Question 1

Which of the following types of waves is a compressional sound wave?

Accepted Answer

A) P waves 
B) S waves 
C) surface waves 
D) all of the above 
A) P waves 
B) S waves 
C) surface waves 
D) all of the above

Question 2

Which of the following statements about tsunamis is false?

Accepted Answer

A) An early warning system for tsunamis has been developed for the Pacific region. 
B) Tsunamis are produced by tidal forces,which is why they are also called tidal waves. 
C) Tsunamis can reach heights in excess of 20 meters when they reach the shore. 
D) Tsunamis travel slower than P and S waves. 
A) An early warning system for tsunamis has been developed for the Pacific region. 
B) Tsunamis are produced by tidal forces,which is why they are also called tidal waves. 
C) Tsunamis can reach heights in excess of 20 meters when they reach the shore. 
D) Tsunamis travel slower than P and S waves.

Question 3

What was the approximate magnitude of the 1994 Northridge earthquake in Los Angeles?

Accepted Answer

A) magnitude 6 
B) magnitude 7 
C) magnitude 8 
D) magnitude 9 
A) magnitude 6 
B) magnitude 7 
C) magnitude 8 
D) magnitude 9

Question 4

The 2004 Sumatra earthquake and tsunami were caused by an earthquake along a ______ fault.

Accepted Answer

A) normal 
B) shear 
C) subduction 
D) megathrust 
A) normal 
B) shear 
C) subduction 
D) megathrust

Question 5

An earthquake's Richter magnitude is based on

Accepted Answer

A) the amount of energy released during an earthquake. 
B) the amount of ground movement caused by seismic waves. 
C) the distance between the earthquake and the seismograph station. 
D) the observed effects on people and structures. 
A) the amount of energy released during an earthquake. 
B) the amount of ground movement caused by seismic waves. 
C) the distance between the earthquake and the seismograph station. 
D) the observed effects on people and structures.

Question 6

What should you do during an earthquake?

Accepted Answer

A) Support yourself next to an exterior wall. 
B) Drop,cover,and hold on. 
C) Get on top of a table. 
D) Get under an architectural façade. 
A) Support yourself next to an exterior wall. 
B) Drop,cover,and hold on. 
C) Get on top of a table. 
D) Get under an architectural façade.

Question 7

The 2011 Tohuku,Japan,event revealed a new threat associated with large earthquakes.What was it?

Accepted Answer

A) the generation of a large tsunami 
B) the weakness of building structures 
C) the vulnerability of nuclear facilities 
D) the threat of fires created by the rupture of gas mains 
A) the generation of a large tsunami 
B) the weakness of building structures 
C) the vulnerability of nuclear facilities 
D) the threat of fires created by the rupture of gas mains

Question 8

If an earthquake occurred in Seattle,Washington,how long would it take for the first seismic waves to arrive at a seismograph station in Miami,Florida,approximately 5000 kilometers away?

Accepted Answer

A) approximately 8 seconds 
B) approximately 8 minutes 
C) approximately 8 hours 
D) approximately 8 days 
A) approximately 8 seconds 
B) approximately 8 minutes 
C) approximately 8 hours 
D) approximately 8 days

Question 9

Which of the following countries has the least risk of earthquakes?

Accepted Answer

A) Australia 
B) China 
C) Japan 
D) United Sates 
A) Australia 
B) China 
C) Japan 
D) United Sates

Which of the following types of waves is a compressional sound wave?

Which of the following statements about tsunamis is false?

What was the approximate magnitude of the 1994 Northridge earthquake in Los Angeles?

The 2004 Sumatra earthquake and tsunami were caused by an earthquake along a ______ fault.

An earthquake's Richter magnitude is based on

What should you do during an earthquake?

The 2011 Tohuku,Japan,event revealed a new threat associated with large earthquakes.What was it?

If an earthquake occurred in Seattle,Washington,how long would it take for the first seismic waves to arrive at a seismograph station in Miami,Florida,approximately 5000 kilometers away?

Which of the following countries has the least risk of earthquakes?

The Earth System

Plate Tectonics: The Unifying Theory

Earth Materials: Minerals and Rocks

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

History of the Continents

Geobiology: Life Interacts With Earth

Volcanoes

Exploring Earths Interior

The Climate System

Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

The Hydrologic Cycle and Groundwater

Stream Transport: From Mountains to Oceans

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

The Human Impact of Earths Environment

Filters

Exam 13: Earthquakes

Which of the following types of waves is a compressional sound wave?

Which of the following statements about tsunamis is false?

What was the approximate magnitude of the 1994 Northridge earthquake in Los Angeles?

The 2004 Sumatra earthquake and tsunami were caused by an earthquake along a ______ fault.

An earthquake's Richter magnitude is based on

What should you do during an earthquake?

The 2011 Tohuku,Japan,event revealed a new threat associated with large earthquakes.What was it?

If an earthquake occurred in Seattle,Washington,how long would it take for the first seismic waves to arrive at a seismograph station in Miami,Florida,approximately 5000 kilometers away?

Which of the following countries has the least risk of earthquakes?

The Earth System

Plate Tectonics: The Unifying Theory

Earth Materials: Minerals and Rocks

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

History of the Continents

Geobiology: Life Interacts With Earth

Volcanoes

Exploring Earths Interior

The Climate System

Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

The Hydrologic Cycle and Groundwater

Stream Transport: From Mountains to Oceans

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

The Human Impact of Earths Environment

Filters