A diagram shows Easter Island's tectonic context. The researchers believe the volcanoes that created the island included some ancient material from the mantle plume.

One of the world's most active volcanoes, Kilauea on the Big Island of Hawaii, continued to erupt Thursday, sending up fountains of lava from its crater floor. The U.S. Geological Survey said the ...

An underwater volcano next to the island kingdom of Tonga erupted in early September, causing oozing lava to rise to the surface. The expelled steam and water then formed into a new land mass ...

An island created by the nearby Late'iki Volcano in 1995 lasted for 25 years. According to the space agency, Home Reef is part of the Tonga-Kermadec subduction zone, ...

A new “baby” island has been spotted in the Pacific ocean hours after an underwater volcano erupted. NASA Earth Observatory/Cover Ima “No visible ash in the past 24 hours was reported ...

The Central Tonga Islands welcomed the birth of a new baby -- a baby island, that is.The new baby island emerged in the southwest Pacific Ocean, where underwater volcanoes are plentiful.

Mauna Loa, rising 13,679 feet above sea level, is the much larger neighbor to Kilauea volcano, which erupted in a residential neighborhood and destroyed 700 homes in 2018. Some of its slopes are ...

New island discovered in Pacific Ocean after Tonga underwater volcano eruption. Satellite images have captured a brand new island on Australia’s doorstep which suddenly emerged in the Pacific ...

Geologically speaking, Easter Island, which lies some 2,200 miles off the coast of Chile, is something of a spring chicken. The oldest parts of the island were formed by volcanic eruptions that ...