A huge undersea volcano not far from the coast has dramatically reduced in size after partly collapsing more than 100 metres toward the ocean floor. National Institute of Water and Atmospheric Research scientists found that a volcanic cone on Rumble III, 200km northeast of Auckland, had crumbled. Read more
The aptly named 'Rumble III' undersea volcano on the Kermadec Ridge, 200 km northeast of Auckland, has dropped in height by 120 metres in the last couple of years, pioneering research by NIWA has shown. Read more