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Answer:

Across
2With all other factors being equal, the deeper the focus (farther below _____), the lower the intensity, and the shallower the focus (closer to the surface), the greater the intensity.
4an area along a fault where relatively few earthquakes have occurred recently, but where strong _____ are known to have occurred in the past.
5Scientists study past earthquakes in a region to make approximate forecasts about future earthquakes. Instruments along fault zones can detect small changes in rock movement and an _____ in stress.
8the solid outer layer of earth that consists of the crust and the ridge upper part of the mantle
9A long undersea mountain chain that has a steep narrow valley at its center that forms as magma rises from the asthenosphere and that creates new oceanic lithosphere as tectonic _____ move apart.
Down
1describes magma or igneous rock that is rich in feldspar and silica and that is generally light in color. comes from melted _____ crust
3magma that flows onto earths surface; the rock that forms when lava cools and solidifies
6Know where earthquakes are most _____ to happen.
7the opening of a valcano
 
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