A 2022 satellite photo shows a large plume of discolored water rising from the undersea Kavachi volcano, during an eruption that likely scattered the sharks that normally dwell there.

Charlotte Lytton and Matthew Abbott traveled to Tonga to report this story. All photographs were made in May 2023. Sept. 1 at 6:00 a.m. Warning: This graphic requires ...

Mike Poland, a scientist at the Yellowstone Volcano Observatory, expressed excitement about this event, highlighting Axial Seamount as one of the world's best-monitored submarine volcanoes.

Kilauea began continuously releasing lava from its summit caldera inside Hawaii Volcanoes National Park at 9:26 a.m., the U.S ...

The Kavachi volcano is an active underwater volcano located near the Solomon Islands in the southwestern Pacific. Underwater, or submarine, volcanoes are found on the ocean floor.

It was learned that a crater about 1.6 kilometers in diameter is forming inside a caldera of Sofukaizan, a submarine volcano located south of Torishima. A portion of the volcano had disappeared ...

(CNN)-- A rapid Pacific submarine volcano eruption has exhaled a steam and ash cloud in the air and left a trail of debris on the surface of the water near Sarigan Island in the Northern Mariana ...

Most volcanism on Earth occurs beneath the oceans, but submarine volcanoes are difficult to study. Advances in seafloor monitoring have opened up an unprecedented view of eruptions on the seabed.