Professionals who study and monitor earthquakes and seismic waves

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Seismic comes from the greek word (blank) meaning earthquake

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Seismic Waves are generated by what?

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TYPES OF SEISMIC WAVES: travel through the Earth's Interior

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TYPES OF SEISMIC WAVES: can only penetrate rocks at shallow depths

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TYPES OF BODY WAVES: fastest seismic waves, longtitudinal or compressional waves. Can travel through solids, liquids and gases. Can travel through the Earth's Core.

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Primary waves are also known as?

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TYPES OF BODY WAVES: velocity of 4-6km, move back and forth, parallel

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TYPES OF BODY WAVES: Transverse waves, PERPENDICULAR direction, can travel through solids only.

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Secondary waves are also known as?

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velocity of 3-4km, right angle to the direction of wave propagation.

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Is a fracture along which the blocks of crust on either side have moved relative to one another parallel to the fracture

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Place where earthquakes are felt more often

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The process whereby rocks bend, store energy and suddenly release energy

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Origin of the earthquake

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Directly above the focus

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Flat surface along which there is a fault during an earthquake

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Proposed the Elastic Rebound Theory

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has lesser velocity causing more destruction

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Travels in side by side motion, Travels with slow velocity and was the third conspicuous wave detected by seismograph

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Travels in elliptical motion, slower than Love Waves (L waves) with lower velocity, last type of seismic wave to be recorded by seismograph

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Two types of Surface waves

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An English Physical Scientist who predicted the existence of the wave. Rayleigh wave was named after this person.

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British mathematician who formulated a mathematical model of the wave. The Love Wave was named after this person.

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Small follow-up earthquakes

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small tremors that precede a massive earthquake

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Faults that can't make earthquakes

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Faults that can make earthquakes

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several semifluid materials or partially molten rocks, 100-200km deep

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Rocks here are stronger than in the asthenosphere

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Other term for focus

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Latin word meaning "situated at the center"

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What scale uses seismograph

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Which scale uses observation?

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Amount of energy released as the earthquake shakes

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Amount of energy of an earthquake based on property damage

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Harbor waves that come into the bay from the ocean

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