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Friday, July 22, 2011

100 Years of Earthquakes

100 Years of Earthquakes<br />Japan's earthquake shook the entire world. We talked about it here. Photographs of the earth and air.<br />Summary of the Geological Society of London of the most powerful earthquake in the last 100 years. In order to understand the power of aftershocks - a little help.<br />What is the magnitude of 1. If it is very rude - imagine that you have jumped to the floor apartments with closet. Your neighbors will feel virtually no vibration. Earthquake at 2 points almost palpable. The increase in magnitude at 1.0 corresponds to an increase in amplitude in 10-fold increase in energy is about 32 times. In Japan it was 9.1. ::::::::::::::<br /><br />1. April 18, 1906, San Francisco ::= At 5:12 am in San Francisco there was a major earthquake, whose magnitude was 7.8 on the Richter scale. Tremors were felt even in the middle of Nevada, located deep in the continent. As a result of the disaster, almost 80% of the buildings in the city of San Francisco was destroyed, their homes were 300 000, 3000 - died." src="http://www.timepass69.com/uploads/photos//2011/July/100_years_of_earthquakes1.jpeg" />
100 Years of Earthquakes
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