role of tectonic plates in earthquakes
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The plates consist of an outer layer of the Earth, the lithosphere , which is cool enough to behave as a more or less rigid shell. Occasionally the hot asthenosphere of the Earth finds a weak place in the lithosphere to rise buoyantly as a plume, or hotspot. The satellite image below shows the volcanic islands of the Galapagos hotspot.
Only lithosphere has the strength and the brittle behavior to fracture in an earthquake.
The map below locates earthquakes around the globe. They are not evenly distributed; the boundaries between the plates grind against each other, producing most earthquakes.
HOPE IT HELPS!!!
The plates consist of an outer layer of the Earth, the lithosphere , which is cool enough to behave as a more or less rigid shell. Occasionally the hot asthenosphere of the Earth finds a weak place in the lithosphere to rise buoyantly as a plume, or hotspot. The satellite image below shows the volcanic islands of the Galapagos hotspot.
Only lithosphere has the strength and the brittle behavior to fracture in an earthquake.
The map below locates earthquakes around the globe. They are not evenly distributed; the boundaries between the plates grind against each other, producing most earthquakes.
HOPE IT HELPS!!!
Garima2305:
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tectonic plates are not continues but fragmented and are always in motion.. so when one plate brushes against each other or one plate goes above each other it creates disturbance on the surface of the earth and cause an earthquake.. hope it is sufficient for you dear... thanks
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