Page 31 - POP UP BOOK
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The  biggest  tremors  in  notable  times  have  been  of


                                                               greatness  marginally  more  than  9,  albeit  there  is  no


                                                               restriction to the conceivable extent. The latest substantial


                                                               tremor of extent 9.0 or bigger was a 9.0 greatness quake in


                                                               Japan in 2011 and it was the biggest Japanese tremor since


                                                               records started.





                                                               Force of shaking is measured on the changed Mercalli scale.


                                                               The  shallower  a  seismic  tremor,  the  more  harm  to


                                                               structures it causes, all else being equivalent.
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