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Earthquakes

Across
The process of an oceanic plate colliding with and descending underneath a continental plate.
Large ocean wave created by undersea earthquakes or volcanic eruptions.
make a thorough or dramatic change in the form, appearance, or character of.
The zone of earthquakes and volcanoes surrounding the Pacific Ocean.
Fault that makes California an area of high risk for earthquakes
A collapse of a mass of earth or rock from a mountain
Molten rock that is found beneath the earth's surface.
a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust
A fracture in rock formation where there has been movement
The outermost, solid layer of the earth
the point on the earth's surface vertically above the focus of an earthquake.
coming closer together
Down
Waves from an earthquake are known as these.
the gradual movement of the continents across the earth's surface through geological time.
The large, thin, plates that move relative to one another on the outer surface of the Earth.
Molten rock that erupts from volcanoes.
an instrument that measures and records details of earthquakes
These boundaries mark the collision between two of the planet's tectonic plates
a smaller earthquake following the main shock of a large earthquake.
hypothetical supercontinent that included all current land masses
tending to be different or develop in different directions.