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The natural disaster: Earthquake

Earthquake is a natural disaster, always threatening the lives of people. On May 12th, 2008, a terrible earthquake took place in Sichuan. Most houses fell down. Thousands of people were killed or injured and the whole cities were destroyed. This earthquake is like nature reminds...

Earthquake Geology Natural Disasters 1 Page

The Science of Earthquakes

What is an earthquake? An earthquake is what happens when two blocks of the earth suddenly slip past one another. The surface where they slip is called the fault or fault plane. The location below the earth’s surface where the earthquake starts is called the...

Earth Science Earthquake 3 Pages

How Earthquakes Happen?

Parts of an Earthquake? If two pieces of Earth, all of the sudden slip past each other then an Earthquake will follow. Faults, fault lines or fault planes are surfaces that slip past each other. An earthquake starts in the hypocenter, which is located beneath...

Earthquake World Problems 2 Pages

Liquefaction History

The term “Liquefied” was first used by Hazen in soil mechanics field, referring to the 1918 failure of the Calaveras Dam in California. Later, “Liquefaction is a phenomena wherein a mass of soil loses a large percentage of its shear resistance, when subjected to monotonic,...

Earthquake Engineering 2 Pages

How to predict tsunamis

We can’t necessarily stop tsunami but we can put equipment out in the water to detect when they come. After a powerful earthquake strike, the scientists turn their attention to tide gauges and special sensors carried by buoys. That is because a newborn tsunami can...

Earthquake Nature 1 Page

Earthquake facts you may not know

An earthquake is when the ground starts shaking caused by a sudden slip on a fault. Stresses in the earth’s outer layer push the sides of the fault together. Stress builds up and the rocks suddenly slip releasing a lot of energy in waves that...

Earthquake Geology Plate Tectonics 2 Pages

How scientists can predict earthquakes

Scientists could predict whether or not major earthquakes are likely to occur, however, based on the movement of the plates in the Earth and the location of fault zones. They also can make general guesses about when earthquakes might occur in a certain area, by...

Earthquake Scientist 1 Page

Earthquake-Proof Buildings

Earthquake-proof Buildings After the massive earthquake near Japan one wonders if it’s possible to build an earthquake-proof building? The answer is yes and no. There are of course, engineering techniques that can be used to create a very sound structure that will endure a modest...

Construction Earthquake Engineering 1 Page

Samples of earthquake resistant home.

The house supremacy of the department, which can be caused by other types of earthquake earthquakes, and other public houses, targeted for the rural areas, can also be avoided. Under the housing supremacy made by the use of local resources and manpower, the house head...

Earthquake 1 Page

How Do People Study Earthquakes?

The first seismograph was invented in 132 A.D. by the Chinese astronomer and mathematician Chang Heng. He called it an “earthquake weathercock.”Each of the eight dragons had a bronze ball in its mouth. Whenever there was even a slight earth tremor, a mechanism inside the...

Earthquake Research 1 Page