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Earthquake Questions
Earthquake
Question | Answer |
---|---|
Vibrations in the earth caused by the sudden movement of rock is called | Earthquakes |
The point along the fault where an earthquake begins is called the | Focus |
The point on the earth's surface directly above the point where an earthquake begins is called the | Epicenter |
Most severe earthquakes occur | At Plate Boundaries |
P waves travel through | both solids and liquids |
S waves cannot pass through | Asthenosphere |
The Richter scale expresses the earthquake's | Magnitude |
Most injuries in earthquakes are caused by | Collapse of buildings |
If an earthquake stikes you while you are in a car, you should | stop the car in a clear space and remain in the car |
A quake of lesser magnitude, usually one of a series, following a large earthquake in the same area | Aftershock |
A sudden movement of the earth's crust caused by the release of stress accumulated along geologic faults or by volcanic activity | Earthquake |
The point of the earth's surface directly above the focus of an earthquake | Epicenter |
surface or long wave | L Wave |
scale that expresses the intensity of an earthquake with a Roman numeral and a description | Mercalli Scale |
primary wave | P Wave |
major earthquake zone that forms around the pacific ocean | Ring of Fire |
scale that expresses the magnitude of an earthquake | Richter Scale |
Secondary Wave | S Wave |
An instrument for automatically detecting and recording the intensity, direction, and duration of a movement of the ground, especially of an earthquake | Seismograph |
A very large ocean wave caused by an underwater earthquake or volcanic eruption | Tsunami |