Automated Quake Warning System


	Automated Quake Warning System

dme3ha

10-1-2007 11:50 AM

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tags:

japan, earthquake

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/4a5a8086-bf84-4e6a-bae7-d61d330511e4/DDD78745-628E-49C5-B044-C1F61B87EF49/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.pcworld.com/article/id,137878-pg,1/article.html" href="http://www.pcworld.com/article/id,137878-pg,1/article.html" style="font-size: 11px;">www.pcworld.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.pcworld.com/article/id,137878-pg,1/article.html"><P><A href="http://www.pcworld.com/tags/Japan.html">Japan</A> launched on Monday morning an automated system that intends to provide several seconds warning before shaking occurs after a major earthquake.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.pcworld.com/article/id,137878-pg,1/article.html"><P>The system, which has been tested for more than a year, went into operation at 9a.m. local time and is operated by the <A href="http://www.pcworld.com/tags/Japan+Meteorological+Agency.html">Japan Meteorological Agency</A> (JMA). It links together about 1,000 seismographs throughout Japan with a fast network and computing to calculate the location and strength of an earthquake within a few seconds of it occurring.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.pcworld.com/article/id,137878-pg,1/article.html"><P>The seismographs measure the weak but fast moving primary waves from an earthquake. These are followed by secondary waves, which move at about half the speed but which are much more destructive. The system attempts to beat the arrival of the secondary waves and provide a warning that strong shaking is about to occur.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.pcworld.com/article/id,137878-pg,1/article.html"><P>Japan is one of the most seismically active nations on earth with about 100,000 earthquakes occurring in and around the country each year.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/DDD78745-628E-49C5-B044-C1F61B87EF49/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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