Chapter 8 Earthquakes Freeman Environmental Geology Lab Book (2nd
Study online at https://quizlet.com/_h92xno
Q8.1 Judging from the seismogram in
figure 8.4, which wave appears to be the Surface waves.
most damaging?
Q8.3 Determine the distance to an earth-
NOT approximately 1,400 kilometers
quake at a station that recieves P and S
NOT approximately 2,800 kilometers
waves 5.0 minutes apart.
Q8.4 At this point, from the information
in figure 8.6A, how specific can you be The earthquake is somewhere on the
as concerns the location of that earth- circle around Seattle.
quake?
Q8.5 At this point, from the information
The earthquake is at one of the two
in figure 8.6B, how specific can you now
points where the circles around Seattle
be as concerns the location of that earth-
and Berkeley intersect.
quake?
Q.8.6 At this point, from the information
in figure 8.6C, how specific can you now The earthquake is at the point where the
be as concerns the location of that earth- three circles intersect.
quake?
Q8.7 The effect of value III in table 8.1 is
People are at rest inside. Dishes, books,
'Felt indoors'. Why specify indoors? Why
lamps, mirrors, chandeliers that are in-
should eyewitness accounts indoors dif-
doors are sensitive to motion.
fer from eyewitness accounts outdoors?
Q8.8 How much greater is ground motion
generated by a magnitude 4 quake than 100 times greater.
a magnitude 2 quake?
Q9 Why aren't the fields of Mercalli in-
Different rocks respond differently to
tensity values in figure 8.8 bounded by
seismic energy e.g., sediments along riv-
perfect concentric circles (as in the tar-
er valleys are easily disturbed, resulting
get pattern), rather than in these spatter
in spatter patterns.
shapes?
Q8.10 Using the nomogram above, de- A 4.2
termine the Richter magnitude for the B 2.2
three earthquakes listed below. C 3.7
Q8.11 As indicated in table 8.4 there ap-
pears to be an upper limit to Richter and
1/3
Study online at https://quizlet.com/_h92xno
Q8.1 Judging from the seismogram in
figure 8.4, which wave appears to be the Surface waves.
most damaging?
Q8.3 Determine the distance to an earth-
NOT approximately 1,400 kilometers
quake at a station that recieves P and S
NOT approximately 2,800 kilometers
waves 5.0 minutes apart.
Q8.4 At this point, from the information
in figure 8.6A, how specific can you be The earthquake is somewhere on the
as concerns the location of that earth- circle around Seattle.
quake?
Q8.5 At this point, from the information
The earthquake is at one of the two
in figure 8.6B, how specific can you now
points where the circles around Seattle
be as concerns the location of that earth-
and Berkeley intersect.
quake?
Q.8.6 At this point, from the information
in figure 8.6C, how specific can you now The earthquake is at the point where the
be as concerns the location of that earth- three circles intersect.
quake?
Q8.7 The effect of value III in table 8.1 is
People are at rest inside. Dishes, books,
'Felt indoors'. Why specify indoors? Why
lamps, mirrors, chandeliers that are in-
should eyewitness accounts indoors dif-
doors are sensitive to motion.
fer from eyewitness accounts outdoors?
Q8.8 How much greater is ground motion
generated by a magnitude 4 quake than 100 times greater.
a magnitude 2 quake?
Q9 Why aren't the fields of Mercalli in-
Different rocks respond differently to
tensity values in figure 8.8 bounded by
seismic energy e.g., sediments along riv-
perfect concentric circles (as in the tar-
er valleys are easily disturbed, resulting
get pattern), rather than in these spatter
in spatter patterns.
shapes?
Q8.10 Using the nomogram above, de- A 4.2
termine the Richter magnitude for the B 2.2
three earthquakes listed below. C 3.7
Q8.11 As indicated in table 8.4 there ap-
pears to be an upper limit to Richter and
1/3
