A 2022 satellite photo shows a large plume of discolored water rising from the undersea Kavachi volcano, during an eruption ...

As one of the world’s most active submarine volcanoes, Axial Seamount has erupted three times in the past 30 years, and scientists predict its next eruption will occur before the end of 2025.

Located on the Juan de Fuca Ridge, some 480 kilometers (300 miles) off the US west coast, Axial is the most active submarine volcano in the northeast Pacific, erupting with sufficient regularity ...

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 ...

James Garvin, chief scientist at NASA's Goddard Space Flight Center, has explained the eruption of the Hunga Tonga-Hunga Ha'apai submarine volcano was “500 times more powerful than the atomic bo ...

Mauritius and its surrounding islands were formed by volcanic activity, resulting in a shallow submarine shelf that plunges ...

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.

(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.

Meanwhile, Chile and Ecuador did issued tsunami warnings. On Saturday, January 15, the submarine volcano Hunga-Tonga-Hunga-Ha'apai, which is located off Tonga, erupted and caused a tsunami warning ...