Seismology

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Quiz on Seismology

You have to face 10 multiple-choice questions each carrying 1 mark. Each question has only one correct answer out of 4 options. Answering all the questions is not mandatory. The quiz will be auto submitted after the timer stops.

Total no. of questions: 10
Full marks: 10
Time: 10 Minutes

1 / 10

Which type of earthquake wave can travel through both the Earth’s core and mantle?

A) Surface waves

B) Love waves

C) S-waves

D) P-waves

2 / 10

Which type of boundary results in the collision and uplifting of crustal material?

A) Convergent boundary

B) Subduction boundary

C) Divergent boundary

D) Transform boundary

3 / 10

What is a foreshock in earthquake seismology?

A) A secondary wave generated by the main shock

B) A smaller earthquake that follows the main shock

C) A smaller earthquake that precedes the main shock

D) A seismic event caused by volcanic activity

4 / 10

Which tectonic boundary is associated with the formation of deep ocean trenches?

A) Divergent boundary

B) Convergent boundary

C) Subduction boundary

D) Transform boundary

5 / 10

What is the main cause of tsunamis?

A) Underwater earthquakes

B) Volcanic eruptions

C) Meteorite impacts

D) Landslides

6 / 10

The supercontinent that existed around 300 million years ago and subsequently broke apart was named:

A) Rodinia

B) Laurasia

C) Pangea

D) Gondwana

7 / 10

What is the primary purpose of a seismograph?

A) To detect and record seismic waves

B) To measure atmospheric pressure

C) To measure the Earth’s magnetic field

D) To forecast weather patterns

8 / 10

Which natural feature is formed at a divergent boundary on land?

A) Rift valleys

B) Ocean trenches

C) Volcanoes

D) Mountain ranges

9 / 10

How many major tectonic plates are there on Earth's surface?

A) 12

B) 7

C) 20

D) 4

10 / 10

What geological feature is commonly created at convergent plate boundaries due to subduction?

A) Mid-ocean ridges

B) Transform faults

C) Trenches

D) Rift valleys

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Advanced Quiz on Seismology

You have to face 10 multiple-choice questions each carrying 1 mark. Each question has only one correct answer out of 4 options. Answering all the questions is not mandatory. The quiz will be auto submitted after the timer stops.

Total no. of questions: 10
Full marks: 10
Time: 10 Minutes

1 / 10

Which tectonic boundary is responsible for the formation of volcanic island arcs?

A) Subduction boundary

B) Transform boundary

C) Divergent boundary

D) Convergent boundary

2 / 10

Which of the following statements best describes a subduction zone earthquake?

A) It is caused by the collision of continental plates

B) It is associated with divergent plate boundaries

C) It occurs along transform faults

D) It occurs when one tectonic plate is forced beneath another

3 / 10

How can earthquake magnitude and intensity be differentiated?

A) Magnitude is a subjective measure; intensity is objective

B) Magnitude varies with location; intensity is constant

C) Magnitude measures the size of an earthquake; intensity measures the damage caused

D) Magnitude is measured on the Mercalli scale; intensity is measured on the Richter scale

4 / 10

What is a seismic hazard map used for?

A) Identifying areas at risk of seismic activity

B) Mapping the locations of all fault lines

C) Measuring the intensity of past earthquakes

D) Predicting the exact time of future earthquakes

5 / 10

What type of fault is created by tensional forces and results in the hanging wall moving downward relative to the footwall?

A) Strike-slip fault

B) Normal fault

C) Transform fault

D) Reverse fault

6 / 10

What is a seismic gap, and why is it significant?

A) A measurement of the intensity of seismic waves

B) An area of high seismic activity

C) An area where no earthquakes have occurred for a long period

D) A region with continuous minor tremors

7 / 10

What does the Modified Mercalli Intensity (MMI) scale measure?

A) The observed effects and damage caused by an earthquake

B) The duration of an earthquake

C) The energy released by an earthquake

D) The magnitude of an earthquake

8 / 10

The “Ring of Fire” is a zone characterized by intense tectonic activity, including volcanic eruptions and earthquakes. Which tectonic boundary does it primarily encircle?

A) Transform boundaries

B) Subduction boundaries

C) Convergent boundaries

D) Divergent boundaries

9 / 10

What is the main cause of aftershocks following a major earthquake?

A) Ongoing volcanic activity

B) Changes in atmospheric pressure

C) Sudden changes in the Earth’s magnetic field

D) The release of residual stress along the fault

10 / 10

What is the name of the scale that measures the total energy released by an earthquake?

A) Fujita scale

B) Mercalli scale

C) Moment magnitude scale

D) Richter scale

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Seismology is the scientific study of earthquakes and seismic waves that travel through the Earth. These waves are generated by sudden movements of the Earth’s crust, often caused by tectonic plate activity. Seismologists use sensitive instruments called seismometers to measure and record these vibrations. By analysing seismic data, they can locate earthquake epicentres, determine their magnitudes, and study the Earth’s internal structure. Seismology helps us understand natural hazards, improve building designs to withstand earthquakes, and develop early warning systems. It also provides insights into geological processes like volcanic activity and plate tectonics, helping us better understand our dynamic planet.

Seismology

Which type of earthquake wave can travel through both the Earth’s core and mantle?

What is a foreshock in earthquake seismology?

What is the main cause of tsunamis?

What is the primary purpose of a seismograph?

What geological feature is commonly created at convergent plate boundaries due to subduction?

Which of the following statements best describes a subduction zone earthquake?

How can earthquake magnitude and intensity be differentiated?

What is a seismic hazard map used for?

What type of fault is created by tensional forces and results in the hanging wall moving downward relative to the footwall?

What is a seismic gap, and why is it significant?

What does the Modified Mercalli Intensity (MMI) scale measure?

The “Ring of Fire” is a zone characterized by intense tectonic activity, including volcanic eruptions and earthquakes. Which tectonic boundary does it primarily encircle?

What is the main cause of aftershocks following a major earthquake?

What is the name of the scale that measures the total energy released by an earthquake?

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