Term
|
Definition
echo-sounding measurements |
|
|
Term
|
Definition
located in the interior of a plate, are weak spots that allow magma to flow or create a volcano |
|
|
Term
|
Definition
magma that has reached the earth's surface. |
|
|
Term
|
Definition
material formed from the elements oxygen and silicon, is one of the most abundant materials in the Earth’s crust and mantle. |
|
|
Term
|
Definition
is one that is erupting or has shown signs that it may erupt in the near future. |
|
|
Term
Dormant (sleeping) volcano |
|
Definition
is like a sleeping bear. Scientist expect it to awaken in the future. |
|
|
Term
|
Definition
is unlikely to erupt again. |
|
|
Term
|
Definition
the point beneath the surface where the rock is under stress. |
|
|
Term
|
Definition
the point on the surface directly above the focus. |
|
|
Term
|
Definition
the point on the surface directly above the focus.
10. Seismograph: records the ground movement (vibrations) caused by seismic waves as they move through the Earth.
11. Moment Magnitude Scale: it rates the total energy released by an earthquake.
12. Viscosity: the resistance of a liquid to flowing. High viscosity = flows fast. Low viscosity = flows slowly. |
|
|
Term
|
Definition
records the ground movement (vibrations) caused by seismic waves as they move through the Earth. |
|
|
Term
|
Definition
it rates the total energy released by an earthquake.
slowly. |
|
|
Term
|
Definition
the resistance of a liquid to flowing. High viscosity = flows fast. Low viscosity = flows |
|
|