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Chapter 9 Vocabulary

Across
Location directly above the focus of an earthquake
Small, steep-sided volcano that erupts gas-rich basaltic lava
Graphical illustration of seismic waves
Causes vibrations in the ground that result from movement along breaks in Earth's lithosphere
Scientist who studies earthquakes
molten rock below Earth's surface
Large, steep-sided volcano that results from explosive eruptions of andesitic and rhyolitic lavas along convergent plate boundaries
Causes particles in the ground to move side to side and up and down at right angles relative to the direction the wave travels
Fastest-moving type of seismic wave; causes particles in the ground to move in a push-pull motion
Break in Earth's lithosphere where one block of rock moves toward, away from, or past another
Liquid's ability to flow
Tiny particles of pulverized volcanic rock and glass
Volcano that is not associated with a plate boundary
To cause to disperse or disappear
Down
Tending to move toward one point or approaching each other
Large volcano with gentle slopes of basaltic lava; located along a divergent plate boundaries and oceanic hot spots
Where Earth's lithospheric plates move and interact with each other
Causes particles in the ground to move up and down, similar to ocean waves
Measures and records ground motion and the distance and direction seismic waves travel
Earth's interior below the crust and above the core
Travels as vibrations on and in Earth
Vent in Earth's crust through which molten rock flows
Molten rock that erupts onto Earth's surface
Location where rocks first move along a fault and seismic waves originate