Uchebnik Po Geografii Lobzhanidze Tema:vnutrenie Sily Zemli Review

The Earth's crust is not a solid shell; it is broken into massive pieces called . These plates float on the plastic layer of the upper mantle (the asthenosphere).

When plates collide, they can form mountain ranges (like the Himalayas). When they pull apart, they create rift valleys or mid-ocean ridges. uchebnik po geografii lobzhanidze tema:vnutrenie sily zemli

The point on the Earth's surface directly above the focus. This is where the shaking is usually strongest. The Earth's crust is not a solid shell;

They can be active (erupting regularly), dormant (quiet but could erupt), or extinct (unlikely to erupt again). dormant (quiet but could erupt)

Earthquakes are sudden tremors and vibrations of the Earth's surface caused by the displacement of rock masses deep underground.