
As the distance from an
epicenter increases, the
difference in arrival time
between P & S waves ...........
Increases
An earthquake occurs at 3:30:00 AM. At
what time will S waves arrive at a seismic
station located 6500 km from the
epicenter of the quake?
3:48:00 AM
The difference in arrival times
between P and S waves is 5 minutes
and 20 seconds. How far from the
epicenter is the seismic station
located?
3600 km
The difference in arrival times
between P & S waves is 7 minutes
and 20 seconds. If the P waves
arrived at the station at 6:45:00 PM,
at what time did the earthquake
occur?
6:36:00 PM
What term is
used to
describe the
area in the
diagram
where "No
waves" are
recorded?
Shadow Zone
The location inside the earth
where the earthquake actually
occurs is called the........
Focus
Why does zone 3
in the diagram
receive P waves
but no S waves?
S waves cannot travel
through the liquid outer core
Which
letter in the
diagram
represents
the
epicenter
of the
quake?
Location C
What kind of
plate boundary
is depicted in
the diagram?
A transform boundary
FINAL
JEOPARDY
Wager all or some of your money!
?
What was the time of origin of this earthquake?
11:53 AM