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Earthquakes and Seismic Waves MCQs for Competitive Exams

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Earthquakes and Seismic Waves MCQs for Competitive Exams

Practice with answers, explanations, and exam-focused revision notes.

26 MCQs Page 2

Topic Notes: Earthquakes and Seismic Waves

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Earthquakes and Seismic Waves MCQs in Geography are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

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11
What instrument is utilized to measure the intensity and ground motion resulting from seismic activity?
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12
What physical property of an earthquake does the magnitude scale represent?
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13
What is the specific term for the point within the Earth's crust where an earthquake rupture originates?
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14
On the Richter scale, an earthquake measuring 6 releases how many times more energy than one measuring 5?
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15
Which scale is commonly used to measure the magnitude of energy released during an earthquake?
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16
Which of the following terms best describes the inability to measure earthquake intensity using a specific device?
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17
What is the term for the point on the Earth's surface that lies directly above the seismic focus of an earthquake?
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18
How does the magnitude of an earthquake relate to the energy released during the seismic event?
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19
In which form do vibrations radiate from the earthquake focus in all directions?
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20
According to the Modified Mercalli Intensity Scale, which intensity level corresponds to the description where 'almost everything is destroyed' and the ground is visibly rippled?
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