Context: A 4.0-magnitude earthquake struck Delhi-NCR, with its epicenter at Dhaula Kuan. The tremors were felt across the region, raising concerns about Delhi's vulnerability to seismic activity. What Are Earthquakes? An earthquake is a sudden release of energy in the Earth's crust that generates seismic waves, causing ground shaking. Earthquakes occur due to the movement of tectonic plates along fault lines. Key Causes of Earthquakes: Tectonic Plate Movement: The Earth's lithosphere is divided into plates that constantly move. When they collide, slide past each other, or diverge, stress builds up along fault lines. Sudden Release of Energy: When accumulated stress exceeds the rock’s capacity to withstand it, the energy is released, causing seismic waves and ground shaking. Shallow Earthquakes: Depth: These earthquakes occur close to the Earth's surface (typically 5-10 km deep). Impact: Due to their proximity to the surface, shallow earthquakes cause more damage...
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