Unit 3, Earthquake Prediction & Mitigation Wikipedia Homework
In Wikipedia, look up "Earthquake prediction" and answer this question: Currently, what do most scientist say about earthquake prediction? A. Earthquake prediction is inherently impossible. B. Prediction may someday be possible. C. We can accurately predict a few earthquakes, but not most. D. We can accurately predict most earthquakes to within several years.
A. Earthquake prediction is inherently impossible.
In Wikipedia, look up "Seismic site effects" and answer this question: Which of the following will strongly amplify surface ground motion during an earthquake? A. Sediments B. Water C. Hard rock D. Lava
A. Sediments
In Wikipedia, look up "Earthquake warning system" and answer this question: What is an earthquake early warning system? A. A system to designed to predict earthquakes days or weeks before they occur. B. A system devised for notifying adjoining regions of a substantial earthquake while it is in progress. C. A system designed to alert state and federal authorities that a major earthquake has just occurred, and an emergency response is required. D. All the above
B. A system devised for notifying adjoining regions of a substantial earthquake while it is in progress.
In Wikipedia, look up "Foreshock" and answer this question: Why might foreshock detection be useful in predicting earthquakes? A. Because they occur prior to every major (M>7) earthquake. B. Because they occur prior to most major (M>7) earthquakes. C. Because they occur prior to a small percentage of major (M>7) earthquakes. D. Because they occur prior to no major (M>7) earthquakes.
B. Because they occur prior to most major (M>7) earthquakes.
In Wikipedia, look up "1976 Tangshan earthquake" and answer this question: Which of the following is not true? A. An estimated 85% of buildings in the region collapsed. B. The earthquake was predicted, leading to a partial evacuation prior to the quake. C. Some estimates placed the death toll at more than half a million people. D. All the above are true
B. The earthquake was predicted, leading to a partial evacuation prior to the quake.
In Wikipedia, look up "Seismic base isolation" and answer this question: What is the objective of seismic base isolation? A. To simulate the magnitude of shaking that a building will experience. B. To decouple a building from the shaking ground during an earthquake. C. To determine who much a particular foundation will shake because of its geology. D. To prevent the rock beneath a building from shaking during an earthquake.
B. To decouple a building from the shaking ground during an earthquake.
In Wikipedia, look up "Modified Mercalli intensity scale", scroll down to the actual scale and answer this question: At what scale level will damage be great in substantial buildings, with partial collapse? A. VII Very strong B. VIII Severe C. IX Violent D. X Extreme
C. IX Violent
In Wikipedia, look up "Modified Mercalli intensity scale" and answer this question: What do Mercalli intensities measures (don't worry about difference to modified intensities)? A. The peak acceleration caused by an earthquake B. The amount of seismic energy released by an earthquake C. The effects of an earthquake at a particular location D. The amount of a fault is displaced at a particular location
C. The effects of an earthquake at a particular location
In Wikipedia, look up "Earthquake forecasting" and answer this question: What is an earthquake forecast? A. The outlook for an earthquake occurring the next day (like a weather forecast) B. The determination of the maximum size and earthquake can be on a particular fault C. The probabilistic assessment of earthquake hazards over years or decades D. A prediction of when an earthquake will occur on a particular fault
C. The probabilistic assessment of earthquake hazards over years or decades
In Wikipedia, look up "New Madrid Seismic Zone" and answer this question: Which of the following statements is not true? A. There were a series of several large earthquakes in this region in 1811-1812. B. The 1811 earthquake causes the Mississippi River to appear to run backwards. C. West Lafayette, Indiana is within a couple of miles to the center of this seismic zone. D. All the above are true
C. West Lafayette, Indiana is within a couple of miles to the center of this seismic zone.
In Wikipedia, look up "1906 San Francisco earthquake" and answer this question: Which of the following is true about the 1906 earthquake? A. Potentially more than 3,000 people died, the most ever due to an earthquake in the U.S. B. Devasting fires broke out after the earthquake that were even more destructive C. Areas situated in sediment-filled valleys sustained stronger shaking than nearby bedrock sites. D. All the above
D. All the above
In Wikipedia, look up "2008 Sichuan earthquake" and answer this question: During the Sichuan earthquake, also known as the Wenchuan earthquake, which of the following statements is true? A. An unusually large number of school buildings collapsed killing many children. B. It was the largest and deadliest earthquake in China since the 1976 Tangshan earthquake. C. It left about 5 million people homeless. D. All the above
D. All the above
In Wikipedia, look up "2010 Haiti earthquake" and answer this question: Which of the following are true? A. The Haitian government's death toll estimates were far higher than other estimates. B. It had been more than 150 years since the last major (M>7) earthquake in the country. C. An estimated 3 million people were affected by the quake D. All the above
D. All the above
In Wikipedia, look up "Mechanical resonance" and answer this question: Which of these statements about mechanical resonance (also known as forced resonance) is true? A. Avoiding resonance disasters is a major concern in every building, tower, and bridge construction project. B. Buildings in seismic zones are often constructed to take into account the oscillating frequencies of expected ground motion. C. Mechanical resonance is the tendency of a mechanical system to respond at greater amplitude when the frequency of its oscillations matches the system's natural frequency of vibration. D. All the above
D. All the above
In Wikipedia, look up "Seismic hazard", scroll down to the US seismic hazard maps and enlarge the map of peak ground acceleration, and answer this question: This map shows where seismic hazards are considered high (red/yellow regions). Which regions contain high seismic hazards? A. The west coast B. The midwest C. The southeast coast D. All the above
D. All the above
In Wikipedia, look up "2009 L'Aquila earthquake", scroll down to "Prosecutions", and answer this question: Why were 6 seismologists thrown in jail? A. For looting after the earthquake B. For creating inadequate building codes C. For leaving town before the earthquake D. For not predicting the earthquake
D. For not predicting the earthquake
In Wikipedia, look up "Earthquake prediction", scroll down to "Precursors", and answer this question: Which of the following appears to be a reliable earthquake precursor? A. Foreshocks B. Changing in groundwater levels C. Observed acceleration of ground deformation D. None have been found to be reliable for the purposes of earthquake prediction
D. None have been found to be reliable for the purposes of earthquake prediction
In Wikipedia, look up "Soil liquefaction" and answer this question: What is liquefaction? A. The process by which buildings slowly sink into wet sediments over a long period of time. B. The process by which non-reinforced concrete shatters during earthquake shaking. C. The process by which soils become as a hard as concrete during earthquake shaking. D. The process by which water-saturated sediments act like a liquid during an earthquake.
D. The process by which water-saturated sediments act like a liquid during an earthquake.
In Wikipedia, look up "Earthquake preparedness" and answer this question: True or False: Building codes are designed to make buildings earthquake proof in the sense of them suffering zero damage. True False
False
In Wikipedia, look up "List of earthquakes", scroll down to "Deadliest earthquakes", and answer this question: True or False: Of the top 10 deadliest earthquakes, a majority were smaller than M8.
True
