Section 2 Crossword
Across
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Down
stress above which a material ceases to deform elastically
(2 words)
quicksand condition in wet soil induced by seismic waves
planar break between offset segments of a spreading ridge
along which two plates move horizontally in opposite
directions (2 words)
measure of earthquakes’s damaging effects
volcano with no recent eruptive history, but may become
active in the future (2 words)
planar break in rock along which one side has moved
relative to the other
earthquakes that follow the main shock
ruptures prior to plastic deformation
explosive volcanic eruption involving steam (2 words)
volcanic equivalent of granite
volcanic ejecta
a possible driving force behind plate tectonics (2 words)
compressional seismic body wave
volcano built of cinders (2 words)
body waves and surface waves are examples (2 words)
smooth, gradual movement along a fault
ground displacement and energy release produced by
sudden movement along a fault
partially molten “weak” zone in the upper mantle
quiet section along otherwise active fault (2 words)
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volcanic rock rich in ferromagnesian minerals and low in
silica
plate
volcano with no recent eruptive history and not expected to
erupt again (2 words)
seismic sea wave
solid, outermost zone of earth’s crust
eruption of lava from a crack in the lithosphere (2 words)
another term for composite volcano
volcanic mudflow deposit formed from hot ash and water
measure of earthquake size
deformation resulting from stress
volcano that is erupting or has erupted recently (2 words)
low, flat, gently-sloping volcano built from many flows of
low-viscosity basaltic lava (2 words)
chain of volcanic islands formed parallel to a subduction
zone on an overriding plate (2 words)
isolated center of volcanic activity (2 words)
point on earth’s surface directly above an earthquake’s
focus
large, bowl-shaped summit depression in a volcano
point of first break on a fault during an earthquake
shear seismic waves