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  • 1
    Electronic Resource
    Electronic Resource
    Continental roots go with the flow (1995)
    [s.l.] : Nature Publishing Group
    Nature 375 (1995), S. 15-15 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ON page 50 of this issue, Vinnik et al.1 add fresh fuel to a heated geological debate. The question is whether the continents have deep, stable roots that have remained practically unchanged since the Precambrian era, or whether plate motion in geologically recent times ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/375015a0
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    Paper (German National Licenses)
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    Pore-fluid migration and the timing of the 2005 M8.7 Nias earthquake (2011)
    Geological Society of America (GSA)
    Details
    Publication Date: 2011-04-01
    Description: Two great earthquakes have occurred recently along the Sunda Trench, the 2004 M9.2 Sumatra-Andaman earthquake and the 2005 M8.7 Nias earthquake. These earthquakes ruptured over 1600 km of adjacent crust within 3 mo of each other. We quantitatively present poroelastic deformation analyses suggesting that postseismic fluid flow and recovery induced by the Sumatra-Andaman earthquake advanced the timing of the Nias earthquake. Simple back-slip simulations indicate that the megapascal (MPa)-scale pore-pressure recovery is equivalent to 7 yr of interseismic Coulomb stress accumulation near the Nias earthquake hypocenter, implying that pore-pressure recovery of the Sumatra-Andaman earthquake advanced the timing of the Nias earthquake by [~]7 yr. That is, in the absence of postseismic pore-pressure recovery, we predict that the Nias earthquake would have occurred in 2011 instead of 2005.
    Print ISSN: 1941-8264
    Electronic ISSN: 1947-4253
    Topics: Geosciences
    Published by Geological Society of America (GSA)
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