Back in the early 1980s there were a couple of then-well-known (and somewhat sensationalist) books published on this subject, basically predicting that a pole shift was imminent and would result in wide-spread cataclysm. One of them was cleverly entitled "Pole Shift," by a guy named John White, whom I met a few years after he wrote the book. Turns out his scientific background was having been a Navy deck officer during Vietnam, and then working as a advertising hack for an electric utility company. He wrote pseudo-scientific and metaphysical books on the side.
Last I knew (which was at least ten years ago), IIRC he had completely backed off from any expectations that pole shift was imminent (or even possible).