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1 An instrument that detects, measures, and records the energy of earthquake vibrations at a given location.
2 A vibration that travels through Earth and is produced by earthquakes and volcanic eruptions.
3 When the ground near tectonic plates shifts and changes position, these occur:
4 Smaller earthquakes that follow a major earthquake.
5 The location on Earth’s surface above the focus of an earthquake.
6 The measure of the energy released during an earthquake.
7 The force that causes rocks to break as plates rub past each other is called:
8 A break or crack in the rocks of the lithosphere along which movement takes place.
9 The point below the surface of Earth where an earthquake begins.
10 An opening on Earth’s surface through which magma erupts.
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