sábado, 26 de enero de 2008

Earthquake


Picture from : geology.com/pangea.htm
I guess I am more hopeful than anxious of finding answers to questions, and looking for resonance to ideas about the earthquakes.

According to my reading , the water of the oceans came from the water vapor of eruptions of volcanoes (Earth, Frank Press and Raymond Siever). Before 600 million years (for more than 3 000 million years), there was no sea. The earth had an elevated zone that formed the Pangea. How this elevated zone came about? The answer to this question may help us to define the origin of volcanoes. The lightest material, the granite, travelled to the surface, the basalt ,behind, helped to form the crust?.This sounds as the action of the force of gravity . 225 million years ago , the volcanoes were around the Pangea. What we call now the volcanic belt, was really a belt around all of the known earth. All earthquakes here were of volcanic origin. Heavier material than basalt had not migrated downwards completely.

What is the shape of the center of the earth? I imagine a large solid cave where the liquid iron and nickel of the outer core move subject to the four forces: electromagnetic, large nuclear force, small nuclear force, and the gravity. I would guess that there is an amount of gas created by the nearness of the solid and the liquid. This gas would suffer great pressure and would be first affected by outside ions This large cave would have inlets towards the current volcanoes. Gravity is the weaker force among the four forces. The origin of the migration of the continents would be in the changes of the shape of the cave where the iron and chrome are located.

William Guilbert in 1600 announces that the earth has a magnetic field. He also studied electricity , and named it. A unit of magnetism is named guilbert. Being this electromagnetic field of the earth so large and receiving the solar wind, would they have an effect on the core of the earth? Has it been measured? have the mechanical changes of the core of the earth due to the electromagnetic field, affected by the solar wind , been observed?. Water goes toward the weaker magnetic field and it is dielectric. So the borders of Pangea would be the areas most charged electromagnetically.

For a time I thought that earthquakes occurred in opposing extremes of the earth . If there was an earthquake in Malasia, then the next earthquake could be in Peru. Now I think that if I want to predict volcanic activity in Peru I should pay attention to what was the opposing side during the Pangea.

Volcanic eruptions seem to be "seasonal", before and after big eruptions , small tremors are felt in one place. But also , it may be confirmed with the data that different places have volcanoes with eruptions grouped in time.








Tags: geology, earthquakes, volcanoes

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