downthrow

noun

1. Defeat; ruin.

   “These continued, led to the downthrow of the Russian expedition. The French, however, nothing daunted, pushed on, and arrived near Moscow […]”

2. A depression of the strata on one side of a fault; also, the degree of downward displacement in such a fault.

   “The geology at the site is mainly sandstone and shale overlaid with boulder clay, and is extremely confused. The ground is badly faulted, and at Micklam [Point], near Whitehaven, there is a downthrow of 480 ft.”