Gravity, earthquakes and things that go bump in the night

April 1, 2011JAPAN – By taking more than 70 million observations during its first 2 years in orbit, a limousine-length satellite has given scientists their most detailed map yet of Earth’s gravitational field. The lumpiness of that geoid—the theoretical surface that a planet-wide ocean would take if there were no tides or currents—betrays the irregularity of the planet’s mass distribution, including concentrations of mass such as mountain ranges and ice sheets. Yellows and reds mark areas of higher-than-normal gravitational strength; blue shades are lower than normal. The unprecedented precision of the new geoid, released today by the European Space Agency at a workshop for scientists in Munich, will lead to better understanding of the speeds and paths of ocean currents, as well as improved estimates of how they disperse pollutants, the researchers say. The geoid will also provide new insights about geological processes occurring deep within Earth, such as the movement of one tectonic plate being shoved beneath another, and when combined with other data will help improve estimates of the thickness and mass of polar ice sheets. –Science Mag
The gravitational stress on the planet can clearly be seen in the video below especially on areas like the Pacific Ring for Fire, Japan, the northern Mid-Atlantic Ridge near Iceland, and the Nazca Plate bordering Chile. Additional geological deformation caused by massive mega-thrust earthquakes will increase the planet’s instability further by acerbating gravitational stress incurred during angular momentum cycles. The buldges on the planet would also be the centers of gravity dominant in the event of catastrophic planetary roll. Also visible is the gravitational anomaly of the blue vortex at the base of India near the Sunda Trench. –The Extinction Protocol
This entry was posted in Earth Changes, Earth Watch, Extinction Protocol Exclusive Editorial, Landslide & geological deformation, Space Watch. Bookmark the permalink.

5 Responses to Gravity, earthquakes and things that go bump in the night

  1. Kia says:

    Good morning, Mr Extinction Protocol,

    Something went bump last night in Blackpool, UK, although I can’t find it on the European-Mediterranean Seismological Centre.

    Warm regards
    Kia

    Like

  2. Laura says:

    Hi guys found this on the bbc website 🙂

    Lancashire Police said calls had been received from several people who said their properties were shaking.

    A BGS spokesman said the 2.2 magnitude tremor was thought to have centred on Poulton-le-Fylde. No damage or injuries have been reported.

    http://www.bbc.co.uk/news/uk-england-12930915

    Like

  3. starrpianos@tesco.net says:

    Great short video of the GLOBE.

    Best Wishes
    Peter UK

    Like

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