2012

The 2012 Kermadec Islands eruption was a major undersea volcanic eruption that was produced by the previously little-known Havre Seamount near the L'Esperance and L'Havre Rocks in the Kermadec Islands of New Zealand.^[2][3] The large volume of low density pumice produced by the eruption accumulated as a large area of floating pumice, a pumice raft, that was variously estimated to be between 7,500 and 10,000 square miles (19,000 and 26,000 km²) in surface area.^[4][5]

• http://en.wikipedia.org/wiki/2012