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| At 7-7.9 buildings maybe displaced from foundations, cracks may appear in the earth; underground pipes broken while at 8-8.9 bridges maybe destroyed, and few structures may left standing. | |
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| Finally, at 9 and over near total destruction, waves moving through the earth visible with naked eye. | |
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| That's great. Thank you for sharing with me so much information on the Richter Scale. I've learnt alot☺ï¸. | |
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