Geography

Volcanoes are mountain or hill, naturally conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have…

Structure of the Earth: The Core The earthquake wave velocities helped in understanding the existence of the core of the earth. It is the solid…

Structure of the Earth: The Mantle The mantle is the widest part of the Earth. It has a thickness of around 2,900 km. The mantle…

Structure of the Earth: The Crust The crust is the external layer of the earth. It is a slight layer of 0-60 km thick. The…

Measuring Earthquakes The earthquake events are scaled either according to the magnitude or intensity of the shock. The magnitude scale is known as the Richter…

Effects of earthquake Although probably the most important, direct shaking effects are not the only hazard associated with earthquakes, other effects such as landslides, liquefaction,…

Types of Earthquakes There are many diverse types of earthquakes: tectonic, volcanic, and explosion. The type of earthquake depends on the area where it occurs…

Source of information about the Interior of Earth To understand why the earth shakes or how a tsunami wave is generated, it is essential that…

Emergence of Shadow Zone of Earthquake Earthquake waves get recorded in seismo-graphs located at far off locations. However, they exists several exact areas where the…

Earthquake Waves All usual earthquakes take place in the lithosphere. It is enough to note here that the lithosphere refers to the segment of depth…