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Day 2 Earthquakes and Volcanoes Important Terms Earthquake: the violent shaking of Earth’s crust as built up energy is released. Epicenter: point on Earth’s surface directly above the focus of an earthquake Fault: crack in Earth’s crust along which movement takes place Important Terms Focus: point underground where the faulting in an earthquake occurs Magma: melted rock below Earth’s surface; called lava at the surface Seismic waves: waves of energy sent through Earth’s crust when plates move slightly. It’s an Earthquake: You will be divided into groups of four to five students You will be creating a newscast telling about a major earthquake that has just occurred. Reporters, anchorpersons and eyewitnesses.