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"There are tweets
coming out saying: 'Hey does that mean my neighbors pool is in
my property now?' Clearly not!" said Dan Jaksa, Australian Datum
Manager at Geoscience Australia, a government body.
"What it means is the co-ordinate of that pool relative to the
rest of the world has certainly changed by 1.5 meters," he said.
Australia's continental tectonic plate is moving north at a rate
of seven centimeters per year (almost 3 inches a year), Jaksa
said, and mapping systems haven't kept pace.
Maps, and the navigation systems which rely on them, are based
on Australia's position in 1994.
Earthquakes, which are caused by a build up of tension between
tectonic plates, change the structure of landmasses and the sea
floor and can shift continents in moments.
Jaksa and fellow scientists are now recalibrating Australia's
place on the earth's surface.
Their new calculation, called the Geocentric Datum of Australia,
will be released in 2017 and plots the continent's position down
to the millimeter.
(Reporting by Pauline Askin. Editing by Tom Westbrook and
Michael Perry)
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Date08/01/2016 12:51 AM
Word Count204
Source News FeedsUS Online Report Science News
IDtag:reuters.com,2016:newsml_KCN10C1GL:1
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