up- + tear
uptear (third-person singular simple present uptears, present participle uptearing, simple past uptore, past participle uptorn)
- (transitive, archaic or poetic) To tear up (wrench from the ground).
1918, Edgar Rice Burrows, The Land that Time Forgot, HTML edition, The Gutenberg Project, published 2008:
I stood rigid, spellbound, watching the white wake of the torpedo. It struck us on the starboard side almost amidships. The vessel rocked as though the sea beneath it had been uptorn by a mighty volcano.