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Because heat rises from the earth's mantle and creates such pressure that the parts of the crust called tectonic or lithospheric plates move is the reason why earthquakeshappen.

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Why did the people of Pompeii not run when the volcanoes earthquakes start happening?

Earthquakes are a relatively common occurrence in Italy. Most of the time they do not indicate a catastrophic event is coming.


Why are lots of earthquakes and tsunamis happening?

Earthquakes and tsunamis occur due to movement of the Earth's tectonic plates. When these plates shift or collide, it can result in seismic activity such as earthquakes. Tsunamis, on the other hand, are often caused by underwater earthquakes or volcanic eruptions that displace a large volume of water.


Why don't earthquakes follow plate boundary lines exactly?

Earthquakes do occur along plate boundaries, but the movement of the plates is not uniform, causing stress to accumulate in areas off the main boundary lines. This stress can result in earthquakes happening slightly away from the boundaries in what are known as intraplate earthquakes. Additionally, faults within the plates can also generate earthquakes.


How many earthquakes occurred because of san Andreas fault?

The San Andreas Fault is responsible for thousands of earthquakes each year, though the vast majority are too small to be felt by people. Major earthquakes along the fault occur less frequently, with significant events happening every few decades.


How have earthquakes helped geologists identify major plates on earth?

Earthquakes help geologists identify major plates on Earth by occurring along plate boundaries. The distribution of earthquakes provides information about the boundaries and movements of tectonic plates. By studying the pattern of earthquakes, geologists can map out the locations of major plates and their interactions.

Related Questions

When an earthquake is happening the ground moves back and forth suddenlythis change in direction is a sign of?

Whay is earthquakes happening? Whay is earthquakes happening?


How many earthquakes have happened sense 1556?

Millions. There are earthquakes happening all the time. Most are too small for anyone to notice but that does not mean that they are not happening.


Where are earthquakes happening?

Earthquakes are happening around the world all the time, although most are so small they are not felt or remarked upon. Larger earthquakes tend to happen more commonly at fault lines.


Why do you get big earthquakes happening in some areas of the world and small earthquakes happening in other parts of the world?

You won't get the answer here. Why don't you just look on the encyclopedia.


Did earthquakes happen when dinosaurs were alive?

Yes, you could watch the earthquakes when were alive happening in the history channel.


How many earthquakes have they been in the last 5 years?

There are Earthquakes happening constantly. Some small enough that we don't feel.


What is happening to the plates along the san Andreas fault?

they are making earthquakes


What is happening at the boundary and how is that linked to earthquakes?

When the tetonic plates push against eachother at the boundries it causes land to shift and that forms earthquakes


How many earthquakes happen in the world per hour?

There is not accurate data that gives precise, but it is estimated that there are hundreds of thousands of earthquakes happening per second. Almost all of this earthquakes are classified as Mini-Earthquakes and are usually unnoticable.


Are earthquakes happening more often?

It depends what area you are in for major earthquakes, but in most places in the world, very weak earthquakes happen nearly everyday. They can only be noticed with special instruments.


Why do earthquakes impact economically strained areas on earth more?

earthquakes are always happening. The devistation is because the structures are not built well, hence the disaster.


How is an earthquake constructive?

Earthquakes can be constructive because of the shifting that they can cause new land to appear. Earthquakes are also constructive in the size of the quake. Smaller earthquakes prevent larger ones from happening by relieving pressure.