A flurry of volcanic activity created a new island in Tonga. But the question remains: How long will it last before sinking back into the ocean?

Volcanic activity has increased near Iwo Jima and similar undersea eruptions have occurred in recent years, but the formation of a new island is a significant development, Usui said.

A Volcanic Eruption That Created a New World The island’s formation began with an eruption of volcanic activity in the Red Sea, specifically in the Zubair archipelago, near Yemen.

When a volcano erupts, it can spew ash high into the atmosphere—inserting aerosols right where clouds typically form. How exactly these aerosols impact cloud formation has long been a mystery to ...

Subduction of the Pacific Plate beneath the North American Plate creating the Aleutian trench and volcanic island arc (Credit: Alaska Volcano Observatory). Click image for a larger view.

An undersea volcano's eruption off Japan three weeks ago has provided a rare view of the birth of a tiny new island, but experts say it may not last long.

The eruption of an underwater volcano off the coast of a Japanese island has led to the creation of a new island. Researchers have been watching the underwater volcano for decades. Located in the ...

ATHENS, Greece (AP) — Multiple earthquakes are rattling Santorini, a volcanic island in Greece, prompting authorities to dispatch rescuers with tents, a sniffer dog and drones, and to shut ...

Island arcs form where a plate of the oceanic crust sinks beneath an adjacent plate in a process known as subduction, giving rise to a belt of volcanoes parallel to the trench where the descending ...