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

What type of rocks are most commonly formed at divergent boundaries?

A) Igneous rocks

B) Sedimentary rocks

C) Fossiliferous rocks

D) Metamorphic rocks

2 / 10

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

A) Laurasia

B) Rodinia

C) Gondwana

D) Pangea

3 / 10

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

A) Rift valleys

B) Mid-ocean ridges

C) Transform faults

D) Trenches

4 / 10

What is a foreshock in earthquake seismology?

A) A smaller earthquake that precedes the main shock

B) A secondary wave generated by the main shock

C) A seismic event caused by volcanic activity

D) A smaller earthquake that follows the main shock

5 / 10

What is the main cause of tsunamis?

A) Volcanic eruptions

B) Underwater earthquakes

C) Landslides

D) Meteorite impacts

6 / 10

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

A) 20

B) 7

C) 4

D) 12

7 / 10

Which type of seismic wave travels fastest through the Earth?

A) Surface waves

B) Rayleigh waves

C) P-waves

D) S-waves

8 / 10

Which instrument is used to detect and record seismic waves?

A) Anemometer

B) Seismometer

C) Barometer

D) Hygrometer

9 / 10

What is the point on the Earth’s surface directly above the focus of an earthquake called?

A) Seismic zone

B) Hypocentre

C) Fault line

D) Epicentre

10 / 10

What is the primary purpose of a seismograph?

A) To detect and record seismic waves

B) To measure atmospheric pressure

C) To forecast weather patterns

D) To measure the Earth’s magnetic field

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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

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

What is a foreshock in earthquake seismology?

What is the main cause of tsunamis?

Which type of seismic wave travels fastest through the Earth?

Which instrument is used to detect and record seismic waves?

What is the point on the Earth’s surface directly above the focus of an earthquake called?

What is the primary purpose of a seismograph?

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

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

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

How do seismologists use the time difference between the arrival of P-waves and S-waves to determine the distance to an earthquake’s epicentre?

What type of boundary is most likely to produce the largest earthquakes?

What is a seismic hazard map used for?

How do seismologists locate the epicentre of an earthquake?

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

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

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