Earthquakes are mainly caused by the sudden movement of tectonic plates beneath the Earth's surface. • The Earth's crust is divided into large plates that constantly shift. • When these plates collide, pull apart, or slide past each other, the built-up energy is released in the form of seismic waves, causing the ground to shake.
What is the main cause of earthquakes?
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This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.