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Originally posted by Jepic
It seems they might be connected to strong earthquakes according to Wikipedia.
Theories
These events are believed to be caused by changes in the flow patterns of the liquid outer core of the Earth. [2] Another theory is that they are due to torsional oscillations in the solid inner core of the Earth.[1][4] There have been claims that they are connected to strong earthquakes.[5
edit on 29-3-2011 by Jepic because: Content modification
Originally posted by PurpleDog UK
I have just let my dog out before going to bed - time 23.15pm on Tues 29th March in Derbyshire UK and heard a very strange noise........... in the distance, towards the south ......... like a collasping rumbling noise which lasted for approx 7 seconds.......... Initially thought thunder but there is nothing else to suggest that........... I do not know what that just was.. weird ..
Regards
PDUK