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Message: <blockquote data-quote="hemalsilva" data-source="post: 7386864" data-attributes="member: 7335"><p style="text-align: center"><strong><span style="font-size: 22px"><span style="color: Green">What is a Seismograph? </span></span></strong></p> <p style="text-align: center"></p> <p style="text-align: center"></p> <p style="text-align: center"><img src="http://www.thetech.org/exhibits_events/online/quakes/seismo/images/seismograph.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p> <p style="text-align: center"></p> <p style="text-align: center"><strong><span style="font-size: 12px">Earthquakes generate seismic waves which can be detected with a sensitive instrument called a seismograph.</span></strong></p> <p style="text-align: center"><strong><span style="font-size: 12px">Advances in seismograph technology have increased our understanding of both earthquakes and the Earth itself.</span></strong></p> <p style="text-align: center"><strong><span style="font-size: 12px"></span></strong></p> <p style="text-align: center"><strong><span style="font-size: 12px">Perhaps the earliest seismograph was invented in China A.D. 136 by a m an named Choko.</span></strong></p> <p style="text-align: center"></p> <p style="text-align: center"><img src="http://www.kaiserfam.com/Photos/Seismograph.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p> <p style="text-align: center"></p> <p style="text-align: center"><strong><span style="color: green"><span style="font-size: 18px"> How a Seismograph Works</span></span></strong></p> <p style="text-align: center"></p> <p style="text-align: center"><span style="font-size: 15px"><strong><span style="color: Blue"><a href="http://www.wwnorton.com/college/geo/egeo/flash/8_3.swf" target="_blank"><u>CLICK HERE</u></a></span> FOR OPEN FLASH FILE</strong></span></p> <p style="text-align: center"></p> <p style="text-align: center"><img src="http://www.decadevolcano.net/volcanodiscovery/photos/indonesia/seismograph_40326.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><a href="http://en.wikipedia.org/wiki/Seismometer" target="_blank">FOR MORE DETAILS</a></p></blockquote><p></p>

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