Lawrence Jenkins wrote:

The C4 documantary about Krakatau states that the sound of the
explosion travelled around the earth 7 times. (Is that 3 1/2 times in
each direction BTW?)

No in all directions.

I am no expert, but would a particularly large explosion such as this
cause the Earth to reverberate?

--
Jonathan Stott
Canterbury Weather: http://www.canterburyweather.co.uk/
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