upthrow

Etymology
From, equivalent to.

Verb

 * 1)  To throw or cast upwards.
 * 2)  To throw up (a mass of material) from below, causing a fault.
 * 3)  To be thrown up from below, causing a fault.
 * 1)  To be thrown up from below, causing a fault.

Noun

 * 1)  A fault in which a mass of material has been thrown up from below.