Once the tumultuous upheaval of its dispersion was over, the black smoke clung so closely to the ground, even before its precipitation, that fifty feet up in the air, on the roofs and upper stories of high houses and on great trees, there was a chance of escaping its poison altogether, as was proved even that night at Street Cobham and Ditton.
There are no more uses of "upheaval" in the book.
Show samples from other sources
They’d caused such an upheaval in my life …. and I was so glad they did.
Kiera Cass -- The Heir
Stupid, she thought, so stupid of her to think he’d come only for her, that it hadn’t been part of something larger, that he hadn’t wanted more, more destruction, more terror, more upheaval.