Notes and Study material for Exams
Disasters in the Uttarakhand Himalayan region and other Himalayan States Himalayas, as a region, have always been susceptible to disaster, due to the neo-tectonic mountain-building process, like Earthquakes, landslides, floods, etc. The spread of reckless developmental activities has transformed many natural disasters into man-made events. Such calamities play a grave negative socio-economic role on the … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> Disasters are sudden and intense events which result in considerable destruction, injuries & deaths, disrupting normal life as well as the process of development. Increasing Population and various other socio-economic factors have forced people to live in vulnerable areas. Disasters are perceived to be on the … Read more
The Global Positioning System consists of 24 satellites, that circle the globe once every 12 hours, to provide worldwide position, time and velocity information. GPS makes it possible to precisely identify locations on the earth by measuring distance from the satellites. GPS allows you to record or create locations from places on the earth and … Read more
Bureau of Indian Standards , based on the past seismic history, grouped the country into four seismic zones, viz. Zone-II, -III, -IV and –V. Of these, Zone V is the most seismically active region, while zone II is the least. The Modified Mercalli (MM) intensity, which measures the impact of the Earthquakes on the surface of the … Read more
Understanding Earthquakes: A Comprehensive Guide Earthquakes, those sudden and often violent shifts in the Earth’s crust, are a powerful reminder of the dynamic nature of our planet. These seismic events can cause widespread devastation, leaving behind shattered landscapes, collapsed buildings, and a trail of human suffering. Yet, understanding earthquakes is crucial not only for mitigating … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> : Types, distribution and their impact:- Earthquake:- The study of seismic waves provides a complete picture of the layered interior. An earthquake in simple words is shaking of the earth. It is a natural event. It is caused due to release of energy, which generates waves … Read more
The Earth’s Shifting Skin: A Journey Through Plate Tectonic Theory The Earth, our planet, is a dynamic and ever-changing entity. Beneath our feet, a hidden world of immense power and movement constantly reshapes the surface we inhabit. This dynamic force, known as plate tectonics, is the driving engine behind earthquakes, volcanoes, mountain ranges, and even … Read more
Unveiling the Earth’s Secrets: A Deep Dive into P-Waves The Earth, our planet, is a dynamic and complex system, constantly evolving beneath our feet. Understanding its internal structure and processes is crucial for comprehending natural phenomena like earthquakes, volcanic eruptions, and even the formation of continents. One of the key tools in this endeavor is … Read more
Natural Hazards and Natural Disasters A NATURAL HAZARD is a threat of a naturally occurring event will have a negative effect on humans. This negative effect is what we call a natural disaster. In other words when the hazardous threat actually happens and harms humans, we call the event a natural disaster. Natural … Read more
Unveiling the Mysteries of the Deep: A Journey into Oceanography The Earth, a vibrant tapestry of life and landscapes, holds within its embrace a vast and enigmatic realm â the ocean. Covering over 70% of our planet’s surface, this watery expanse is a cradle of biodiversity, a regulator of climate, and a source of countless … Read more