In early May, NASA satellites imaged an underwater volcanic eruption in the Bismarck Sea off the coast of Papua New Guinea. But when volcanologists looked to study the event, they reached a ...

Deep beneath Japan’s Kikai caldera, a massive magma reservoir is refilling 7,300 years after one of the most powerful ...

It blasted a plume more than 50km into the atmosphere, sent pressure waves around the globe and generated a series of tsunamis, devastating parts of Tonga and killing at least three people. But one of ...

Since early May, an undersea volcano has been erupting in the Bismarck Sea, along a feature that scientists call the Titan Ridge. It’s in the southwestern Pacific Ocean, just off the north coast of ...

An underwater volcanic eruption has been discovered north of Papua New Guinea, unfolding in one of the least-mapped corners of the world’s oceans. Satellites have picked up steam plumes, ash, thermal ...