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Earthquakes are usually caused when rock underground suddenly breaks along a fault. This sudden release of energy causes the seismic waves that make the ground shake. When two blocks of rock or two plates are rubbing against each other, they stick a little. They don't just slide smoothly; the rocks catch on each other. The rocks are still pushing against each other, but not moving. After a while, the rocks break because of all the pressure that's built up. When the rocks break, the earthquake occurs. During the earthquake and afterward, the plates or blocks of rock start moving, and they continue to move until they get stuck again. The spot underground where the rock breaks is called the focus of the earthquake. The place right above the focus (on top of the ground) is called the epicenter of the earthquake.
What else can I help you with?
When earthquake happen when these sections of earth crust move?
earthquakes happen when these sections of earths crust move
What happened if the earths crust move suddenly along fault?
The result is commonly known as an earthquake.
What is the last step of a earthquake?
the final step of an earhquake is tge energy takes the form of vibrations that move through earths crust
What are the sky conditions if an earthquake is going to happen?
The weather and sky have nothing to do with it. Earthquakes happen when to pieces of earths crust suddenly move against or under another.
How did the napier earthquake occur?
usually an earthquake occurs because underneath the earths crust are tectonic plates and when they move occasionlly one will get caught but the outside is still moving and that causes an earthquake
When earthquake happen when these sections of earth crust move?
earthquakes happen when these sections of earths crust move
What are cracks in earths crust that move or shift?
Tectonic plates.
What layer of earth is made up of plates that move?
The earths crust
Earthquakes happen when what section of the earths crust move?
The tectonic plates.
Why is the earths crust always moving?
Simple- Convection in the mantle causes mantle to slowly move, and it pushes against the crust. As it does this, the tectonic plates move.
How would earth look different if the crust didn't move?
It would look a little different because there will be no living particle on earth
In what ways do plates in the earths crust move?
they move in all sorts of ways like the bottom and the top lol :}
Do some part of the earths crust move up 12 cm per year?
no
What happened if the earths crust move suddenly along fault?
The result is commonly known as an earthquake.
What happens to earths surface as huge pieces of crust move?
most times earthquakes occur
Would earth be different if its crust did not move and it lacked tectonic plates?
Its surface would look like that of the Moon, Mars or Mercury all of which do not have tectonic plates and a fixed crust.
How do earthqukes form?
The earths crust is split into large pieces called plates. When they move they cause a earthquake.
