What is "overthrust"

Usage examples of "overthrust".

She alone had known how to call forth this mighty work, an overthrust of concrete implacable as rock.

All four squadrons pivoted on their bellies, reverse-firing two engines and overthrusting the opposite pair, and were instantly flashing past the blastboats toward the two escorts.

Everything that was once Southeast Asia had disappeared, subducted miles deep beneath crustal plates overthrusting from the south, and from what could be made of the acoustic patterns being sent back from seismic packs scattered about the surface, it was still sinking.