Strange Sounds says big booms historically precede big earthquakes.
of interest . . .
LINK – http://youtu.be/UfRRNEulFpM
LINK – http://youtu.be/95sds435EOQ
LINK – http://youtu.be/cSD8yvq0_rA
LINK – http://youtu.be/73QR2EwW6oE
LINK – http://youtu.be/bk9mFqR1wqY
Reports of unidentified events presented as loud, unusual sounds coming seemingly from the sky, or “everywhere”, have been making their way into YouTube most frequently since the late Spring, early Summer of 2011. This map reports locations of the events, and links to the applicable YouTube report.
On radiation from Japan in the sky affecting airline passengers, including celebrities named in the title – –
LINK – http://youtu.be/i_tRTBkul5I
Summary video on those BOOMS –
LINK – http://youtu.be/hM3szYqngq0
Another Arkansas earthquake – related to their nuke disaster?
2.1 quake Clinton, Arkansas
LA12 Going off . . . now
LINK – http://youtu.be/xEqCRtSZ96k
He mentions Brontide events. Wikpedia says:
Brontide is a type of rumbling noise heard occasionally in some parts of the world, probably caused by seismic activity.
Science article on Brontides (“Brontides: Natural Explosive Noises”, Science, 204:371, 1979) – (subscription)