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The earthquake in Chile is 8.8 on the Richter Scale so it is of extreme intensity - ground movement is about 63 times that generated in the Haitian quake (Richter scale 7) while 483 times the energy was generated in the earthquake. The Richter scale is calculated as the logarithm to base 10 of the amplitude [...] I’d got back from Canberra last night about 8-30pm. It had been a long day and I was wearily sitting in my office at home in the north of Melbourne when, at around 9-00pm, I heard what sounded like a motor outside the window – weird enough for me to stop and think ‘What is that?’. [...] |
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