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Seismologist and Seismograph Functions

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Questions and Answers

A seismologist studies ______, analyzes earthquake data, and gives reports to the world about current earthquakes.

earthquakes

A seismograph is a tool that detects and records ______/seismic waves.

earthquakes

An epicenter is the location at which the earthquake wave first hits the ______.

surface

A P-Wave is a type of body wave that moves in a back and forth motion, also known as ______ waves.

primary Signup and view all the answers

An S-Wave, also known as shear or secondary waves, shakes the ground back and forth perpendicular to the wave direction and cannot travel through ______.

liquids Signup and view all the answers

Amplitude is a measure of the size of seismic waves and is related to the ______ of the earthquake.

energy Signup and view all the answers

What are the main responsibilities of a seismologist?

Studies earthquakes, analyzes earthquake data, gives reports on current earthquakes, interprets the composition of the Earth, evaluates earthquake dangers, determines earthquake magnitude, analyzes faults and fractures. Signup and view all the answers

Explain the significance of a seismograph in relation to earthquakes.

It detects and records seismic waves, helps locate the epicenter, determines energy release, and earthquake depth. Signup and view all the answers

Describe the characteristics of a seismogram.

The recording made by a seismograph. Signup and view all the answers

What is the definition of an epicenter?

The location where the earthquake wave first hits the surface, directly above the focus. Signup and view all the answers

Discuss the characteristics of P-Waves in earthquakes.

Type of body wave, first to reach the seismograph, stretches and compresses the Earth's crust, moves back and forth, slows down in liquids. Signup and view all the answers

Explain the properties of S-Waves in seismic activity.

Shear or secondary waves, ground shaking perpendicular to wave direction, cannot travel through outer core or liquids. Signup and view all the answers