This Geography quiz on Earthquakes and Volcanoes puts 10 multiple-choice questions to you, the verified MCQs published with GK24's note on the topic. Every question carries a full explanation of why the correct option is right and why the other options are wrong, so you learn the fact behind the answer rather than the letter. Attempt it right after reading the note, keep to the timer, and use the explanations at the end to mark what needs another look. Sit it again before the exam as a quick revision of the topic.
10 questions with answers and explanations
Which of the following seismic waves cannot travel through liquids?
Secondary or S waves are transverse, so the particles of the medium move at right angles to the direction of travel.
Read the full explanation →The point inside the earth where an earthquake originates is known as the
The focus, also called the hypocentre, is the point below the surface at which the strained rock ruptures and releases its stored elastic energy as seismic waves.
Read the full explanation →The Richter scale is used to measure which of the following?
The Richter scale, devised by Charles F. Richter in 1935, expresses the energy released at the source of the shock.
Read the full explanation →Barren Island, the only active volcano in India, is located in which of the following?
Barren Island lies in the Andaman Sea, to the east of the main Andaman group, and is the only active volcano in India and in South Asia.
Read the full explanation →The instrument used to record the waves produced by an earthquake is called a
A seismograph carries a mass that stays nearly still while the ground and the frame move under it, and the relative motion is traced as a wavy line.
Read the full explanation →Mount Vesuvius, the volcano whose eruption buried the city of Pompeii, is located in which country?
Mount Vesuvius stands near the Bay of Naples in southern Italy and its eruption in 79 CE buried the Roman towns of Pompeii and Herculaneum under ash, preserving them so well that they became an archaeological record of Roman daily life.
Read the full explanation →Which volcano is popularly known as the Lighthouse of the Mediterranean?
Stromboli is a small island volcano in the Lipari or Aeolian group north of Sicily, and it has been in almost continuous mild eruption for centuries.
Read the full explanation →Which type of seismic wave is recorded first on a seismograph?
P waves are longitudinal, moving the particles of the medium back and forth along the direction of travel by compression and rarefaction.
Read the full explanation →The Ring of Fire, which has the largest concentration of active volcanoes in the world, surrounds which ocean?
The circum-Pacific belt, popularly called the Ring of Fire, runs from the Andes of South America up through Mexico, the western coast of North America and the Aleutians, then down through Kamchatka, Japan, the Philippines and Indonesia to New Zealand.
Read the full explanation →Volcanoes with broad bases and gentle slopes, built up by thin basic lava, are known as
Basic lava is poor in silica, very hot and thin, so it travels a long way from the vent before it solidifies.
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