1) The Theory of Plate Tectonics is . Select one:
a. An educated guess
b. The current best explanation
c. A statement of fact
d. Supported by research
e. A and C
f. B and D
2) The Theory of Plate Tectonics explains . Select one:
a. Global distribution of volcanoes
b. Global distribution of...
1) The Theory of Plate Tectonics is . Select one:
a. An educated guess
b. The current best explanation
c. A statement of fact
d. Supported by research
e. A and C
f. B and D
2) The Theory of Plate Tectonics explains . Select one:
a. Global distribution of volcanoes
b. Global distribution of earthquakes
c. Global distribution of mountain ranges
d. All of the above
3) What type of tectonic plate boundary is the San Francisco Bay Area built on? Select
one:
a. Divergent
b. Transform
c. Convergent
d. Transverse
e. Subvergent
4) What type of fault are the San Andreas and Hayward faults? Select one:
a. left-lateral strike-slip
b. normal
c. transform
d. thrust
e. right-lateral strike-slip
5) Hazards most associated with strike-slip earthquakes on the Hayward fault could
include . Select one:
a. Rain on snow
b. Liquefaction
c. Riptides
d. Tsunamis
e. All of the above
6) What is the main type of tectonic plate boundary that exists along the edge of the
North American plate near the coast of Northern California, Oregon, and Washington?
Select one:
a. Convergent
b. Divergent
c. Compressional
d. Transform
7) True or False?
Megathrust earthquakes, like one that can occur on the Cascadia subduction
zone off the coast of Oregon and Northern California (north of Mendocino
California), can be strongest in magnitude—stronger than a San Andreas
earthquake like 1906.
Select one:
, a. False
b. True
8) A major strike-slip earthquake on the San Andreas fault in California will cause a
c atastrophic tsunami afecting residents of San Francisco.Select one:
Thi source was downloaded by 100000849764058 from CourseHero.com on 07-26-2022 03:51:03 GMT -000
a. True
b. False
9) The earth’s tectonic plates are always moving. We can measure their movements using
GPS, just like we can track a car or a teenager with a cell phone. ;-)
Given that the plates are always moving, why do we have only
occasional earthquakes—rather than constant shifting and rumbling?
Hint: this question is about elastic rebound theory!
Select one:
a. all of these
b. None of these
c. The lithosphere stretches to a limit, and then it breaks.
d. The lithosphere can stretch like a rubber band.
e. There is friction resisting the motion between any two tectonic plates.
10) Extra Credit Question:
For those who lived in the Bay Area after the 1906 earthquake and before the 1989
Loma Prieta earthquake, it was a pretty quiet time—without many earthquakes at all.
Leading up to the 1906 earthquake, however, there were numerous moderate
magnitude earthquakes. Tom Brocher (see the video!) shows a timeline or “Bay Area
Earthquake History” and discusses this pattern.
Why were there so many earthquakes before the great 1906 earthquake and
so few after?
Many say the 1989 Lona Prieta earthquake marks the start of a new earthquake
cluster for the Bay Area!
Select one:
a. The Bay Area was known as earthquake country before 1906.
b. The earthquakes signified the movement of magma beneath the lithosphere.
c. 1906 released all the accumulated tectonic stress from the lithosphere.
d. Loma Prieta released all the accumulated tectonic stress from the lithosphere.
11) The Haywired scenario—headed by Tom Brocher and others—is a prepatory measure
meant to ready law enforcement, fire fighters, utility workers, etc. for damage to
infrastructure that will happen during a great Hayward earthquake.
True or False?
The Haywired scenario plans for a similar amount of shaking compared to
the 1868 Hayward earthquake.
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