In the western Pacific Ocean, a new volcanic island that formed in the shadow of Nishino-shima has merged with it. The island has doubled in size as the eruption continues.
A new island is forming in the Red Sea. Satellite imagery indicates an ongoing eruption in the Zubair Group of the coast of Yemen is largely above water.
On March 18, 2009, the Tonga Islands submarine eruption appeared as a blue-green blur under the water. A pumice raft floated on the nearby ocean surface.