Earthquake Ppt Presentation
Show related SlideShares at end. SlideShare Explore Search You. As the plates move they put forces on themselves and each other. There is no connection between earthquakes and weather.
Death toll about one lakh in Pakistan and nearly in India. When this happens, it commonly results in earthquakes. The epicenter is that point on the surface vertically above the focus.
Body waves travels through the interior body of earth as they leave the focus. Visibility Others can see my Clipboard. Fault plane are the crackes or sudden slips of the land. Peridotite is also found as inclusions in kimberlite pipes that came from depths of to km.
They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. Sometimes the plates crash together, pull apart or sideswipe each other. Peridotite makes up the lower parts of ophiolite sequences that represent oceanic crust and upper mantle. Body waves travel through Earth Surface waves travel along or just below the surface.
Keep away from weak portion of the building and false ceiling. At convergent boundaries, focal depth increases along a dipping seismic zone called a Benioff zone. Intensity subjective measure of the kind of damage done and peoples reactions to it isoseismal lines identify areas of equal intensity. It is included in the moderate seismic zone. To what other hazards are earthquakes linked?
Stay indoors until the shaking stops. Each whole-number increase in magnitude is a fold increase in wave amplitude This corresponds to an approximately fold increase in energy released.
You just clipped your first slide! View by Category Toggle navigation. When the break occurs, the stress is released as energy, which moves through the Earth in the form of waves, which we feel and call an earthquake.
This is an image of a seismograph, an instrument used to record the energy released by an earthquake. The national and state governments quickly provided assistance in many forms including cash, medical supplies, communications teams, shelters, food, clothing, transport and relief workers. Earthquakes happen in both the day and the night.
Intensity and magnitude are the two common measures of an earthquakes strength. Earthquakes usually happen in the morning. Frequently asked questions on non-conventional energy.
Earthquakes - PowerPoint PPT Presentation
In what ways has human activity made earthquake hazards catastrophic? Quake caused damage to some buildings. Earthquakes can be felt over large areas although they usually last less than one minute. Geologist study the bending or refraction and reflection of P- and S-waves to help understand Earth's interior.
It is one on which the displacement of the far block is to the left when viewed from either side. Volare - Domenico Modugno Arr.
Earthquakes occur every now and then all round the world, except in some places where earthquakes occur rarely. Earthquake Prediction Programs include laboratory and field studies of rocks before, during, games ipod touch 2nd gen and after earthquakes monitor activity along major faults produce risk assessments. Volcanic eruptions produce earthquakes. You can choose whether to allow people to download your original PowerPoint presentations and photo slideshows for a fee or free or not at all. Most of the presentations and slideshows on PowerShow.
It is one on which the displacement of the far block is to the right when viewed from either side. Turn off the water, gas and electricity. The most recent earthquakes occur in Alaska. They are all artistically enhanced with visually stunning color, shadow and lighting effects.
Do not drink water from open containers without having examined it. This is considered to be the high seismic zone.
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The point within Earth where faulting begins is the focus, or hypocenter The point directly above the focus on the surface is the epicenter. This decreased elasticity allows the asthenosphere to flow plastically. Earthquake vibrations or seismic waves are of two kinds body waves and surface waves.
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Remember, earthquakes happen deep in the earth, far away from the weather! It was discovered when it was noticed that seismic stations received two sets of P- and S-waves. Products Sold on our sister site CrystalGraphics.
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