1. an upward displacement of rock strata along a fault
Usage: geological

1. to throw or cast upward

Examples

• The earthquake caused a significant upthrow of the rock layers.
• Geologists measured the upthrow along the fault line.
• The upthrow displaced the sedimentary beds by several meters.
• She upthrew the ball high into the air.
• The volcano upthrew massive chunks of rock and ash.
• The explosion upthrew debris in all directions.