Earth movements

2011-03-13 Thread J. Tallman
Hello All, I just saw on the news that the recent quake in Japan shifted the earth's axis by 4 inches and that the main island of Japan moved nearly 8 feet. Could someone on the list put this into perspective? As an example, I would imagine that the legal descriptions for property lines based

Re: Earth movements

2011-03-13 Thread Tony Finch
On 13 Mar 2011, at 13:44, J. Tallman jtall...@artisanindustrials.com wrote: I just saw on the news that the recent quake in Japan shifted the earth's axis by 4 inches and that the main island of Japan moved nearly 8 feet. Could someone on the list put this into perspective? As an example,

Re: Earth movements

2011-03-13 Thread Aimo Niemi
Hi Hopefully the link below will help you. http://hpiers.obspm.fr/eop-pc/index.php?index=missionlang=en Note that there is also a special note about this Japanese megaquake. Aimo Niemi http://pc-calculator.110mb.com/gnomon/ 2011/3/13 J. Tallman jtall...@artisanindustrials.com Hello All, I

Re: Earth movements

2011-03-13 Thread koolish
The short answer is that any coordinate specification has to be given in reference to a particular datum. Here's the Wikipedia article on datums: http://en.wikipedia.org/wiki/Datum_%28geodesy%29 Bravo, Tony Finch, for sharing this. I had no idea location was so complex! Thank you. Mac