What is an hypocenter?
The point of origin of the earthquake.
Name the earth layers .
Crust, mantle, outer core, inner core
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How are tsuamis generated?
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What happen when the epicenter of an earthquake is located in ocean floor?
Tsunamis
T o F: Tectonic plates are always at a standstill, that is to say, they never move
False, they are in constant motion.
Which is the thickets layer of the earth?
Mantle
which is the inner layer of the earth?
Core
What is volcanism?
The result of an accumulation of hot molten magma underground that causes a build-up of pressure.
How can we measure earthquakes?
Richter scale and Mercalli scale.
What does the Richter scale measure?
The energy released in an earthquake.
What do you have to do in case of an earthquake? Give at least 3 examples.
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Which is the thiniest layer of the earth?
Crust
What does the Mercalli scale measure?
The damage caused.
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What's the difference between magma and lava?
Magma is contained in the magma chamber, when the magma comes out to the surface it is called lava.
Which is the outer layer of the earth?
Crust
The lithosphere is surface composed of different parts that fit together, like a puzzle. How are this parts called?
Tectonic plates
Name at least 3 parts of the volcano.
Crater, volcanic cone, lava, magma, main vent
How are volcanoes formed?
By the movements of the tectonic plates.
Which plates affect Chile?
Nazca Plate and South American Plate
What do you have to do in case of tsunami ? Give at least 3 examples.
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What is an epicenter?
The point on the surface of Earth, located just above the hypocenter of an earquake.
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