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How the Japan Earthquake Shortened Days on Earth

Posted By admin On March 14, 2011 @ 10:06 am In Sci Tech | Comments Disabled

SPACE.com [1]
March 14, 2011

The massive earthquake that struck northeast Japan Friday (March 11) has shortened the length Earth’s day by a fraction and shifted how the planet’s mass is distributed.

A new analysis of the 8.9-magnitude earthquake in Japan has found that the intense temblor has accelerated Earth’s spin, shortening the length of the 24-hour day by 1.8 microseconds, according to geophysicist Richard Gross at NASA’s Jet Propulsion Laboratory in Pasadena, Calif.

Gross refined his estimates of the Japan quake’s impact – which previously suggested a 1.6-microsecond shortening of the day – based on new data on how much the fault that triggered the earthquake slipped to redistribute the planet’s mass. A microsecond is a millionth of a second.

“By changing the distribution of the Earth’s mass, the Japanese earthquake should have caused the Earth to rotate a bit faster, shortening the length of the day by about 1.8 microseconds,” Gross told SPACE.com in an e-mail. More refinements are possible as new information on the earthquake comes to light, he added.

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How the Japan Earthquake Shortened Days on Earth 161008pptv3 [3]

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[1] SPACE.com: http://www.space.com/11115-japan-earthquake-shortened-earth-days.html

[2] Stock up with Fresh Food that lasts with eFoodsDirect (AD): http://www.efoodsdirect.com/

[3] Image: http://prisonplanet.tv/

[4] Chilean Quake Likely Shifted Earth’s Axis, NASA Scientist Says: http://www.prisonplanet.com/chilean-quake-likely-shifted-earth%e2%80%99s-axis-nasa-scientist-says.html

[5] Alien life boost after Nasa finds one in two Suns has Earth like planets: http://www.prisonplanet.com/alien-life-boost-after-nasa-finds-one-in-two-suns-has-earth-like-planets.html

[6] Quake moved Japan coast 8 feet; shifted Earth’s axis: http://www.prisonplanet.com/quake-moved-japan-coast-8-feet-shifted-earths-axis.html

[7] New Estimate for Alien Earths: 2 Billion in Our Galaxy Alone: http://www.prisonplanet.com/new-estimate-for-alien-earths-2-billion-in-our-galaxy-alone.html

[8] Atmosphere Above Japan Heated Rapidly Before M9 Earthquake: http://www.prisonplanet.com/atmosphere-above-japan-heated-rapidly-before-m9-earthquake.html

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