“Moving rocks” is an unexplained phenomenon that happens in the desert Mojave, region located between Nevada and California.

More precisely, it is possible to observe Playa Racetrack, in the famous Death Valley, United States national park full of geological history, where is the biggest depression of North America (-86 meters below sea level).

In this sandy desert, probably the.. Continue reading [..]

These are a clear testimony to the vitality of the earth, certainly all the volcanoes are the most visible effect of the fact that our planet is alive (see the flow of heat) and this is largely due to the movement who suffer from the plates (see plate tectonics) above the mantle.

An earthquake is a sudden vibration of the ground produced by sudden release of energy and that energy is spreading in all directions (like a sphere) in the form of waves. But what is this energy? Well imagine it’s like to have in my hands a stick of wood: if you start to bend it offers a resistance to bending which is expressed in the form of elastic energy, rocks behave the same way: ie if a piece of rock begins to deformed, it will offer some resistance (which changes depending on the type of rock), but when the forces that.. Continue reading [..]

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