Subject: Natural disasters - shifting borders?<br/>
Date: Mar 06, 2003 @ 08:22<br/>
Author: Victor Cantore (Victor Cantore &lt;drpotatoes@...&gt;)<br/>
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<div id="ygrps-yiv-1026145580">ok this is a stretch....<br/>
<br/>
i heard on the news on sunday that there was a small<br/>
earthquake on usmx and it got me to thinking.<br/>
<br/>
has a border ever shifted due to a natural disaster,<br/>
earthquake or otherwise? what would happen in that<br/>
case? do treaties address plate tectonics, etc. at<br/>
all?<br/>
<br/>
here&#39;s a link to a map of southern california with the<br/>
fault lines. the pink line near el centro is the fault<br/>
that was the one in the news that got me to thinking. <br/>
<br/>
<a rel="nofollow" target="_blank" href="http://www.scecdc.scec.org/sofault.html#MAP">http://www.scecdc.scec.org/sofault.html#MAP</a><br/>
<br/>
here&#39;s a link with a little info on that fault<br/>
<a rel="nofollow" target="_blank" href="http://www.scecdc.scec.org/imperial.html">http://www.scecdc.scec.org/imperial.html</a><br/>
<br/>
i&#39;m no geologist but i interpret &#39;slip rate&#39; to mean<br/>
that something is moving, and it states here at a rate<br/>
of 15-20mm a year.<br/>
<br/>
here&#39;s a photo of the damage that was done by that<br/>
fault line in a 1979 earthquake. i know that this<br/>
canal does actually enter mexico but it is unlikely<br/>
that this photo was taken on the border. <br/>
<br/>
<a rel="nofollow" target="_blank" href="http://www.scecdc.scec.org/imperi79.html">http://www.scecdc.scec.org/imperi79.html</a><br/>
<br/>
the 1940 quake states<br/>
<a rel="nofollow" target="_blank" href="http://www.scecdc.scec.org/imperi40.html">http://www.scecdc.scec.org/imperi40.html</a><br/>
<br/>
&#39;The Imperial fault broke through to the surface along<br/>
at least a 40-km (25-mile) stretch, probably much<br/>
longer (it was not well-mapped in Mexico). The<br/>
northern end of the rupture was north of the town of<br/>
Imperial, and continued along a south-southwest<br/>
trending line into Mexico. Near El Centro,<br/>
displacement was about 75 cm, and increased to 4.5<br/>
meters at the Mexican border. Near Cocopah, Mexico,<br/>
the displacement was just over 2 meters. All these<br/>
measurements represent nearly pure right-lateral slip&#39;<br/>
<br/>
it seems like a mood point and for the most part an<br/>
unlikely occurence and i guess it is unless you live<br/>
on the line and find that your property has moved. and<br/>
what about moving or resurveying the boundary<br/>
monuments?<br/>
<br/>
vc<br/>
<br/>
 <br/>
<br/>
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