35.745 S, 178.478 E
summit elevation -140 m
Rumble III Volcano is located 300 km off the north coast of New Zealand. It is situated on the New Zealand - Kermadec arc.
Rumble III volcano erupted sometime between surveys in 2007 and 2009. The summit had reduced from -200 m to -300 m. In 2007 there was an 800 m wide crater at the summit. It has subsequently been filled by products from the eruption.
The sea floor was covered with volcanic boulders, and the summit covered with ash.
Large eruption sometime between 2007 and 2009.