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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…

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Everything about Earthquakes

Parts of an Earthquake?- If two pieces of Earth, all of the sudden slip past each other then an Earthquake will follow. The surfaces that slip past each other are called fault line or fault plane. An earthquake starts in the hypocenter, which is located…

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The New Madrid earthquakes of 1811–12

The New Madrid earthquakes of 1811–12, were three large earthquakes that happened near New Madrid, Missouri, from December 1811 to February 1812. There were thousands of aftershocks, about 1,874 of them were so large that they could be felt as far as Louisville, Kentucky, almost…

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How earthquakes are made

The planet has four major layers: the inner core, outer core, mantle and crust. The crust makes up a thin skin on the exterior of our planet, but this skin is not all in one part, it’s made up of many pieces similar a puzzle…

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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…

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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…

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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…

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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,…

EarthquakeEngineering2 Pages

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…

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Earthquake Preparedness Guide

Why Earthquakes Occur? Earthquakes are usually caused when rock underground suddenly breaks along a fault. When two blocks of rock or two plates are rubbing against each other, they stick a little. They don’t just slide smoothly and since that are not moving smoothly it…

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