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.

<p>primary</p> 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 ______.

<p>liquids</p> Signup and view all the answers

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

<p>energy</p> Signup and view all the answers

What are the main responsibilities of a seismologist?

<p>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.</p> Signup and view all the answers

Explain the significance of a seismograph in relation to earthquakes.

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

Describe the characteristics of a seismogram.

<p>The recording made by a seismograph.</p> Signup and view all the answers

What is the definition of an epicenter?

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

Discuss the characteristics of P-Waves in earthquakes.

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

Explain the properties of S-Waves in seismic activity.

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

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