Question 1 A surface rupture along a fault that creates a small step or low clif
ID: 157445 • Letter: Q
Question
Question 1
A surface rupture along a fault that creates a small step or low cliff is called __________.
fault liquefaction
fault stairs
an earthquake divide
a fault chasm
a fault scarp
1 points
Question 2
Why was the 1994 Northridge earthquake so much more costly than the 1964 Prince William Sound earthquake?
The Northridge earthquake was a larger magnitude earthquake
The Northridge earthquake was associated with a major tsunami
The Northridge earthquake produced more intense shaking
The Northridge earthquake was in a more populated area with more buildings, thus there was more to damage
1 points
Question 3
During an earthquake, intense shaking may cause water-saturated sand to change rapidly from solid to a liquid (
a.fault liquefaction
b.fault stairs
c.an earthquake divide
d.a fault chasm
e.a fault scarp
Explanation / Answer
1) e. a fault scarp
A fault scarp is a small step or offset on the ground surface where one side of a fault has moved vertically with respect to the other
2) The Northridge earthquake was in a more populated area with more buildings, thus there was more to damage
3) d. liquefaction
Soil liquefaction describes a phenomenon whereby a saturated or partially saturated soil substantially losesstrength and stiffness in response to an applied stress, usually earthquake shaking or other sudden change in stress condition, causing it to behave like a liquid.
5) a dam failure
6) b. fires
Devastating fires broke out in the city that lasted for several days. As a result, about 3,000 people died and over 80% of San Francisco was destroyed
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