1. (1 point) the location on the earth’s surface directly above the earthquake is called the *
focus
magnitude
epicenter
2. (1 point) the instrument that records earthquakes is called *
a seismogram
a seismologist
a seismograph
3. (1 point) in areas where the earth’s surface is saturated with water, earthquakes can turn solid ground into a fluid through *
liquefaction
tsunamis
subsidence
4. (1 point) what scale is most often used to describe the magnitude of an earthquake? *
richter scale
moment magnitude scale
tsunami scale
5. (1 point) an earthquake in the ocean floor can cause a natural disaster known as *
a p wave
an s wave
tsunami
6. (1 point) what is the weaker, hotter zone beneath the lithosphere that allows for motion of earth’s rigid outer shell? *
crust
outer core
asthenosphere
7. (1 point) which type of tectonic plate boundary occurs when two plates move toward one another and one descends into the mantle below the other? *
oceanic-continental convergent
divergent
continental-continental convergent
8. (1 point) which of the following did wegener not use as support of his theory of continental drift? *
fossil evidence
paleomagnetism
the fit of south america and africa
9. (1 point) the most explosive volcanic eruptions are associated with *
cinder cones
composite cones
sills
10. (1 point) the rock fragments, lava, ash, and other objects ejected from the vent of a volcano are called *
sills
pahoehoes
pyroclastic materials
11. (1 point) which type of lava is hotter? *
aa flows
pahoehoe flows
lapilli flows
12. (1 point) what feature may form in an intraplate area over a rising plume of hot mantle material? *
a hot spot
a dike
a subduction zone
questions 13-14

captionless image
13. (1 point) in the above image, which feature is shown at point #5? *
a dike
a sill
a batholith
14. (1 point) in the above image, which feature is shown at point #3? *
a dike
a sill
a batholith
15. (1 point) what type of mountains will form at an oceanic-oceanic convergent boundary? *
volcanic mountains
folded mountains
fault-block mountains
16. (1 point) which of the following are generally not associated with convergent boundaries? *
volcanic mountains
folded mountains
fault-block mountains
questions 17 & 18

captionless image
17. (1 point) in the image above, which feature is represented at point c? *
accretionary wedge
ocean trench
continental volcanic arc
18. (1 point) in the image above, which feature is represented at point e? *
accretionary wedge
ocean trench
continental volcanic arc

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