San Andreas Fault Zone The San Andreas Fault Zone is located in San Francisco‚ California and is more than 800 miles long and at least 10 miles deep. The San Andreas Fault is the drifting boundary between the Pacific Plate and the North American Plate. It splits California in two from Cape Mendocino to the Mexican border. San Diego‚ Los Angeles and Big Sur are on the Pacific Plate. San Francisco‚ Sacramento and the Sierra Nevada are on the North American Plate. There was an earthquake along the
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1st lecture FINAL EXAM IS WORTH 40% Professor goes by Abhi (Obi) like star wars One required textbook Earthquakes science and society lecture will be on additional material not in book but will be guided by materials in the book. take notes (HE SAID IT ALOT!) his lecture slides will not be posted. CH.1 for this lecture Why Learn Earthquakes? Plate Tectonics they are not static they always move. they are moving in a limited space it will cause friction when it moves moves
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state what the cause of earthquakes was. In 1960‚ Michell noted that “earthquakes and the waves of energy that they make are caused by shifting masses of rock‚ miles below the surface” in a scientific memoir (USGS‚ 32). In order for you to completely understand the process of an earthquake you must first understand the process of how an earthquake is measured. An earthquake may not be able to be predicted at the moment but the intensity and magnitude of the earthquake can be measured and categorized
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Earthquakes and Logarithms Earthquakes are responsible for a wast majority of natural hazards on our planet. This natural geological phenomena are almost impossible to predict‚ and they occur usually in zones of the planet that are prone to movement in the uppermost crust of the earth. Certain areas are more likely to experience earthquakes‚ and also the aftermath of the earthquakes can be just as destructive or sometimes even more. Different methods of measuring earthquakes have been implemented
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The theory of plate tectonics states that the Earth’s lithosphere is broken up into many different pieces separated by jagged cracks. These are called the tectonic plates. They are in slow‚ constant motion pushed by the convection currents in Earth’s asthenosphere. This theory explains the process of sea floor spreading at mid-ocean ridges‚ and subduction at deep ocean trenches. It was proposed by J. Tuzo Wilson in 1965. He combined the discoveries of Harry Hess and Alfred Wegner to support this
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Assam Earthquake On August 15‚ 1897‚ more than 1538 people died. The cause was one of the biggest blind earthquakes in the world. This earthquake was at least an 8.1! Out of the earth‚ which was open for 5 days‚ came columns of steam and superheated liquid. Full villages fell into large cracks‚ dams broke and fields and towns flooded‚ forcing people into trees‚ where one woman gave birth. Put out your hand. Look at any one of your finger nails and watch it grow. This is what plate tectonics looks
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spreading explain the movement of tectonic plates?! - Sea floor spreading in movement of tectonic plates is called divergent‚ the separation of two plate. This can be proved because magma comes out from the fault of ridge which means plate has open and it’s realising the magma. Other reason‚ if diverging is happening at one point‚ that means converging is happening at other end of plate‚ for example Himalayan mountain range at India and Nepal (converging) and other side of plate that contains India is having
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hazards are: earthquakes‚ tsunamis‚ wildfires‚ floods‚ volcanic eruptions etc. Earthquakes and their Occurence What is an Earthquake? An earthquake is a sudden rapid vibration along the earth’s crust due to individual tremors‚ sometimes causing great destruction to the earth’s lithosphere and its inhabitants. Earthquakes occur both on land and sea.They may occur at areas where plates collide (subduction zones/ convergent plate margins) ; where plates slide past eachother along fault lines (transform
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Underwater earthquake causing Tsunami. * The 2004 Indian Ocean earthquake was an undersea megathrust earthquake that occurred at 00:58:53UTC on Sunday‚ 26 December 2004‚ with an epicentre off the west coast of Sumatra‚ Indonesia. The quake itself is known by the scientific community as the Sumatra–Andaman earthquake. The resulting tsunami was given various names‚ including the 2004 Indian Ocean tsunami‚ South Asian tsunami‚ Indonesian tsunami‚ and the Boxing Day tsunami. * The earthquake was caused
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Earthquake Assignment Week 3 Earthquake Assignment Earthquakes Have you ever got so mad you have to squeeze something to release your pressure? Or maybe you walk around aimlessly taking deep breaths to try and discharge the stress something or someone caused. Our earth‚ too‚ has a way of releasing pressure. Earthquakes are the result of the earth’s crust letting go of its strain and stress. Earthquakes can be defined as a sudden and violent shaking of the ground resulting when the
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