measures the total amount of ______ released by the earthquake
energy
100
this is a graphical illustration of seismic waves
a seismogram
100
a vent in Earth's crust though which molten rock flows
a volcano
100
evaluates the ______ that results from the shaking
damage
100
The rock and soil are enriched with valuable nutrients is...
a positive result of a volcanic eruption
200
the energy released depends on the ____ of the fault that breaks, the ______ that occurs along the fault, and the strength of the rocks that break during an earthquake
size;motion
200
this is an instrument that measures and records ground motion and can be used to determine the distance seismic waves travel
a seismometer
200
this type of volcano has gentle slopes of basaltic lava, common along divergent plate boundaries and oceanic hot spots.
shield volcano
200
shaking is directly related to earthquake _________
intesity
200
The amount of silica in the magma makes the magma....
flow more slowly the greater the amount of silica that is within the lava
300
The units on this scale are ___________.
exponential
300
this is a scientist that studies earthquakes
seismologist
300
this type of volcano is a large, steep sided volcano that results from explosive eruptions of andesitic and rhyolitic lavas along convergent plate boundaries.
composite volcano
300
measures earthquake intensity based on ____________ of the earthquake's effects on people and structures
descriptions
300
Basaltic magma produces nonexplosive eruptions such as those at
Kilauea
400
For each increase of one unit on the scale, the earthquake releases ____ times more energy
31.5
400
this is the energy that travels as vibrations on and in earth
a seismic wave
400
this type of volcano is a small, steep sided volcano that erupts gas rich, basaltic lava.
cinder cone
400
ranging from I, when shaking is not _________, to XII, when everything is destroyed.
noticeable
400
Kilauea in Hawaii is the worlds most ______ volcano
active
500
That means that a magnitude 8 earthquake releases more than ___ times the amount of energy than that of a magnitude 6 earthquake
992
500
this is a location inside earth where seismic waves originate and rocks first move along a fault and from which seismic waves originate
the focus
500
this is a location where volcanoes form far from plate boundaries
hot spot
500
what do the roman numerals I and XII stand for in the question above?
1 and 12
500
This type of flow moves at speeds of more than 100km/hr and have temperatures of 2,000 degrees Celsius