WINDOWS OF THE WORLD

Why was there an earthquake?

Topmost layer of the earth, namely litosfir, is a relatively cold rocks and the top is in solid condition and rigid. Below this layer there is a much hotter rock called the mantle. This layer is so hot, so always in a state is not rigid, so it can move according to the distribution of heat that we know as the convection flow. Tectonic plates that are part of litosfir solid and floating on the mantle moves come to each other. There are three possible movement of one tectonic plate relative to the other, ie when the two plates away from each other (spreading), approach each other (collision) and each slide (transform).

If the two plates meet at a fault, they can move away from each other, approach each other or each shift. Generally, these movements are slow and can not be felt by humans, but measured at 0-15 cm per year. Sometimes, this plate movement stuck and interlock, resulting in the collection of energy continues until at some time in the tectonic plate rock is no longer able to resist the movement, causing a sudden release of which we know as earthquakes.

When an earthquake occurs?

Earthquakes can occur at any time, without knowing the season. Nevertheless, the concentration of earthquakes tend to occur in certain places, such as the Pacific Plate boundary. This place is known as the Ring of Fire because of the many volcanoes.