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Originally posted by thorazineshuffle
It's out there, but I have a theory that the sounds could be underground llava streams or tubes. Especialli in the US where the sound was traveling in a pattern, right through the new Madrid? What do you think?
Originally posted by thorazineshuffle
reply to post by wayno
Just a hypothesis on the basis that there is so much seismic activity lately. I mean, it sounds more plausible than invisible UFO's, doesn't it?