Volcanism and Volcanic Landforms

Volcanism Volcanism is the process of molten rock coming out of the Earth’s surface. It happens because of the Earth’s internal heat and is part of the rock cycle. Volcanic eruptions occur when molten lava reaches the surface of the Earth. Volcanoes are...

Tsunami

Seismic waves in the ocean and seawater cause high sea waves known as tsunami “Tsunami” is a Japanese term for “harbor wave” Tsunamis are generated by impulsive disturbances in a body of water They have extremely long wavelengths and long...

Exogenic Forces Denudation Weathering

Exogenic (Exogenetic) Processes Exogenic forces are forces that come from the earth’s exterior or atmosphere. These forces cause land wearing down and are known as land wearing forces. Exogenic processes result from stress induced by various forces caused by the...

South America | World Geography For UPSC IAS

South America is a long triangular shaped continent. South America is located between 12°N to 55°S latitude. The Equator passes through the northern part and the Tropic of Capricorn runs roughly through the middle. A major part of the landmass is in the tropics due to...