Lithosphere MCQ Question and Answer | Geography MCQ Question

On December 26, 2004, at 7:59 am local time, an undersea earthquake with a magnitude of 9.1 struck off the coast of the Indonesian island of Sumatra. Epicentre of Earthquake was west coast of Sumatra.

The highest grade of coal whose surface is shining and has the highest calorific value, is Anthracite. Anthracite, often referred to as hard coal, is a hard, compact variety of coal that has a submetallic luster. It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals.

The epicentre of an earthquake is the nearest point to the surface from the focus perpendicular to the earth's surface. It generally lies within a depth of 6 kms in the earth crust. The point vertically above the focus on the earth's surface is called as the epicenter. The intensity of earthquake will be highest in the epicenter and decreases as one moves away.

Deadly volcano Mount Sinabung in Indonesia that erupted again in May 2016. Located in geological active ring of fire Mount Sinabung erupted in May 2016. It was accompanied by two more volcanoes named Gamalama and Rinjani.

The smallest island country in the Indian Ocean is Maldives. It is the smallest country in Asia by size and has one of the most widely distributed territories in the world. The atolls of Maldives are composed of sand bars and coral reefs which are formed at the top of a submarine ridge that rises abruptly from the ocean.

Mauna Loa, the world’s largest volcano, located on the south-central part of the island of Hawaii, Hawaii state, U.S., and a part of Hawaii Volcanoes National Park. One of the largest single mountain masses in the world, Mauna Loa (meaning “Long Mountain” in Hawaiian) rises to 13,677 feet (4,169 metres) above sea level and constitutes half of the island’s area.

Formation of potholes in river beds is an example of corrosion. Corrosion is the deterioration of a metal as a result of chemical reactions between it and the surrounding environment.

Majority of Earth's crust is composed of igneous rock with about 90% of share. The sial & sima i.e. silica alumina & silica magnesium respective are igneous rock types.

No, marble cannot be considered as sedimentary rock. It is a metamorphic rock which is metamorphosed limestone, compound of pure calcium carbonate.

The well-defined zones of seismic activity in the world where the largest number of earthquakes originates is Circum Pacific Belt. The world's greatest earthquake belt, the circum-Pacific seismic belt, is found along the rim of the Pacific Ocean, where about 81% of our planet's largest earthquakes occur. It has earned the nickname "Ring of Fire".