“Japan earthquake: Tsunami hits north-east” Source: BBC 2‚ Horizon Special Professor Ian Stewart‚ Geologist Broadcast on 27th March 2011 In this programme‚ Ian Stewart examines the powerful geological forces that caused the devastating Japanese earthquake. 30% of all earthquakes across the world happen in Japan. Earthquakes are caused when the tectonic plates (giant slabs of rock) grind together causing the build up of huge forces. When the pressure gets too much‚ the edges of the plate suddenly
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Period 5 March 19‚ 2013 Essay The history of these earthquakes caused major damage in Earthquakes occur every day on Earth‚ but the vast majority of them are minor and cause no damage. Large earthquakes can cause serious destruction and massive loss of life through a variety of damages can occur including fault rupture‚ intensive shaking‚ tsunami‚ dam failure‚ landslide and fire or hazardous materials could realease. In a particular earthquake‚ any of these disasterious events of damage can occur
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measure of the magnitude of seismic waves from an earthquake. Devised in 1935 by the American seismologist Charles F. Richter (1900–1985) and technically known as the local magnitude scale‚ it has been superseded by the moment magnitude scale‚ which was developed in the 1970s. The Richter scale is logarithmic; that is‚ the amplitude of the waves increases by powers of 10 in relation to the Richter magnitude numbers. The energy released in an earthquake can easily be approximated by an equation that
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September 2nd‚ 1886 August 31‚ 1886‚ was one of the worst days in Charleston‚ that day we had a major earthquake of the likes of which I have never felt. The day started off as a nice calm day. My mom and I were reading a book and then all of a sudden I could hear this rumbling sound that seemed to come from inside earth. It started off as a gentle vibration then after a few minutes the noise and the vibrations became more violent. It was as if the earth had a terrible stomach ache. The shake
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Earthquakes in Japan The Japan is located in an area where several continental and oceanic plates meet and create a major fault line; this is the cause of frequent earthquakes and the presence of many volcanoes and hot springs across Japan. If earthquakes occur below or close to the ocean‚ they may trigger tidal waves known as tsunami. Historic earthquakes Here is a brief history of earthquake in Japan. Many parts of this country have experienced devastating earthquakes and tidal waves in the
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Earthquakes in GCC An Earthquake known also as tremor is resulted from a sudden release of energy ‚which takes place in the earths crust‚ which then creates seismic waves. They are vibrations triggered by movement of rocks that have been strained (deformed) beyond their elastic limit. This activity called seismicity or seismism of an area refers to type ‚ size and frequency over a time period. Earthquakes are measured using many instruments ( up to atleast 20 different types
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Recent Earthquakes: Philippines Kaitlyn Denson 7th period 9/3/12 This report was taken by a seismologist on August 31‚ 2012 19:43:10‚ after an earthquake struck in the Philippines. On this past Friday‚ an earthquake in the Philippines rose panic in the hearts of its people‚ in fear of a large tsunami. The magnitude-7.6
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Chile Earthquake Script Earthquake On February 27th 2010 at 3:34 an earthquake with a magnitude of 8.8 occurred in Chile. The earthquake lasted 90 seconds and affected a total of 6 Chilean regions but the earthquake mainly occurred offshore of Maule region. The earthquake left 93% of Chile’s population with no electricity. This earthquake not only damaged Chile but it has permanently shortened the length of our days by 1.26 microseconds and moved the earth’s axis by 8 centimetres. Tsunami
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Cause and effect of earthquakes The ground trembles‚ shakes and growls. Pictures that were once hanging so beautifully on the wall smash to the ground exploding into glittery slivers of broken glass‚ roadways break apart‚ engulfing whatever was in its path‚ never to be seen again. For many‚ this would seem to be the makings of a fictional horror movie created by Hollywood with intent to frighten a person and to play with ones senses. For those who live in the areas depicted by film‚ this is
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Gujarat earthquake The 2001 Gujarat earthquake occurred on January 26‚ 2001‚ at 03:17 UTC‚ and coincided with the 51st celebration of India’s Republic Day. The location of the epicentre was Bhuj (23.6° N 69.8° E) Gujarat‚ India. With a moment magnitude (Mw) of between 7.6 and 8.1‚ the quake killed more than 20‚000 people and injured another 167‚000 and destroyed near a million homes throughout Gujarat and parts of eastern Pakistan.[3] The earthquake is considered an intraplate earthquake because
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