Which is the most fertile soil?

What is the soil composition?

How many earthquakes can occur within a year?

The phenomenon of covering the ground with a moving water layer, which by its size and duration causes human victims and material damage

Huge waves caused by earthquakes

Continuous increase of the recorded average temperatures of the atmosphere in the immediate vicinity of the soil

The move of a portion of rocks on a sloping surface. This calamity occurs in areas where the soil is composed of different types of clay

Rapid movement of snow from the slope of a mountain, often having air and water composition, but sometimes it can also contain rocks or boulders

Violent atmospheric disturbance, of small size, with a swirling character, in the aspect of a narrow column that rotates very quickly or of a turned funnel that reaches the ground level