ch 6 review earthquakes. question 1 the place where slippage first occurs is called an...
TRANSCRIPT
Ch 6 Review
Earthquakes
Question 1 The place where slippage first occurs is
called an earthquake’s _______.a) Focusb) Epicenterc) Magnituded) intensity
Question 1 The place where slippage first occurs is
called an earthquake’s _______.a) Focus
Question 2 The San Andreas Fault zone has formed
where the edge of the Pacific plate is slipping
a) Under the North American Plateb) Over the North American Platec) South along the North American Plated) North along the North American Plate
Question 2 The San Andreas Fault zone has formed
where the edge of the Pacific plate is slipping
d) North along the North American Plate
Question 3 The Pacific Ring of Fire is an earthquake
zone that forms a ring arounda) The Atlantic Oceanb) South Americac) The Pacific Oceand) North America
Question 3 The Pacific Ring of Fire is an earthquake
zone that forms a ring around
c) The Pacific Ocean
Question 4 When friction prevents the rocks on
either side of a fault from moving past each other, the fault is said to be
a) fracturedb) subductingc) lockedd) elastic
Question 4 When friction prevents the rocks on
either side of a fault from moving past each other, the fault is said to be
c) locked
Question 5 Deep-focus earthquakes usually occur in
areas in which one platea) Slides past anotherb) Remains stationary against anotherc) Moves apart from anotherd) Subducts under another
Question 5 Deep-focus earthquakes usually occur in
areas in which one plate
d) Subducts under another
Question 6 Ninety percent of continental
earthquakes havea) The same depthb) A shallow focusc) The same type of eruptionsd) A deep focus
Question 6 Ninety percent of continental
earthquakes have
b) A shallow focus
Question 7 How far below the earth’s surface do
intermediate-focus earthquakes occur?a) 10 to 30 kmb) 30 to 70 kmc) 70 to 300 kmd) 300 to 650 km
Question 7 How far below the earth’s surface do
intermediate-focus earthquakes occur?
c) 70 to 300 km
Question 8 Which type of earthquakes usually occurs
farther inland than other earthquakes?a) Deep-focusb) Shallow-focusc) Intermediate-focusd) Microquakes
Question 8 Which type of earthquakes usually occurs
farther inland than other earthquakes?a) Deep-focus
Question 9 Most earthquakes occur along or near the
edges of thea) North American Plateb) Earth’s oceans and lakesc) Eurasian Plated) Earth’s lithospheric plates
Question 9 Most earthquakes occur along or near the
edges of the
d) Earth’s lithospheric plates
Question 10 Where did the most widely felt series of
earthquakes in the United States occur?a) Alaskab) Californiac) Hawaiid) Missouri
Question 10 Where did the most widely felt series of
earthquakes in the United States occur?
d) Missouri
Question 11 Which type of seismic wave travels the
fastest?a) Tsunamib) P wavec) S waved) Surface wave
Question 11 Which type of seismic wave travels the
fastest?
b) P wave
Question 12 S waves can only travel througha) Gasesb) Solidsc) Liquidsd) Gases and liquids
Question 12 S waves can only travel through
b) Solids
Question 13 What is the minimum number of
seismograph stations a scientist must have data from in order to locate the epicenter of an earthquake?
a) 1b) 2c) 3d) 4
Question 13 What is the minimum number of
seismograph stations a scientist must have data from in order to locate the epicenter of an earthquake?
c) 3
Question 14 A major earthquake has a magnitude ofa) 2.5 to 3.5b) 3.5 to 6.0c) Less than 2.5d) 7 or above
Question 14 A major earthquake has a magnitude of
d) 7 or above
Question 15 How many separate sensing devices
make up a seismograph?a) 1b) 2c) 3d) 4
Question 15 How many separate sensing devices
make up a seismograph?
c) 3
Question 16 Which of the following generally causes
the most damage during an earthquake?a) Aftershockb) Primary wavec) Secondary waved) Surface wave
Question 16 Which of the following generally causes
the most damage during an earthquake?
d) Surface wave
Question 17 Tsunamis result from earthquakes with
epicenter locateda) On the ocean floorb) In loose soilc) Along coastlinesd) In continental faults
Question 17 Tsunamis result from earthquakes with
epicenter locateda) On the ocean floor
Question 18 What is a tsunami?a) A deep-focused earthquakeb) A shallow-focus earthquakec) A type of seismic waved) A giant ocean wave
Question 18 What is a tsunami?
d) A giant ocean wave
Question 19 Landslides on the seafloor are most likely
to producea) Tsunamisb) Fault zonesc) Seismic gapsd) Elastic rebounds
Question 19 Landslides on the seafloor are most likely
to producea) Tsunamis
Question 20 A seismic gap is a region in whicha) There are no seismographsb) Tsunamis never occurc) A fault is lockedd) Only deep-focus earthquakes occur
Question 20 A seismic gap is a region in which
c) A fault is locked
Question 21 During an earthquake, a person is most
likely to be safe ina) A carb) An open fieldc) A cellard) A building
Question 21 During an earthquake, a person is most
likely to be safe in
b) An open field