Earthquakes increasing?: Plate Tectonics [IGEO.TV]

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Typhoon Haiyan:

Man-made earthquakes are becoming a real problem
Geek-20 hours ago
... supposed to be caused by the movement of tectonic plates? ... and increased numbers of small earthquakes — but actually we've been ...

When the earth shook beneath the Mississippi
Chicago Reader-Nov 5, 2013
The Lost History of the New Madrid Earthquakes tells the story about a ... the quakes and their rich and various meanings—to increasingly ... region is that, unlike the west coast, it doesn't sit along the edge of a tectonic plate.
EYE TO THE SKY: Earthquakes raise concerns about Pilgrim Station
Wicked Local-Nov 4, 2013
The San Andrea's Fault, a boundary between two "tectonic plates," stretches ... An increase of one on the Richter Scale represents a 10-times ...

A plate tectonic or lithospheric plate is a piece of lithosphere that moves as a rigid block without internal deformation occurs on the asthenosphere (or upper outer mantle) of the Earth.

The Plate tectonics is a theory that explains the structure and dynamics of the Earth's surface. Sets the lithosphere (the upper portion and rigid colder Earth) is fragmented into a series of plates that move over the asthenosphere.

This theory also describes the movement of the plates, their addresses and interactions. The Earth's lithosphere is divided into large plates and lower plates or microplates. At the edges of the plates is concentrated seismic activity, volcanic and tectonic. This leads to the formation of large chains and basins.

Earth is the only planet in the solar system with active tectonic plates, although there is evidence that in ancient times Mars, Venus and some of the Galilean satellites, such as Europe, were tectonically active.

Ver Vídeo Globo terráqueo. Paralelos y meridianos:
plate tectonics, earthquakes, and volcanoes

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