<< Why many major strike-slip faults known to have had large earthquakes are silent in the interseismic period is a long-standing enigma. One would expect small earthquakes to occur at least at the bottom of the seismogenic zone, where deeper aseismic deformation concentrates loading. [AA] suggest that the absence of such concentrated microseismicity indicates deep rupture past the seismogenic zone in previous large earthquakes >>
Bob Yirka. New theory to explain why some fault segments remain quiet between quakes. June 10, 2016.
http://m.phys.org/news/2016-06-theory-fault-segments-quiet-quakes.html
Junle Jiang , Nadia Lapusta. Deeper penetration of large earthquakes on seismically quiescent faults. Science 10 Jun 2016: Vol. 352, Issue 6291, pp. 1293-1297 DOI:10.1126/science.aaf1496.
http://dx.doi.org/10.1126/science.aaf1496
FonT: quando una decina di giorni fa ho letto questa news, chissa' perche', ho pensato a BRexit ...
BRexit: http://www.bbc.com/news/politics/eu_referendum/results
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