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large aftershock earthquake in christchurch, nz- more damage than last time
Approximately 400,000 people are in the city centre during the work day. Last time, the city centre was mostly empty, that quake being at night. There is a lot of devastation, including collapsed buildings, in the centre of Christchurch, with some estimates of deaths already at 200, and rising. While New Zealand is in an earthquake zone, this is the worst damage done by an earthquake in New Zealand since the Napier quake of 1931, when 256 people died and the centre of that town was burnt out. Note that, despite this earthquake being a little over a tenth of the strength of the last one in September 2010, it was much nearer to the centre of the city, and much nearer the surface. Hence the actual experience of the disturbance for those caught in it was much more violent.
Christchurch University are tracking aftershocks in the region since the September 2010 earthquake. A fault is deemed to be running west to east (left to right), with the aftershocks tending to move eastwards. So far they have plotted nearly five thousand aftershocks, shown in the map above. For more details go to christchurchquakemap.co.nz. A useful selection of pictures showing some of the chaos in Christchurch.
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on the dire state of so-called peer-reviewed ‘science’ In five short pages.
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archean expansion? - genetic archæology
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atomic weights can be variable - eleven named so far
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commemorating almost 30 years of nasa space shuttle
A long, extraordinary video, compiled from 125 engineering cameras used to monitor the behaviour of NASA Space Shuttles as they take off. The commentary is by two of the engineers/scientists responsible for the safe functioning of the shuttles. The first shuttle, STS-1, flew on 12 April 1981. This was the twentieth aniversary of the first manned space flight, made by Yuri Gagarin in Vostok 1. STS-1 was the first, and only, US manned maiden test flight of a new spacecraft system (there had, however, been atmospheric test flights of the Space Shuttle orbiter - the craft containing the astronauts that flies back to Earth that is carried into space by the rocket). This rocket was the first to use a solid-fuel system and was the first of 27 flights of the orbiter Columbia.
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