The deep oceans are far from flat. They feature ridges, trenches, seamounts, and valleys, creating a diverse and dramatic ...

At places where two tectonic plates are pulling away from each other, magma — hot, molten rock — can rise from the mantle to the surface, forming volcanoes. Volcanoes can also form where ...

This volcanic arc delineates the boundary between the Pacific and North American tectonic plates. A subduction zone, composed of the deep Aleutian Trench coupled with a landward line of volcanoes ...

Scientists have worked for years to build systems to monitor volcanoes and earthquakes on the West Coast, but DOGE cuts may ...

Scientists have long been puzzled by volcanoes that erupt far from the edges of tectonic plates—known as intraplate volcanoes ...

The tallest volcano in Europe, Italy's Mount Etna, and the world's most active volcano, Kilauea in Hawaii, erupting again.

An eruption of Indonesia's Lewotobi Laki-laki volcano spewed ash clouds more than 8 kilometres (5 miles) high, authorities ...

Several international flights from Indonesia’s resort island Bali were cancelled after Mount Lewotobi Laki-Laki volcano ...

Indonesia's Mount Lewotobi Laki-Laki erupted raising alert status to the highest level. The eruption lasted 11 minutes ...