Earthquake and Tsunami Concepts

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Questions and Answers

What is the purpose of a seismic measuring instrument?

To predict the time of an earthquake
To detect and measure movements during an earthquake (correct)
To record atmospheric pressure changes
To assess the structural integrity of buildings

What does the term 'tsunami' refer to in Japanese?

Wave generated by earthquakes
Undersea volcanic eruption
Storm surge from the ocean
Big wave in the port (correct)

Which of the following best describes a volcano?

A type of earthquake detector
A large underwater trench
A flat land that erupts gases and ash
A mountain with a crater for volcanic activity (correct)

Which phenomenon is primarily associated with undersea earthquakes?

<p>Tsunami (B)</p> Signup and view all the answers

Which statement about seismic instruments is incorrect?

<p>They can predict the magnitude of an earthquake. (D)</p> Signup and view all the answers

Study Notes

Earthquake Measurement Instruments

Instrument detects and measures the intensity, direction, and duration of earthquake movements.
Provides crucial data for understanding seismic activity and assessing risks.

Tsunami Terminology

"Tsunami" derives from a Japanese term meaning "big wave in the port."
Tsunamis are typically generated by undersea earthquakes affecting coastal areas.

Volcanic Features

A volcano is a mountain or hill, usually conical in shape.
Characterized by a crater or vent that erupts lava, rock fragments, hot vapor, and gases.
Volcanic activity plays a significant role in geological processes and can impact surrounding ecosystems.

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Description

Test your knowledge on earthquake measurement instruments, tsunami terminology, and volcanic features. This quiz covers the essential vocabulary and concepts related to seismic activity and natural disasters. Get ready to understand the science behind these fascinating phenomena!