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An earthquake can be caused in two different ways, there is a volcanic earthquake and a tectonic earthquake. Tectonics earthquakes are much more common than volcanic earthquakes. Volcanic earthquakes are when magma, or molten rock, moves underground. This can cause earthquake directly in what is called a harmonic tremor, or indirectly by breaking and shifting rock. A tectonic earthquake is when stress built up by the movement of Earth's tectonic plates is released in the form of shaking.
A MoonQuakehttp://en.wikipedia.org/wiki/MoonquakeThat might help
They are called tectonic or lithospheric plates.
Type your answer ... The crust of our planet is cracked into seven large and many other smaller slabs of rock called plates, averaging about 50 miles thick. As they move (only inches per year), and depending on the direction of that movement, they collide, forming deep ocean trenches, mountains, volcanoes, and generating earthquakes.
Tectonic plates
An earthquake can be caused in two different ways, there is a volcanic earthquake and a tectonic earthquake. Tectonics earthquakes are much more common than volcanic earthquakes. Volcanic earthquakes are when magma, or molten rock, moves underground. This can cause earthquake directly in what is called a harmonic tremor, or indirectly by breaking and shifting rock. A tectonic earthquake is when stress built up by the movement of Earth's tectonic plates is released in the form of shaking.
A MoonQuakehttp://en.wikipedia.org/wiki/MoonquakeThat might help
A cluster or chain of islands is called an "archipelago", which specifically applies to islands created by the same volcanic or tectonic source.
They are called tectonic or lithospheric plates.
the tectonic plates shift, then the earth starts shaking. the magma/lava inside the volcano builds up and forces through the top. then when it is flowing down its called LAVA.
Type your answer ... The crust of our planet is cracked into seven large and many other smaller slabs of rock called plates, averaging about 50 miles thick. As they move (only inches per year), and depending on the direction of that movement, they collide, forming deep ocean trenches, mountains, volcanoes, and generating earthquakes.
Shaking baby syndrome
Tectonic plates
this is called tectonic plates moving, this causes earthquakes and if under water it's called a psunami
tectonic plate
A chain of volcanoes is called a volcanic arc.
The tectonic plate is called the African Plate.