Islands can literally pop out of nowhere if an underwater volcano begins to erupt and recently, just off the coast of Japan, that’s exactly what happened. Experts now say the violent eruption has ...

it's possible we'll discover unknown underwater volcanoes. 19:58 There are many things we don't understand, and it's a lot of work, but it's an exciting field. Approximately 60% of the world's ...

But the Japan Coast Guard said it may have cracked the mystery. The JCG announced that it found the most likely culprit as it located an underwater volcanic crater believed to have erupted within ...

To illustrate potential results, consider Japan, where a new island formed following an underwater explosion, suggesting what might lie ahead. Take volcanoes like one in Hawaii, which lay quiet ...

Japan has warned of waves as high as three ... The US warned of strong currents and waves, and coastal flooding. The huge underwater volcanic eruption caused waves of more than a metre to crash ...

The threat of further tsunamis around the Pacific after Saturday's huge underwater volcano eruption near Tonga ... The US and Japan earlier warned people to move away from coastal areas.

According to the Japan Meteorological Agency, volcanic tremors have been detected on Iwoto island every few minutes since around Oct. 21, followed by eruptions off the southern coast. The islet ...